how to know wether Close button is clicked (in the titlebar) in vb.net

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.NET3.0

hey every body i still don't understand how to know whether the close button is clicked or not in visual studio 2008 and what is its event name and how do i do it.

please i need ur help
Thanks.

Posted 21-Jan-10 4:27am

redietlove

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Kschuler · Answer 1 · 2010-01-21T05:23:00

The way I track this is I have a boolean variable on my form. I set it to false in the load event. If I have a button or other control on my form that the user can use to close the form, I make sure that it sets the variable to true before it calls the Form.Close. Then I use the FormClosing event to catch things like checking if the user saved before exiting:

VB

Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        If boolCloseByButton Then
           'Closed by a different button           
        Else
           'Closed by the x on the form
        End If
End Sub

Hope this helps

Rick Shaub · Answer 2 · 2010-01-21T06:04:00

You can use the FormClosingEventArgs.CloseReason property to check if the Close button was clicked.

VB

Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing  
    'You could put a Select Case statement here and take action for all
    'different types of closing conditions.      
    If e.CloseReason = System.Windows.Forms.CloseReason.UserClosing Then 
          'Closed by the x on the form or Alt-F4
    Else    
          'Closed for some other reason       
               
    End If

End Sub

how to know wether Close button is clicked (in the titlebar) in vb.net

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