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WBlock Example

Using Programming Languages other than VBA

Sub Example_WBlock()
    ' This example creates several objects in model space and
    ' adds them to a selection set. This selection set is then
    ' output as a new drawing file.
    
    ' Create a Ray object in model space
    Dim rayObj As AcadRay
    Dim basePoint(0 To 2) As Double
    Dim SecondPoint(0 To 2) As Double
    basePoint(0) = 3#: basePoint(1) = 3#: basePoint(2) = 0#
    SecondPoint(0) = 1#: SecondPoint(1) = 3#: SecondPoint(2) = 0#
    Set rayObj = ThisDrawing.ModelSpace.AddRay(basePoint, SecondPoint)
    
    ' Create a polyline object in model space
    Dim plineObj As AcadLWPolyline
    Dim points(0 To 5) As Double
    points(0) = 3: points(1) = 7
    points(2) = 9: points(3) = 2
    points(4) = 3: points(5) = 5
    Set plineObj = ThisDrawing.ModelSpace.AddLightWeightPolyline(points)
    plineObj.Closed = True

    ' Create a line object in model space
    Dim lineObj As AcadLine
    Dim startPoint(0 To 2) As Double
    Dim endPoint(0 To 2) As Double
    startPoint(0) = 0: startPoint(1) = 0: startPoint(2) = 0
    endPoint(0) = 2: endPoint(1) = 2: endPoint(2) = 0
    Set lineObj = ThisDrawing.ModelSpace.AddLine(startPoint, endPoint)
    
    ' Create a circle object in model space
    Dim circObj As AcadCircle
    Dim centerPt(0 To 2) As Double
    Dim radius As Double
    centerPt(0) = 20: centerPt(1) = 30: centerPt(2) = 0
    radius = 3
    Set circObj = ThisDrawing.ModelSpace.AddCircle(centerPt, radius)

    ' Create an ellipse object in model space
    Dim ellObj As AcadEllipse
    Dim majAxis(0 To 2) As Double
    Dim center(0 To 2) As Double
    Dim radRatio As Double
    center(0) = 5#: center(1) = 5#: center(2) = 0#
    majAxis(0) = 10: majAxis(1) = 20#: majAxis(2) = 0#
    radRatio = 0.3
    Set ellObj = ThisDrawing.ModelSpace.AddEllipse(center, majAxis, radRatio)

    ZoomAll
    
    ' Create a selection set
    Dim ssetObj As AcadSelectionSet
    Set ssetObj = ThisDrawing.SelectionSets.Add("WBLOCKSET")
    
    ' Iterate through the model space collection and add
    ' each item found to an array of objects
    ReDim objsInModelSpace(0 To ThisDrawing.ModelSpace.count - 1) As AcadEntity
    Dim I As Integer
    For I = 0 To ThisDrawing.ModelSpace.count - 1
        Set objsInModelSpace(I) = ThisDrawing.ModelSpace.Item(I)
    Next
    
    ' Add the array of objects into the selection set
    ssetObj.AddItems objsInModelSpace
    
    ' Output the selection set to a new file
    ThisDrawing.Wblock "C:\AutoCAD\WBlock_example.dwg", ssetObj
    
End Sub