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Selecting  the "front plane" in solidworks api

Question asked by Ananth Balasubramanian on May 25, 2018
Latest reply on May 28, 2018 by Ananth Balasubramanian

Guys I've been trying to select the "front plane" and draw a  sketch on it. When I execute the file,  the code gives me an error saying " object not set to reference".But its already declared as a boolean. Why is it still showing it as " not set to a reference"


Can you please help ?

Thanks a lot




public Class Rectangleform

    Dim swapp As New SldWorks

    Dim swmodel As IModelDoc2



    Dim plane As IModelDocExtension

    Dim sketch As ISketchManager











    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click

        swapp.Visible = True


        swapp.IActiveDoc.Visible = True









    End Sub



    Public Function Selectfrontplane() As Boolean

        Dim Name As String = "Front Plane"

        Dim Type As String = "PLANE"

        Dim X As Double = 0

        Dim Y As Double = 0

        Dim Z As Double = 0

        Dim Append As Boolean = False

        Dim Mark As Integer = 0

        Dim Callout As Callout = Nothing

        Dim SelectOption As Integer = 0

        Dim value As Boolean = True



        value = plane.SelectByID2(Name, Type, X, Y, Z, False, 0, Callout, SelectOption)



        Return value

    End Function



End Class