[教学]：不打开DWG文件的情况下，获得DWG文件的版本号

XDSoft

2. 
   
3. Get A Drawing File Version Without Opening It  
   
4. 
   
5. 
   
6. Question
   
7. I need to detect a drawing file version without loading it in the AutoCAD editor,
   
8. how do I do it?
   
9. Answer
   
10. To acquire an Acad drawing file version, you can open a drawing file for reading
    
11. using AcDbDatabase::readDwgFile() and check the file version using the
    
12. AcDbDatabase::originalFileVersion() method. The following code snippet handles
    
13. the version number starting from AutoCAD 2.5. Note that originalFileVersion()
    
14. works down to AutoCAD 1.2 and MFC stock file dialog is used to provide a simple UI.
    
15. 
    
16. void GetDwgVersion()
    
17. {
    
18.   CFileDialog fileDlg(TRUE, _T("dwg"), NULL, OFN_HIDEREADONLY,
    
19.       _T("AutoCAD Drawing files (*.dwg) |*.dwg||"));
    
20. 
    
21.   if (IDOK != fileDlg.DoModal())
    
22.     return;
    
23. 
    
24.   AcDbDatabase *pDb = new AcDbDatabase(Adesk::kFalse, Adesk::kTrue);
    
25.   Acad::ErrorStatus es = pDb->readDwgFile(fileDlg.GetPathName());
    
26.   if (es != Acad::eOk)
    
27.   {
    
28.     delete pDb;
    
29.     acutPrintf("\nCannot read drawing file.\n");
    
30.     return;
    
31.   }
    
32. 
    
33.   // Get the DWG version number.
    
34.   AcDb::AcDbDwgVersion dwgVer = pDb->originalFileVersion();
    
35. 
    
36.   switch (dwgVer)
    
37.   {
    
38.   case AcDb::kDHL_1002:
    
39.     acutPrintf("\nAutoCAD 2.5\n");
    
40.     break;
    
41.   case AcDb::kDHL_1003:
    
42.     acutPrintf("\nAutoCAD 2.6\n");
    
43.     break;
    
44.   case AcDb::kDHL_1004:
    
45.   case AcDb::kDHL_1005:
    
46.     acutPrintf("\nRelease 9\n");
    
47.     break;
    
48.   case AcDb::kDHL_1006:
    
49.   case AcDb::kDHL_1007:
    
50.   case AcDb::kDHL_1008:
    
51.     acutPrintf("\nRelease 10\n");
    
52.     break;
    
53.   case AcDb::kDHL_1009:
    
54.   case AcDb::kDHL_1010:
    
55.   case AcDb::kDHL_1011:
    
56.     acutPrintf("\nR11 and R12\n");
    
57.     break;
    
58.   case AcDb::kDHL_1012:
    
59.     acutPrintf("\nR13\n");
    
60.     break;
    
61.   case AcDb::kDHL_1013:
    
62.     acutPrintf("\nR14 (mid version).\n");
    
63.     break;
    
64.   case AcDb::kDHL_1014:
    
65.     acutPrintf("\nR14 (final version).\n");
    
66.     break;
    
67.   case AcDb::kDHL_1500:
    
68.     acutPrintf("\nR15 development (Tahoe)\n");
    
69.     break;
    
70.   case AcDb::kDHL_1015:
    
71.     acutPrintf("\nR15 final version (AutoCAD 2000 or above).\n");
    
72.     break;
    
73.   default:
    
74.     acutPrintf("\nUnknown version.\n");
    
75.   }
    
76. 
    
77.   delete pDb;
    
78. }
    

<br /> Get A Drawing File Version Without Opening It  <br /> <br /> <br /> Question <br /> I need to detect a drawing file version without loading it in the AutoCAD editor, <br /> how do I do it?<br /> Answer <br /> To acquire an Acad drawing file version, you can open a drawing file for reading <br /> using AcDbDatabase::readDwgFile() and check the file version using the <br /> AcDbDatabase::originalFileVersion() method. The following code snippet handles <br /> the version number starting from AutoCAD 2.5. Note that originalFileVersion() <br /> works down to AutoCAD 1.2 and MFC stock file dialog is used to provide a simple UI.<br /> <br /> void GetDwgVersion()<br /> {<br />   CFileDialog fileDlg(TRUE, _T("dwg"), NULL, OFN_HIDEREADONLY,<br />       _T("AutoCAD Drawing files (*.dwg) |*.dwg||"));<br /> <br />   if (IDOK != fileDlg.DoModal())<br />     return;<br /> <br />   AcDbDatabase *pDb = new AcDbDatabase(Adesk::kFalse, Adesk::kTrue);<br />   Acad::ErrorStatus es = pDb->readDwgFile(fileDlg.GetPathName());<br />   if (es != Acad::eOk)<br />   {<br />     delete pDb;<br />     acutPrintf("\nCannot read drawing file.\n");<br />     return;<br />   }<br /> <br />   // Get the DWG version number.<br />   AcDb::AcDbDwgVersion dwgVer = pDb->originalFileVersion();<br /> <br />   switch (dwgVer)<br />   {<br />   case AcDb::kDHL_1002:<br />     acutPrintf("\nAutoCAD 2.5\n");<br />     break;<br />   case AcDb::kDHL_1003:<br />     acutPrintf("\nAutoCAD 2.6\n");<br />     break;<br />   case AcDb::kDHL_1004:<br />   case AcDb::kDHL_1005:<br />     acutPrintf("\nRelease 9\n");<br />     break;<br />   case AcDb::kDHL_1006:<br />   case AcDb::kDHL_1007:<br />   case AcDb::kDHL_1008:<br />     acutPrintf("\nRelease 10\n");<br />     break;<br />   case AcDb::kDHL_1009:<br />   case AcDb::kDHL_1010:<br />   case AcDb::kDHL_1011:<br />     acutPrintf("\nR11 and R12\n");<br />     break;<br />   case AcDb::kDHL_1012:<br />     acutPrintf("\nR13\n");<br />     break;<br />   case AcDb::kDHL_1013:<br />     acutPrintf("\nR14 (mid version).\n");<br />     break;<br />   case AcDb::kDHL_1014:<br />     acutPrintf("\nR14 (final version).\n");<br />     break;<br />   case AcDb::kDHL_1500:<br />     acutPrintf("\nR15 development (Tahoe)\n");<br />     break;<br />   case AcDb::kDHL_1015:<br />     acutPrintf("\nR15 final version (AutoCAD 2000 or above).\n");<br />     break;<br />   default:<br />     acutPrintf("\nUnknown version.\n");<br />   }<br /> <br />   delete pDb;<br /> }<br />