Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim pcapp As PCDLRN.Application
Dim pcpart As PCDLRN.PartProgram
Dim pccmds As PCDLRN.Commands
Dim pccmd As PCDLRN.Command
pcapp = CreateObject("pcdlrn.application")
pcpart = pcapp.ActivePartProgram
pccmds = pcpart.Commands
For ii = 1 To pccmds.Count
pccmd = pccmds.Item(ii)
If pccmd.IsDimension Then
If pccmd.Type = PCDLRN.OBTYPE.DIMENSION_START_LOCATION Then
你的代码...
End If
End If
Next
End Sub