UCSIconAtOrigin Property （ActiveX）

签名

工 务 局：

object.UCSIconAtOrigin

对象

类型：光伏端口，视口

此属性适用的对象。

属性值

只读：不

类型：布尔

• True：UCS 图标显示在原点。
• False：UCS 图标不显示在原点。

言论

如果 UCS 图标处于打开状态（请参阅属性）并且未显示在原点，则它将显示在由 UCSORG 系统变量定义的 WCS 坐标处。UCSIconOn

例子

工 务 局：

Sub Example_UCSIconAtOrigin()
    ' This example toggles the setting of UCSIconAtOrigin.

    Dim viewportObj As AcadViewport
    
    ' Set the viewportObj variable to the activeviewport
    Set viewportObj = ThisDrawing.ActiveViewport
    
    ' Make sure the UCS Icon is on, and a new UCS is defined.
    ' The new UCS defines the origin for the icon. When the icon
    ' is not displayed at the origin, it is displayed at the
    ' lower-left corner of the display.
    Dim ucsObj As AcadUCS
    Dim origin(0 To 2) As Double
    Dim xAxisPoint(0 To 2) As Double
    Dim yAxisPoint(0 To 2) As Double
    origin(0) = 2: origin(1) = 2: origin(2) = 0
    xAxisPoint(0) = 3: xAxisPoint(1) = 2: xAxisPoint(2) = 0
    yAxisPoint(0) = 2: yAxisPoint(1) = 3: yAxisPoint(2) = 0
    Set ucsObj = ThisDrawing.UserCoordinateSystems.Add(origin, xAxisPoint, yAxisPoint, "UCS1")
    ThisDrawing.ActiveUCS = ucsObj
    viewportObj.UCSIconOn = True
    
    ' Display the current setting of UCSIconAtOrigin
    MsgBox "UCSIconAtOrigin is: " & IIf(viewportObj.UCSIconAtOrigin, "On", "Off"), , "UCSIconAtOrigin Example"

    ' Toggle the setting of UCSIconAtOrigin
    viewportObj.UCSIconAtOrigin = Not (viewportObj.UCSIconAtOrigin)
    
    ' Reset the active viewport to see the change
    ThisDrawing.ActiveViewport = viewportObj
    
    MsgBox "UCSIconAtOrigin is now: " & IIf(viewportObj.UCSIconAtOrigin, "On", "Off"), , "UCSIconAtOrigin Example"
    
End Sub

Visual LISP：

(vl-load-com)
(defun c:Example_UCSIconAtOrigin()
    ;; This example toggles the setting of UCSIconAtOrigin.
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; Set the viewportObj variable to the activeviewport
    (setq viewportObj (vla-get-ActiveViewport doc))
    
    ;; Make sure the UCS Icon is on, and a new UCS is defined.
    ;; The new UCS defines the origin for the icon. When the icon
    ;; is not displayed at the origin, it is displayed at the
    ;; lower-left corner of the display.
    (setq origin (vlax-3d-point 2 2 0)
          xAxisPoint (vlax-3d-point 3 2 0)
          yAxisPoint (vlax-3d-point 2 3 0))

    (setq ucsObj (vla-Add (vla-get-UserCoordinateSystems doc) origin xAxisPoint yAxisPoint "UCS1"))
    (vla-put-ActiveUCS doc ucsObj)
    (vla-put-UCSIconOn viewportObj :vlax-true)
    
    ;; Display the current setting of UCSIconAtOrigin
    (alert (strcat "UCSIconAtOrigin is: " (if (= (vla-get-UCSIconAtOrigin viewportObj) :vlax-true) "On" "Off")))

    ;; Toggle the setting of UCSIconAtOrigin
    (vla-put-UCSIconAtOrigin viewportObj (if (= (vla-get-UCSIconAtOrigin viewportObj) :vlax-true) :vlax-false :vlax-true))
    
    ;; Reset the active viewport to see the change
    (vla-put-ActiveViewport doc viewportObj)
    
    (alert (strcat "UCSIconAtOrigin is now: " (if (= (vla-get-UCSIconAtOrigin viewportObj) :vlax-true) "On" "Off")))
)