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ActiveX 开发指南

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SetRGB 方法 (ActiveX)

2023-1-4 01:35| 发布者: admin| 查看: 502| 评论: 0|来自: AutoCAD

摘要: 指定真彩色的 RGB 值。

指定真彩色的 RGB 值。

支持的平台:仅窗口

签名

工 务 局:

object.SetRGB Red, Green, Blue
对象

类型:AcCm颜色

此方法适用的对象。

访问:仅输入

类型:

颜色的红色值。

绿

访问:仅输入

类型:

颜色的绿色值。

访问:仅输入

类型:

颜色的蓝色值。

返回值(RetVal)

无返回值。

言论

没有额外的评论。

例子

工 务 局:

Sub Example_SetRGB()
    ' This example draws a line and returns the RGB values
    Dim color As AcadAcCmColor
    Set color = AcadApplication.GetInterfaceObject("AutoCAD.AcCmColor." & Left(AcadApplication.Version, 2))
    color.SetRGB 80, 100, 244
    
    Dim line As AcadLine
    Dim startPoint(0 To 2) As Double
    Dim endPoint(0 To 2) As Double
        
    startPoint(0) = 1#: startPoint(1) = 1#: startPoint(2) = 0#
    endPoint(0) = 5#: endPoint(1) = 5#: endPoint(2) = 0#
        
    Set line = ThisDrawing.ModelSpace.AddLine(startPoint, endPoint)
    ZoomAll
    
    line.TrueColor = color
    Dim retcolor As AcadAcCmColor
    Set retcolor = line.TrueColor
    
    MsgBox "Red = " & retcolor.Red & vbLf & _
           "Green = " & retcolor.Green & vbLf & _
           "Blue = " & retcolor.Blue
End Sub

Visual LISP:

(vl-load-com)
(defun c:Example_SetRGB()
    ;; This example draws a line and returns the RGB values
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
  
    (setq color (vlax-create-object (strcat "AutoCAD.AcCmColor." (substr (getvar "ACADVER") 1 2))))
    (vla-SetRGB color 80 100 244)
    
    (setq startPoint (vlax-3d-point 1 1 0)
          endPoint (vlax-3d-point 5 5 0))

    (setq modelSpace (vla-get-ModelSpace doc))
    (setq lineObj (vla-AddLine modelSpace startPoint endPoint))
    (vla-ZoomAll acadObj)
    
    (vla-put-TrueColor lineObj color)
    (setq retcolor (vla-get-TrueColor lineObj))
    
    (alert (strcat "Red = " (itoa (vla-get-Red retcolor))
                   "\nGreen = " (itoa (vla-get-Green retcolor))
                   "\nBlue = " (itoa (vla-get-Blue retcolor))))
)

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