用户交互(让用户选择各种....)&&各种选择集合方法使用

csharp · 发表于 2014-7-18 14:59:11

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。

您需要登录才可以下载或查看，没有账号？立即注册

×

// Copyright 2004-2006 by Autodesk, Inc.
//
//Permission to use, copy, modify, and distribute this software in
//object code form for any purpose and without fee is hereby granted,
//provided that the above copyright notice appears in all copies and
//that both that copyright notice and the limited warranty and
//restricted rights notice below appear in all supporting
//documentation.
//
//AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
//AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
//MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. AUTODESK, INC.
//DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
//UNINTERRUPTED OR ERROR FREE.
//
//Use, duplication, or disclosure by the U.S. Government is subject to
//restrictions set forth in FAR 52.227-19 (Commercial Computer
//Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii)
//(Rights in Technical Data and Computer Software), as applicable.
using System;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.Geometry;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.EditorInput;
namespace Prompts
{
public class PromptsTest
{
static PromptAngleOptions useThisAngleOption;
static PromptDoubleResult useThisAngleResult;
static PromptPointOptions useThisPointOption;
static PromptPointResult useThisPointResult;
static PromptEntityOptions useThisEntityOption;
static PromptEntityResult useThisEntityResult;
//A small function that shows how to prompt for an integer
[CommandMethod("GetInteger")]
public void integerTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptIntegerOptions opt0 = new PromptIntegerOptions("Enter your age");
opt0.AllowNegative = false;
opt0.AllowNone = false;
opt0.AllowZero = false;
opt0.DefaultValue = 1;
PromptIntegerResult IntRes = ed.GetInteger(opt0);
if (IntRes.Status == PromptStatus.OK)
{
ed.WriteMessage(string.Format("\nYou entered {0}", IntRes.Value));
}
}
//This method prompts for a double value.
//Pi,Two-pi are valid keywords that can be entered
//by the user at the prompt.
[CommandMethod("GetDouble")]
public void DoubleTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptDoubleOptions opt1 = new PromptDoubleOptions("Enter a number or Pi/Two-pi");
opt1.Keywords.Add("Pi");
opt1.Keywords.Add("Two-pi");
opt1.AllowNone = false;
opt1.AllowZero = false;
opt1.DefaultValue = 1.0;
PromptDoubleResult doubleRes = ed.GetDouble(opt1);
if (doubleRes.Status == PromptStatus.Keyword)
{
switch (doubleRes.StringResult)
{
case "Pi":
ed.WriteMessage("Value is 3.14");
break;
case "Two-pi":
ed.WriteMessage("\nValue is 6.28");
break;
default:
ed.WriteMessage("\nKeyword unknown");
break;
}
}
if (doubleRes.Status != PromptStatus.OK)
{
ed.WriteMessage("\nUser entered: " + doubleRes.Status.ToString());
}
}
//Gets the radius of the circle from the user using GetDistance command
//and draw the circle.
//The user can either specify the number in the command prompt or
//The user can set the distance (in this case radius of circle) also
//by specifying two locations on the graphics screen.
//AutoCAD draws a rubber-band line from the first point to
//the current crosshair position to help the user visualize the distance.
[CommandMethod("GetDistance")]
public void DistanceTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptDistanceOptions opt1 = new PromptDistanceOptions("Enter the radius of the circle");
opt1.AllowNegative = false;
opt1.AllowZero = false;
opt1.AllowNone = false;
opt1.UseDashedLine = true;
PromptDoubleResult res = ed.GetDistance(opt1);
if (res.Status == PromptStatus.OK)
{
Point3d center = new Point3d(9.0, 3.0, 0.0);
Vector3d normal = new Vector3d(0.0, 0.0, 1.0);
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false);
BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
using (Circle pcirc = new Circle(center, normal, res.Value))
{
btr.AppendEntity(pcirc);
tm.AddNewlyCreatedDBObject(pcirc, true);
}
myT.Commit();
}
}
}
//The user is prompted to enter the start angle and end angle at the
//command prompt. Using which an arc is created.
//Not only by entering the values but The user can set the angle also by
//specifying two 2D locations on the graphics screen. AutoCAD draws a
//rubber-band line from the first point to the current crosshair position
//to help the user visualize the angle.
//Also attached to this function is the input context reactor event
//PromptingForAngle and PromptedForAngle. During ed.GetAngle(), these
//events gets fired. The call back function just remembers the prompt option
//that the user has set initially and also the prompt result that the
//user sees after he calls GetAngle() method.
[CommandMethod("GetAngle")]
public void AngleTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptAngleOptions opt1 = new PromptAngleOptions("Enter start angle of the arc");
opt1.AllowNone = false;
opt1.UseDashedLine = true;
//USAGE OF INPUT CONTEXT REACTORS
ed.PromptingForAngle += new PromptAngleOptionsEventHandler(handle_promptangleOptions);
ed.PromptedForAngle += new PromptDoubleResultEventHandler(handle_promptAngleResult);
PromptDoubleResult startAngle = ed.GetAngle(opt1);
ed.PromptingForAngle -= new PromptAngleOptionsEventHandler(handle_promptangleOptions);
ed.PromptedForAngle -= new PromptDoubleResultEventHandler(handle_promptAngleResult);
opt1.Message = "Enter end angle of the arc";
PromptDoubleResult endAngle = ed.GetAngle(opt1);
PromptDoubleOptions opt2 = new PromptDoubleOptions("Enter the radius of the arc(double)");
opt2.Message = "Enter the radius of the arc(double)";
PromptDoubleResult radius = ed.GetDouble(opt2);
if (startAngle.Status == PromptStatus.OK && endAngle.Status == PromptStatus.OK && radius.Status == PromptStatus.OK)
{
Point3d center = new Point3d(30.0, 19.0, 0.0);
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false);
BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
using (Arc arc1 = new Arc(center, radius.Value, startAngle.Value, endAngle.Value))
{
btr.AppendEntity(arc1);
tm.AddNewlyCreatedDBObject(arc1, true);
}
myT.Commit();
}
}
else
{
ed.WriteMessage("Arc cannot be constructed");
}
}
[CommandMethod("useAngle")]
public void UsingAngleOptionsAndResults()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
//Verify GetAngle has been ran once before executing this one
if (useThisAngleOption == null || useThisAngleResult == null)
{
ed.WriteMessage("Please run GetAngle command first");
return;
}
//Using the stored PromptAngleOption.
PromptDoubleResult res1 = ed.GetAngle(useThisAngleOption);
//Using the stored PromptAngleResult.
PromptDoubleResult res2 = useThisAngleResult;
if (res1.Status == PromptStatus.OK && res2.Status == PromptStatus.OK)
{
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false);
BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
Point3d center = new Point3d(30.0, 19.0, 0.0);
using (Arc arc1 = new Arc(center, res1.Value, res2.Value, 5.0))
{
arc1.ColorIndex = 3;
btr.AppendEntity(arc1);
myT.AddNewlyCreatedDBObject(arc1, true);
}
myT.Commit();
}
}
else
{
ed.WriteMessage("Arc cannot be constructed");
}
}
// Drawing a line using the points entered by the user.
// Prompt the user for the start point and end point of the line.
// The AutoCAD user can specify the point by entering a coordinate in
// the current units format; The user can specify the point also by specifying
// a location on the graphics screen.
[CommandMethod("GetPoint")]
public void PointTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptPointOptions ptopts = new PromptPointOptions("Enter start point of the line");
ptopts.BasePoint = new Point3d(1, 1, 1);
ptopts.UseDashedLine = true;
ptopts.Message = "Enter start point of the line";
ed.PromptingForPoint += new PromptPointOptionsEventHandler(handle_promptPointOptions);
ed.PromptedForPoint += new PromptPointResultEventHandler(handle_promptPointResult);
PromptPointResult ptRes = ed.GetPoint(ptopts);
ed.PromptingForPoint -= new PromptPointOptionsEventHandler(handle_promptPointOptions);
ed.PromptedForPoint -= new PromptPointResultEventHandler(handle_promptPointResult);
Point3d start = ptRes.Value;
if (ptRes.Status == PromptStatus.Cancel)
{
ed.WriteMessage("Taking (0,0,0) as the start point");
}
ptopts.Message = "Enter end point of the line: ";
ptRes = ed.GetPoint(ptopts);
Point3d end = ptRes.Value;
if (ptRes.Status == PromptStatus.Cancel)
{
ed.WriteMessage("Taking (0,0,0) as the end point");
}
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false);
BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
using (Line myline = new Line(start, end))
{
btr.AppendEntity(myline);
tm.AddNewlyCreatedDBObject(myline, true);
}
myT.Commit();
}
}
[CommandMethod("usepoint")]
public void UsingPointOptionsAndResults()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
//Verify GetPoint has been ran once before executing this one
if (useThisPointOption == null || useThisPointResult == null)
{
ed.WriteMessage("Please run GetPoint command first");
return;
}
//Using the stored PromptPointOption.
PromptPointResult res1 = ed.GetPoint(useThisPointOption);
//Using the stored PromptPointResult.
PromptPointResult res2 = useThisPointResult;
if (res1.Status != PromptStatus.Cancel && res2.Status != PromptStatus.Cancel)
{
Point3d start = res1.Value;
Point3d end = res2.Value;
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false);
BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false);
using (Line myline = new Line(start, end))
{
myline.ColorIndex = 3;
btr.AppendEntity(myline);
myT.AddNewlyCreatedDBObject(myline, true);
}
myT.Commit();
}
}
}
//Here the user is prompted for a string that could be used as a keyword.
//We then test to see if the user entered string has been taken as a valid
//keyword or not by asking the user to enter that string as a keyword in the
//command prompt. If it is not a valid one then the user is prompted for a
//different value (which is a bug).
[CommandMethod("GetKW")]
public void KWandStringTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptStringOptions stropts = new PromptStringOptions("Enter a string you want to use as keyword");
PromptKeywordOptions kwopts = new PromptKeywordOptions("Enter a string you want to use as keyword");
stropts.AllowSpaces = false;
PromptResult str = ed.GetString(stropts);
kwopts.Keywords.Add(str.StringResult);
kwopts.Keywords.Add("onemore");
kwopts.Message = "Enter the word that u just enterd to test if its a valid keyword or not";
PromptResult kw = ed.GetKeywords(kwopts);
if (kw.Status == PromptStatus.OK)
{
ed.WriteMessage("You entered a valid keyword");
}
else
{
ed.WriteMessage("You didn't enter a valid keyword: " + kw.Status.ToString());
}
}
//Try to draw a few entities in the drawing for the user to select.
//It prompts the user to select some entities and finally types
//the name of the selected entity at the command prompt.
//Also added the two input context reactor events:
//PromptingForEntity and PromptedForEntity
[CommandMethod("Getentity")]
public void EntityTest()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptEntityOptions entopts = new PromptEntityOptions("Pick an entity of your choice from the drawing");
entopts.Message = "Pick an entity of your choice from the drawing";
PromptEntityResult ent = null;
//ADDED INPUT CONTEXT REACTOR
ed.PromptingForEntity += new PromptEntityOptionsEventHandler(handle_promptEntityOptions);
ed.PromptedForEntity += new PromptEntityResultEventHandler(handle_promptEntityResult);
try
{
ent = ed.GetEntity(entopts);
}
catch
{
ed.WriteMessage("You did not select a valid entity");
ed.PromptingForEntity -= new PromptEntityOptionsEventHandler(handle_promptEntityOptions);
ed.PromptedForEntity -= new PromptEntityResultEventHandler(handle_promptEntityResult);
}
ed.PromptingForEntity -= new PromptEntityOptionsEventHandler(handle_promptEntityOptions);
ed.PromptedForEntity -= new PromptEntityResultEventHandler(handle_promptEntityResult);
if (ent.Status != PromptStatus.Error)
{
ObjectId entid = ent.ObjectId;
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
Entity entity = (Entity)tm.GetObject(entid, OpenMode.ForRead, true);
ed.WriteMessage("You selected: " + entity.GetType().FullName);
myT.Commit();
}
}
}
//This method just makes use of the entity option and entity result
//that was stored in a static variable when the PromptingForEntity
//and PromptingForEntity events where fired from EntityTest() function.
[CommandMethod("useentity")]
public void UsingEntityOptionsAndResults()
{
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
//Using the stored PromptEntityOption.
PromptEntityResult res1 = ed.GetEntity(useThisEntityOption);
//Using the stored PromptEntityResult.
PromptEntityResult res2 = useThisEntityResult;
ed.WriteMessage("\nCHANGING THE ALREADY SELECTED ENTITIES COLORS TO GREEN");
if (res2.Status != PromptStatus.Error)
{
ObjectId entid = res2.ObjectId;
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
ObjectId nowSelEntid = res1.ObjectId;
using (Transaction myT = tm.StartTransaction())
{
Entity Oldentity = (Entity)tm.GetObject(entid, OpenMode.ForWrite, true);
Oldentity.ColorIndex = 2;
ed.WriteMessage("\nYou Now selected: " + Oldentity.GetType().FullName);
myT.Commit();
}
}
}
//Try to draw a few nested entities like blocks and xrefs in the drawing for the user to select.
//if the user selects a nested entity then the name of the nested entity is displayed.
//Finally after the user is done selecting the entities, a non interactive selection is made
//at the point 30.4,11.6,0 and the name of the nested entity if any is displayed.
[CommandMethod("GetNestentity")]
public void NestedEntityTest()
{
ObjectIdCollection coll = new ObjectIdCollection();
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
PromptNestedEntityOptions entopts = new PromptNestedEntityOptions("prompt nested entity");
entopts.AllowNone = true;
entopts.Keywords.Add("Done");
PromptNestedEntityResult ent = null;
Database db = Application.DocumentManager.MdiActiveDocument.Database;
Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager;
using (Transaction myT = tm.StartTransaction())
{
while (true)
{
entopts.Message = "\nPick an entity of your choice from the drawing or type Done";
try
{
ent = ed.GetNestedEntity(entopts);
}
catch
{
ed.WriteMessage("\nYou did not select a valid nested entity");
break;
}
if (ent.Status == PromptStatus.Keyword)
{
if (ent.StringResult.Equals("Done"))
break;
}
try
{
if (ent.GetContainers().Length > 0)
{
Entity entity;
foreach (ObjectId oid in ent.GetContainers())
{
entity = (Entity)tm.GetObject(oid, OpenMode.ForRead, true);
ed.WriteMessage("You selected: " + entity.GetType().FullName);
}
break;
}
else
{
ed.WriteMessage("You did not select any nested entity");
}
}
catch
{
ed.WriteMessage("You are Done or did not select any nested entity");
myT.Commit();
return;
}
}
entopts.NonInteractivePickPoint = new Point3d(30.4, 11.6, 0);
entopts.UseNonInteractivePickPoint = true;
try
{
ent = ed.GetNestedEntity(entopts);
if (ent.GetContainers().Length > 0)
{
Entity entity;
foreach (ObjectId oid in ent.GetContainers())
{
entity = (Entity)tm.GetObject(oid, OpenMode.ForRead, true);
ed.WriteMessage(entity.GetType().FullName + " has been selected");
}
}
else
{
ed.WriteMessage("No nested entity was selected");
}
}
catch
{
ed.WriteMessage("\nNo entity was selected");
}
myT.Commit();
}
}
private static void handle_promptEntityOptions(object sender, PromptEntityOptionsEventArgs e)
{
useThisEntityOption = e.Options;
}
private static void handle_promptEntityResult(object sender, PromptEntityResultEventArgs e)
{
useThisEntityResult = e.Result;
}
private static void handle_promptPointOptions(object sender, PromptPointOptionsEventArgs e)
{
useThisPointOption = e.Options;
}
private static void handle_promptPointResult(object sender, PromptPointResultEventArgs e)
{
useThisPointResult = e.Result;
}
private static void handle_promptangleOptions(object sender, PromptAngleOptionsEventArgs e)
{
useThisAngleOption = e.Options;
}
private static void handle_promptAngleResult(object sender, PromptDoubleResultEventArgs e)
{
useThisAngleResult = e.Result;
}
}
}

// Copyright 2004-2006 by Autodesk, Inc. 
// 
//Permission to use, copy, modify, and distribute this software in 
//object code form for any purpose and without fee is hereby granted, 
//provided that the above copyright notice appears in all copies and 
//that both that copyright notice and the limited warranty and 
//restricted rights notice below appear in all supporting 
//documentation. 
// 
//AUTODESK PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS. 
//AUTODESK SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF 
//MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  AUTODESK, INC. 
//DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE 
//UNINTERRUPTED OR ERROR FREE. 
// 
//Use, duplication, or disclosure by the U.S. Government is subject to 
//restrictions set forth in FAR 52.227-19 (Commercial Computer 
//Software - Restricted Rights) and DFAR 252.227-7013(c)(1)(ii) 
//(Rights in Technical Data and Computer Software), as applicable. 
 
using System; 
using Autodesk.AutoCAD.DatabaseServices; 
using Autodesk.AutoCAD.Runtime; 
using Autodesk.AutoCAD.Geometry; 
using Autodesk.AutoCAD.ApplicationServices; 
using Autodesk.AutoCAD.EditorInput; 
 
namespace Prompts 
{ 
    public class PromptsTest 
    { 
        static PromptAngleOptions useThisAngleOption; 
        static PromptDoubleResult useThisAngleResult; 
        static PromptPointOptions useThisPointOption; 
        static PromptPointResult useThisPointResult; 
        static PromptEntityOptions useThisEntityOption; 
        static PromptEntityResult useThisEntityResult; 
 
        //A small function that shows how to prompt for an integer 
        [CommandMethod("GetInteger")] 
        public void integerTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptIntegerOptions opt0 = new PromptIntegerOptions("Enter your age"); 
            opt0.AllowNegative = false; 
            opt0.AllowNone = false; 
            opt0.AllowZero = false; 
            opt0.DefaultValue = 1; 
            PromptIntegerResult IntRes = ed.GetInteger(opt0); 
            if (IntRes.Status == PromptStatus.OK) 
            { 
                ed.WriteMessage(string.Format("\nYou entered {0}", IntRes.Value)); 
            } 
        } 
 
        //This method prompts for a double value. 
        //Pi,Two-pi  are valid keywords that can be entered 
        //by the user at the prompt. 
        [CommandMethod("GetDouble")] 
        public void DoubleTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptDoubleOptions opt1 = new PromptDoubleOptions("Enter a number or Pi/Two-pi"); 
            opt1.Keywords.Add("Pi"); 
            opt1.Keywords.Add("Two-pi"); 
            opt1.AllowNone = false; 
            opt1.AllowZero = false; 
            opt1.DefaultValue = 1.0; 
 
            PromptDoubleResult doubleRes = ed.GetDouble(opt1); 
            if (doubleRes.Status == PromptStatus.Keyword) 
            { 
                switch (doubleRes.StringResult) 
                { 
                    case "Pi": 
                        ed.WriteMessage("Value is 3.14"); 
                        break; 
                    case "Two-pi": 
                        ed.WriteMessage("\nValue is 6.28"); 
                        break; 
                    default: 
                        ed.WriteMessage("\nKeyword unknown"); 
                        break; 
                } 
            } 
            if (doubleRes.Status != PromptStatus.OK) 
            { 
                ed.WriteMessage("\nUser entered: " + doubleRes.Status.ToString()); 
            } 
        } 
 
        //Gets the radius of the circle from the user using GetDistance command 
        //and draw the circle. 
        //The user can either specify the number in the command prompt or 
        //The user can set the distance (in this case radius of circle) also 
        //by specifying two locations on the graphics screen. 
        //AutoCAD draws a rubber-band line from the first point to 
        //the current crosshair position to help the user visualize the distance. 
        [CommandMethod("GetDistance")] 
        public void DistanceTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptDistanceOptions opt1 = new PromptDistanceOptions("Enter the radius of the circle"); 
 
            opt1.AllowNegative = false; 
            opt1.AllowZero = false; 
            opt1.AllowNone = false; 
            opt1.UseDashedLine = true; 
 
            PromptDoubleResult res = ed.GetDistance(opt1); 
 
            if (res.Status == PromptStatus.OK) 
            { 
                Point3d center = new Point3d(9.0, 3.0, 0.0); 
                Vector3d normal = new Vector3d(0.0, 0.0, 1.0); 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false); 
                    BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false); 
                    using (Circle pcirc = new Circle(center, normal, res.Value)) 
                    { 
                        btr.AppendEntity(pcirc); 
                        tm.AddNewlyCreatedDBObject(pcirc, true); 
                    } 
                    myT.Commit(); 
                } 
 
            } 
 
        } 
 
 
 
        //The user is prompted to enter the start angle and end angle at the 
        //command prompt.  Using which an arc is created. 
 
        //Not only by entering the values but The user can set the angle also by 
        //specifying two 2D locations on the graphics screen. AutoCAD draws a 
        //rubber-band line from the first point to the current crosshair position 
        //to help the user visualize the angle. 
 
        //Also attached to this function is the input context reactor event 
        //PromptingForAngle and PromptedForAngle. During ed.GetAngle(), these 
        //events gets fired. The call back function just remembers the prompt option 
        //that the user has set initially and also the prompt result that the 
        //user sees after he calls GetAngle() method. 
 
 
        [CommandMethod("GetAngle")] 
        public void AngleTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptAngleOptions opt1 = new PromptAngleOptions("Enter start angle of the arc"); 
 
            opt1.AllowNone = false; 
            opt1.UseDashedLine = true; 
 
            //USAGE OF INPUT CONTEXT REACTORS 
            ed.PromptingForAngle += new PromptAngleOptionsEventHandler(handle_promptangleOptions); 
            ed.PromptedForAngle += new PromptDoubleResultEventHandler(handle_promptAngleResult); 
 
            PromptDoubleResult startAngle = ed.GetAngle(opt1); 
 
            ed.PromptingForAngle -= new PromptAngleOptionsEventHandler(handle_promptangleOptions); 
            ed.PromptedForAngle -= new PromptDoubleResultEventHandler(handle_promptAngleResult); 
 
 
            opt1.Message = "Enter end angle of the arc"; 
            PromptDoubleResult endAngle = ed.GetAngle(opt1); 
 
            PromptDoubleOptions opt2 = new PromptDoubleOptions("Enter the radius of the arc(double)"); 
            opt2.Message = "Enter the radius of the arc(double)"; 
            PromptDoubleResult radius = ed.GetDouble(opt2); 
 
            if (startAngle.Status == PromptStatus.OK && endAngle.Status == PromptStatus.OK && radius.Status == PromptStatus.OK) 
            { 
                Point3d center = new Point3d(30.0, 19.0, 0.0); 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false); 
                    BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false); 
                    using (Arc arc1 = new Arc(center, radius.Value, startAngle.Value, endAngle.Value)) 
                    { 
                        btr.AppendEntity(arc1); 
                        tm.AddNewlyCreatedDBObject(arc1, true); 
                    } 
                    myT.Commit(); 
                } 
 
            } 
            else 
            { 
                ed.WriteMessage("Arc cannot be constructed"); 
            } 
 
        } 
 
 
 
        [CommandMethod("useAngle")] 
        public void UsingAngleOptionsAndResults() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            //Verify GetAngle has been ran once before executing this one 
            if (useThisAngleOption == null || useThisAngleResult == null) 
            { 
                ed.WriteMessage("Please run GetAngle command first"); 
                return; 
            } 
            //Using the stored PromptAngleOption. 
            PromptDoubleResult res1 = ed.GetAngle(useThisAngleOption); 
            //Using the stored PromptAngleResult. 
            PromptDoubleResult res2 = useThisAngleResult; 
            if (res1.Status == PromptStatus.OK && res2.Status == PromptStatus.OK) 
            { 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false); 
                    BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false); 
                    Point3d center = new Point3d(30.0, 19.0, 0.0); 
                    using (Arc arc1 = new Arc(center, res1.Value, res2.Value, 5.0)) 
                    { 
                        arc1.ColorIndex = 3; 
                        btr.AppendEntity(arc1); 
                        myT.AddNewlyCreatedDBObject(arc1, true); 
                    } 
                    myT.Commit(); 
                } 
 
            } 
            else 
            { 
                ed.WriteMessage("Arc cannot be constructed"); 
            } 
        } 
 
        //        Drawing a line using the points entered by the user. 
        //        Prompt the user for the start point and end point of the line. 
 
        //        The AutoCAD user can specify the point by entering a coordinate in 
        //        the current units format; The user can specify the point also by specifying 
        //        a location on the graphics screen. 
        [CommandMethod("GetPoint")] 
        public void PointTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptPointOptions ptopts = new PromptPointOptions("Enter start point of the line"); 
            ptopts.BasePoint = new Point3d(1, 1, 1); 
            ptopts.UseDashedLine = true; 
            ptopts.Message = "Enter start point of the line"; 
 
            ed.PromptingForPoint += new PromptPointOptionsEventHandler(handle_promptPointOptions); 
            ed.PromptedForPoint += new PromptPointResultEventHandler(handle_promptPointResult); 
            PromptPointResult ptRes = ed.GetPoint(ptopts); 
            ed.PromptingForPoint -= new PromptPointOptionsEventHandler(handle_promptPointOptions); 
            ed.PromptedForPoint -= new PromptPointResultEventHandler(handle_promptPointResult); 
 
 
            Point3d start = ptRes.Value; 
            if (ptRes.Status == PromptStatus.Cancel) 
            { 
                ed.WriteMessage("Taking (0,0,0) as the start point"); 
            } 
 
            ptopts.Message = "Enter end point of the line: "; 
            ptRes = ed.GetPoint(ptopts); 
            Point3d end = ptRes.Value; 
            if (ptRes.Status == PromptStatus.Cancel) 
            { 
                ed.WriteMessage("Taking (0,0,0) as the end point"); 
            } 
 
            Database db = Application.DocumentManager.MdiActiveDocument.Database; 
            Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
 
            using (Transaction myT = tm.StartTransaction()) 
            { 
                BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false); 
                BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false); 
                using (Line myline = new Line(start, end)) 
                { 
                    btr.AppendEntity(myline); 
                    tm.AddNewlyCreatedDBObject(myline, true); 
                } 
                myT.Commit(); 
            } 
 
        } 
 
 
        [CommandMethod("usepoint")] 
        public void UsingPointOptionsAndResults() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            //Verify GetPoint has been ran once before executing this one 
            if (useThisPointOption == null || useThisPointResult == null) 
            { 
                ed.WriteMessage("Please run GetPoint command first"); 
                return; 
            } 
            //Using the stored PromptPointOption. 
            PromptPointResult res1 = ed.GetPoint(useThisPointOption); 
            //Using the stored PromptPointResult. 
            PromptPointResult res2 = useThisPointResult; 
 
            if (res1.Status != PromptStatus.Cancel && res2.Status != PromptStatus.Cancel) 
            { 
                Point3d start = res1.Value; 
                Point3d end = res2.Value; 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    BlockTable bt = (BlockTable)tm.GetObject(db.BlockTableId, OpenMode.ForRead, false); 
                    BlockTableRecord btr = (BlockTableRecord)tm.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite, false); 
                    using (Line myline = new Line(start, end)) 
                    { 
                        myline.ColorIndex = 3; 
                        btr.AppendEntity(myline); 
                        myT.AddNewlyCreatedDBObject(myline, true); 
                    } 
                    myT.Commit(); 
                } 
 
            } 
        } 
 
        //Here the user is prompted for a string that could be used as a keyword. 
        //We then test to see if the user entered string has been taken as a valid 
        //keyword or not by asking the user to enter that string as a keyword in the 
        //command prompt. If it is not a valid one then the user is prompted for a 
        //different value (which is a bug). 
        [CommandMethod("GetKW")] 
        public void KWandStringTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptStringOptions stropts = new PromptStringOptions("Enter a string you want to use as keyword"); 
            PromptKeywordOptions kwopts = new PromptKeywordOptions("Enter a string you want to use as keyword"); 
            stropts.AllowSpaces = false; 
            PromptResult str = ed.GetString(stropts); 
            kwopts.Keywords.Add(str.StringResult); 
            kwopts.Keywords.Add("onemore"); 
            kwopts.Message = "Enter the word that u just enterd to test if its a valid keyword or not"; 
            PromptResult kw = ed.GetKeywords(kwopts); 
            if (kw.Status == PromptStatus.OK) 
            { 
                ed.WriteMessage("You entered a valid keyword"); 
            } 
            else 
            { 
                ed.WriteMessage("You didn't enter a valid keyword: " + kw.Status.ToString()); 
            } 
        } 
 
        //Try to draw a few entities in the drawing for the user to select. 
        //It prompts the user to select some entities and finally types 
        //the name of the selected entity at the command prompt. 
        //Also added the two input context reactor events: 
        //PromptingForEntity and PromptedForEntity 
        [CommandMethod("Getentity")] 
        public void EntityTest() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptEntityOptions entopts = new PromptEntityOptions("Pick an entity of your choice from the drawing"); 
            entopts.Message = "Pick an entity of your choice from the drawing"; 
            PromptEntityResult ent = null; 
            //ADDED INPUT CONTEXT REACTOR    
            ed.PromptingForEntity += new PromptEntityOptionsEventHandler(handle_promptEntityOptions); 
            ed.PromptedForEntity += new PromptEntityResultEventHandler(handle_promptEntityResult); 
 
            try 
            { 
                ent = ed.GetEntity(entopts); 
            } 
            catch 
            { 
                ed.WriteMessage("You did not select a valid entity"); 
                ed.PromptingForEntity -= new PromptEntityOptionsEventHandler(handle_promptEntityOptions); 
                ed.PromptedForEntity -= new PromptEntityResultEventHandler(handle_promptEntityResult); 
 
            } 
            ed.PromptingForEntity -= new PromptEntityOptionsEventHandler(handle_promptEntityOptions); 
            ed.PromptedForEntity -= new PromptEntityResultEventHandler(handle_promptEntityResult); 
 
            if (ent.Status != PromptStatus.Error) 
            { 
                ObjectId entid = ent.ObjectId; 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    Entity entity = (Entity)tm.GetObject(entid, OpenMode.ForRead, true); 
                    ed.WriteMessage("You selected: " + entity.GetType().FullName); 
                    myT.Commit(); 
                } 
            } 
 
        } 
 
 
 
        //This method just makes use of the entity option and entity result 
        //that was stored in a static variable when the PromptingForEntity 
        //and PromptingForEntity events where fired from EntityTest() function. 
        [CommandMethod("useentity")] 
        public void UsingEntityOptionsAndResults() 
        { 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            //Using the stored PromptEntityOption. 
            PromptEntityResult res1 = ed.GetEntity(useThisEntityOption); 
            //Using the stored PromptEntityResult. 
            PromptEntityResult res2 = useThisEntityResult; 
            ed.WriteMessage("\nCHANGING THE ALREADY SELECTED ENTITIES COLORS TO GREEN"); 
            if (res2.Status != PromptStatus.Error) 
            { 
                ObjectId entid = res2.ObjectId; 
                Database db = Application.DocumentManager.MdiActiveDocument.Database; 
                Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
                ObjectId nowSelEntid = res1.ObjectId; 
 
                using (Transaction myT = tm.StartTransaction()) 
                { 
                    Entity Oldentity = (Entity)tm.GetObject(entid, OpenMode.ForWrite, true); 
                    Oldentity.ColorIndex = 2; 
                    ed.WriteMessage("\nYou Now selected: " + Oldentity.GetType().FullName); 
                    myT.Commit(); 
                } 
            } 
 
        } 
 
        //Try to draw a few nested entities like blocks and xrefs in the drawing for the user to select. 
        //if the user selects a nested entity then the name of the nested entity is displayed. 
        //Finally after the user is done selecting the entities, a non interactive selection is made 
        //at the point 30.4,11.6,0 and the name of the nested entity if any is displayed. 
        [CommandMethod("GetNestentity")] 
        public void NestedEntityTest() 
        { 
            ObjectIdCollection coll = new ObjectIdCollection(); 
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor; 
            PromptNestedEntityOptions entopts = new PromptNestedEntityOptions("prompt nested entity"); 
            entopts.AllowNone = true; 
            entopts.Keywords.Add("Done"); 
            PromptNestedEntityResult ent = null; 
            Database db = Application.DocumentManager.MdiActiveDocument.Database; 
            Autodesk.AutoCAD.DatabaseServices.TransactionManager tm = db.TransactionManager; 
 
            using (Transaction myT = tm.StartTransaction()) 
            { 
                while (true) 
                { 
 
                    entopts.Message = "\nPick an entity of your choice from the drawing or type Done"; 
 
                    try 
                    { 
                        ent = ed.GetNestedEntity(entopts); 
                    } 
                    catch 
                    { 
                        ed.WriteMessage("\nYou did not select a valid nested entity"); 
                        break; 
                    } 
                    if (ent.Status == PromptStatus.Keyword) 
                    { 
                        if (ent.StringResult.Equals("Done")) 
                            break; 
                    } 
 
                    try 
                    { 
                        if (ent.GetContainers().Length > 0) 
                        { 
                            Entity entity; 
                            foreach (ObjectId oid in ent.GetContainers()) 
                            { 
                                entity = (Entity)tm.GetObject(oid, OpenMode.ForRead, true); 
                                ed.WriteMessage("You selected: " + entity.GetType().FullName); 
                            } 
                            break; 
                        } 
                        else 
                        { 
                            ed.WriteMessage("You did not select any nested entity"); 
                        } 
                    } 
                    catch 
                    { 
                        ed.WriteMessage("You are Done or did not select any nested entity"); 
                        myT.Commit(); 
                        return; 
                    } 
 
                } 
 
                entopts.NonInteractivePickPoint = new Point3d(30.4, 11.6, 0); 
                entopts.UseNonInteractivePickPoint = true; 
 
                try 
                { 
                    ent = ed.GetNestedEntity(entopts); 
                    if (ent.GetContainers().Length > 0) 
                    { 
                        Entity entity; 
                        foreach (ObjectId oid in ent.GetContainers()) 
                        { 
                            entity = (Entity)tm.GetObject(oid, OpenMode.ForRead, true); 
                            ed.WriteMessage(entity.GetType().FullName + " has been selected"); 
                        } 
                    } 
                    else 
                    { 
                        ed.WriteMessage("No nested entity was selected"); 
                    } 
                } 
                catch 
                { 
                    ed.WriteMessage("\nNo entity was selected"); 
 
                } 
                myT.Commit(); 
            } 
 
        } 
        private static void handle_promptEntityOptions(object sender, PromptEntityOptionsEventArgs e) 
        { 
            useThisEntityOption = e.Options; 
 
        } 
        private static void handle_promptEntityResult(object sender, PromptEntityResultEventArgs e) 
        { 
            useThisEntityResult = e.Result; 
 
        } 
        private static void handle_promptPointOptions(object sender, PromptPointOptionsEventArgs e) 
        { 
            useThisPointOption = e.Options; 
 
        } 
        private static void handle_promptPointResult(object sender, PromptPointResultEventArgs e) 
        { 
            useThisPointResult = e.Result; 
 
        } 
        private static void handle_promptangleOptions(object sender, PromptAngleOptionsEventArgs e) 
        { 
            useThisAngleOption = e.Options; 
 
        } 
        private static void handle_promptAngleResult(object sender, PromptDoubleResultEventArgs e) 
        { 
            useThisAngleResult = e.Result; 
        } 
 
    } 
}

dnbcgrass · 发表于 2014-7-18 21:54:30

谢谢分享，下来学习学习！:lol{:soso_e163:}

账号		自动登录	找回密码
密码			立即注册

[分享] 用户交互(让用户选择各种....)&&各种选择集合方法使用

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。