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Casting

Posted on 2006-10-27
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Last Modified: 2010-04-23
   Private Sub MainForm_VisibleChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.VisibleChanged
        MessageBox.Show("hi")
   
        'WRONG
        If(sender As AKB.Tool.SafetyIsolationEditor.MainForm).Then
           
        End If


    End Sub


==============


How do I properly cast sender so that it is treated as the Form object?
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Question by:Tom Knowlton
2 Comments
 
LVL 86

Accepted Solution

by:
Mike Tomlinson earned 2000 total points
ID: 17820740
To cast:

    Dim frm As Form = CType(sender, Form)

To check the Type:

    Dim frm As Form = CType(sender, Form)
    If TypeOf frm Is  AKB.Tool.SafetyIsolationEditor.MainForm Then
           
    End If
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LVL 5

Author Comment

by:Tom Knowlton
ID: 17821010
Thank you.

Coming over from C# to VB .NET for a few months (contract work).
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