| 帮助文件例子
 
 
  (vl-load-com)
(defun c:Example_SetXData()
    ;; This example creates a line and attaches extended data to that line.
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; Create the line
    (setq startPt (vlax-3d-point 1 1 0)
          endPt (vlax-3d-point 5 5 0))
    (setq modelSpace (vla-get-ModelSpace doc))
    (setq lineObj (vla-AddLine modelSpace startPt endPt))
    (vla-ZoomAll acadObj)
    ;; Initialize all the xdata values. Note that first data in the list should be
    ;; application name and first datatype code should be 1001
    (setq DataType (vlax-make-safearray vlax-vbInteger '(0 . 9)))
    (setq Data (vlax-make-safearray vlax-vbVariant '(0 . 9)))
    (vlax-safearray-put-element DataType 0 1001)
    (vlax-safearray-put-element Data 0 "Test_Application")
    (vlax-safearray-put-element DataType 1 1000)
    (vlax-safearray-put-element Data 1 "This is a test for xdata")
    ;; layer
    (vlax-safearray-put-element DataType 2 1003)
    (vlax-safearray-put-element Data 2 "0")
    ;; real
    (vlax-safearray-put-element DataType 3 1040)
    (vlax-safearray-put-element Data 3 1.23479137438413E+40)
    ;; distance
    (vlax-safearray-put-element DataType 4 1041)
    (vlax-safearray-put-element Data 4 1237324938)
  
    ;; 16 bit Integer
    (vlax-safearray-put-element DataType 5 1070)
    (vlax-safearray-put-element Data 5 32767)
    ;; 32 bit Integer
    (vlax-safearray-put-element DataType 6 1071)
    (vlax-safearray-put-element Data 6 32767)
    ;; scaleFactor
    (vlax-safearray-put-element DataType 7 1042)
    (vlax-safearray-put-element Data 7 10)
    ;; 3D point
    (setq reals3 (vlax-3d-point -2.95 100 -20))
    (vlax-safearray-put-element DataType 8 1010)
    (vlax-safearray-put-element Data 8 reals3)
    
    ;; world space position
    (setq worldPos (vlax-3d-point 4 400.99999999 2.798989))
    (vlax-safearray-put-element DataType 9 1011)
    (vlax-safearray-put-element Data 9 worldPos)
    
    ;; Attach the xdata to the line
    (vla-SetXData lineObj DataType Data)
    
    ;; Return the xdata for the line
    (vla-GetXData lineObj "" 'xtypeOut 'xdataOut)
)
 GETXDATA
 
 
  (vl-load-com)
(defun c:Example_GetXData()
    ;; This example creates a line and attaches extended data to that line.
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; Create the line
    (setq startPt (vlax-3d-point 1 1 0)
          endPt (vlax-3d-point 5 5 0))
    (setq modelSpace (vla-get-ModelSpace doc))
    (setq lineObj (vla-AddLine modelSpace startPt endPt))
    (vla-ZoomAll acadObj)
    ;; Initialize all the xdata values. Note that first data in the list should be
    ;; application name and first datatype code should be 1001
    (setq DataType (vlax-make-safearray vlax-vbInteger '(0 . 9)))
    (setq Data (vlax-make-safearray vlax-vbVariant '(0 . 9)))
    (vlax-safearray-put-element DataType 0 1001)
    (vlax-safearray-put-element Data 0 "Test_Application")
    (vlax-safearray-put-element DataType 1 1000)
    (vlax-safearray-put-element Data 1 "This is a test for xdata")
    ;; layer
    (vlax-safearray-put-element DataType 2 1003)
    (vlax-safearray-put-element Data 2 "0")
    ;; real
    (vlax-safearray-put-element DataType 3 1040)
    (vlax-safearray-put-element Data 3 1.23479137438413E+40)
    ;; distance
    (vlax-safearray-put-element DataType 4 1041)
    (vlax-safearray-put-element Data 4 1237324938)
  
    ;; 16 bit Integer
    (vlax-safearray-put-element DataType 5 1070)
    (vlax-safearray-put-element Data 5 32767)
    ;; 32 bit Integer
    (vlax-safearray-put-element DataType 6 1071)
    (vlax-safearray-put-element Data 6 32767)
    ;; scaleFactor
    (vlax-safearray-put-element DataType 7 1042)
    (vlax-safearray-put-element Data 7 10)
    ;; 3D point
    (setq reals3 (vlax-3d-point -2.95 100 -20))
    (vlax-safearray-put-element DataType 8 1010)
    (vlax-safearray-put-element Data 8 reals3)
    
    ;; world space position
    (setq worldPos (vlax-3d-point 4 400.99999999 2.798989))
    (vlax-safearray-put-element DataType 9 1011)
    (vlax-safearray-put-element Data 9 worldPos)
    
    ;; Attach the xdata to the line
    (vla-SetXData lineObj DataType Data)
    
    ;; Return the xdata for the line
    (vla-GetXData lineObj "" 'xtypeOut 'xdataOut)
)
 |