AssociativeHatch 示例

使用 VBA 以外的其它编程语言

Sub Example_AssociativeHatch()
    ' This example creates a hatch in model space.
    ' It then reports whether the hatch is associative.
    
    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)
    
    ' Evaluate and display the hatch
    hatchObj.Evaluate
    ThisDrawing.Regen True
    
    ' Return whether the hatch is associative.
    Dim hatchAssoc As Boolean
    hatchAssoc = hatchObj.AssociativeHatch
    MsgBox "The HatchStyle is " & IIf(hatchObj.AssociativeHatch, "associative.", "not associative."), , "AssociativeHatch 示例"
    
End Sub