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ActiveX 开发指南

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显示栅格图像属性 (ActiveX)

2023-1-3 06:13| 发布者: admin| 查看: 201| 评论: 0|来自: AutoCAD

摘要: 在实时平移和缩放期间控制光栅图像的显示。

在实时平移和缩放期间控制光栅图像的显示。

支持的平台:仅窗口

签名

工 务 局:

object.ShowRasterImage
对象

类型:首选项显示

此属性适用的对象。

属性值

只读:

类型:布尔

  • True:在平移和缩放期间显示光栅图像内容。
  • False:在平移和缩放期间显示光栅图像轮廓。

言论

此属性的初始值为。False

如果拖动显示已打开并启用,则当您重新定位原始图像时,图像的副本会随光标移动。ShowRasterImage

注意:此属性的此值存储在 RTDISPLAY 系统变量中。

例子

工 务 局:

Sub Example_ShowRasterImage()
    ' This example returns the current setting of
    ' ShowRasterImage. It then changes the value, and finally
    ' it resets the value back to the original setting.
    
    Dim preferences As AcadPreferences
    Dim currShowRasterImage As Boolean
    
    Set preferences = ThisDrawing.Application.Preferences
    
    ' Retrieve the current ShowRasterImage value
    currShowRasterImage = preferences.DISPLAY.ShowRasterImage
    MsgBox "The current value for ShowRasterImage is " & preferences.DISPLAY.ShowRasterImage, vbInformation, "ShowRasterImage Example"
    
    ' Change the value for ShowRasterImage
    preferences.DISPLAY.ShowRasterImage = Not (currShowRasterImage)
    MsgBox "The new value for ShowRasterImage is " & preferences.DISPLAY.ShowRasterImage, vbInformation, "ShowRasterImage Example"
    
    ' Reset ShowRasterImage to its original value
    preferences.DISPLAY.ShowRasterImage = currShowRasterImage
    MsgBox "The ShowRasterImage value is reset to " & preferences.DISPLAY.ShowRasterImage, vbInformation, "ShowRasterImage Example"
End Sub

Visual LISP:

(vl-load-com)
(defun c:Example_ShowRasterImage()
    ;; This example returns the current setting of
    ;; ShowRasterImage. It then changes the value, and finally
    ;; it resets the value back to the original setting.
    (setq acadObj (vlax-get-acad-object))
    (setq preferences (vla-get-Preferences acadObj))
    
    ;; Retrieve the current ShowRasterImage value
    (setq currShowRasterImage (vla-get-ShowRasterImage (vla-get-Display preferences)))
    (alert (strcat "The current value for ShowRasterImage is " (if (= currShowRasterImage :vlax-true) "True" "False")))
    
    ;; Change the value for ShowRasterImage
    (vla-put-ShowRasterImage (vla-get-Display preferences) (if (= currShowRasterImage :vlax-true) :vlax-false :vlax-true))
    (alert (strcat "The new value for ShowRasterImage is " (if (= (vla-get-ShowRasterImage (vla-get-Display preferences)) :vlax-true) "True" "False")))
    
    ;; Reset ShowRasterImage to its original value
    (vla-put-ShowRasterImage (vla-get-Display preferences) currShowRasterImage)
    (alert (strcat "The ShowRasterImage value is reset to " (if (= (vla-get-ShowRasterImage (vla-get-Display preferences)) :vlax-true) "True" "False")))
)

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