设置MLeader的文字的方向

CSharpBoy

Setting the direction of the MLeader text


问题：不管如何创建MLeader实体，文字总是在一边，如果做才能和ACAD生成MLeader实体一样？
解决方法：

Based on the inclination of the leader line, the “SetDogLeg” method can be used to specify the direction in which the MLeader text should appear.

            Dim activeDoc As Document = Application.DocumentManager.MdiActiveDocument
            Dim db As Database = activeDoc.Database
            Dim ed As Editor = activeDoc.Editor

            Dim ppr1 As PromptPointResult = ed.GetPoint(vbLf & "Specify leader  arrowhead location")
            If ppr1.Status <> PromptStatus.OK Then
                Return
            End If
            Dim startPoint As Point3d = ppr1.Value
            Dim ppo As New PromptPointOptions(vbLf & "Specify leader landing location")
            ppo.BasePoint = startPoint
            ppo.UseBasePoint = True
            Dim ppr2 As PromptPointResult = ed.GetPoint(ppo)

            If ppr2.Status <> PromptStatus.OK Then
                Return
            End If
            Dim endPoint As Point3d = ppr2.Value
            Dim blockText As String = "Autodesk"

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