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InsertLoopAt 方法（ActiveX）

2024-5-18 19:20| 发布者: admin| 查看: 289| 评论: 0|原作者: admin|来自: AutoCAD

在填充的给定索引处插入一个环。

支持的平台：仅限 Windows

签名

VBA：

object.InsertLoopAt Index, LoopType, Loop

对象

类型：舱口

此方法应用到的对象。

指数

访问：仅输入

类型：长

构成填充边界的顶点数组中的索引位置。索引必须是以 0 开头的正整数。

循环类型

访问：仅输入

类型：枚举AcLoopType

acHatchLoopTypeDefault
acHatchLoopTypeExternal
acHatchLoopTypePolyline
acHatchLoopTypeDerived
acHatchLoopTypeTextbox

圈

访问：仅输入

类型：变体（对象或对象数组）

形成闭合边界的对象或对象数组。如果使用对象数组，则它们的终结点必须重合才能正确创建循环。循环或定义循环的数组可以由以下类型的对象组成：圆弧、圆、椭圆、直线、折线、区域、样条

返回值（RetVal）

无返回值。

言论

没有其他评论。

例子

VBA：

Sub Example_InsertLoopAt()
    ' This example creates an associative hatch in model space.
    ' A Loop is then inserted into the hatch.
    Dim hatchObj As AcadHatch
    Dim patternName As String
    Dim PatternType As Long
    Dim bAssociativity As Boolean
    
    ' Define the hatch
    patternName = "ANSI31"
    PatternType = 0
    bAssociativity = True
    
    ' Create the associative Hatch object
    Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)
    
    ' Create the outer loop for the hatch.
    ' An arc and a line are used to create a closed loop.
    Dim outerLoop(0 To 1) As AcadEntity
    Dim center(0 To 2) As Double
    Dim radius As Double
    Dim startAngle As Double
    Dim endAngle As Double
    center(0) = 5: center(1) = 3: center(2) = 0
    radius = 3
    startAngle = 0
    endAngle = 3.141592
    Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)
    Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).startPoint, outerLoop(0).endPoint)
        
    ' Append the outer loop to the hatch object
    hatchObj.AppendOuterLoop (outerLoop)
    
    ' Append the first circle as one inner loop
    Dim innerLoop1(0) As AcadEntity
    center(0) = 5: center(1) = 4.5: center(2) = 0
    radius = 1
    Set innerLoop1(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
    hatchObj.AppendInnerLoop (innerLoop1)
    
    ' Evaluate and display the hatch
    hatchObj.Evaluate
    ThisDrawing.Regen True
    
    MsgBox "Insert another loop.", , "InsertLoopAt Example"
    
    ' Insert the second circle as the other inner loop
    Dim LoopObj(0) As AcadEntity
    radius = 0.5
    Set LoopObj(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
    hatchObj.InsertLoopAt hatchObj.NumberOfLoops, acHatchLoopTypeDefault, LoopObj
    
    ' Evaluate and display the hatch
    hatchObj.Evaluate
    ThisDrawing.Regen True
    
    MsgBox "Loop inserted.", , "InsertLoopAt Example"
                       
End Sub

可视化 LISP：

(vl-load-com)
(defun c:Example_InsertLoopAt()
    ;; This example creates an associative hatch in model space.
    ;; A Loop is then inserted into the hatch.
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; Define the hatch
    (setq patternName "ANSI31"
          patternType 0
          bAssociativity :vlax-true)
    
    ;; Create the associative Hatch object
    (setq modelSpace (vla-get-ModelSpace doc))  
    (setq hatchObj (vla-AddHatch modelSpace patternType patternName bAssociativity acHatchObject))
    
    ;; Create the outer loop for the hatch.
    ;; An arc and a line are used to create a closed loop.
    (setq center (vlax-3d-point 5 3 0)
          radius 3
          startAngle 0
          endAngle 3.141592)

    (setq arc (vla-AddArc modelSpace center radius startAngle endAngle))
    (setq line (vla-AddLine modelSpace (vla-get-StartPoint arc) (vla-get-EndPoint arc)))
  
    (setq outerLoop (vlax-make-safearray vlax-vbObject '(0 . 1)))
    (vlax-safearray-put-element outerLoop 0 arc)
    (vlax-safearray-put-element outerLoop 1 line)
        
    ;; Append the outer loop to the hatch object
    (vla-AppendOuterLoop hatchObj outerLoop)
    
    ;; Append the first circle as one inner loop
    (setq center (vlax-3d-point 5 4.5 0)
          radius 1)
    (setq circle1 (vla-AddCircle modelSpace center radius))

    (setq innerLoop1 (vlax-make-safearray vlax-vbObject '(0 . 0)))
    (vlax-safearray-put-element innerLoop1 0 circle1)

    (vla-AppendInnerLoop hatchObj innerLoop1)
    
    ;; Evaluate and display the hatch
    (vla-Evaluate hatchObj)
    (vla-Regen doc :vlax-true)
    
    (alert "Insert another loop.")
    
    ;; Insert the second circle as the other inner loop
    (setq radius 0.5)
    (setq LoopObj (vlax-make-safearray vlax-vbObject '(0 . 0)))
    (setq circle2 (vla-AddCircle modelSpace center radius))
    (vlax-safearray-put-element LoopObj 0 circle2)
  
    (vla-InsertLoopAt hatchObj (vla-get-NumberOfLoops hatchObj) acHatchLoopTypeDefault LoopObj)
    
    ;; Evaluate and display the hatch
    (vla-Evaluate hatchObj)
    (vla-Regen doc :vlax-true)
    
    (alert "Loop inserted.")
)