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troubleshooting Question

Issue in FormClosing Event, VB.Net

Avatar of g_johnson
g_johnsonFlag for United States of America asked on
Visual Basic.NET
6 Comments1 Solution2751 ViewsLast Modified:
I have two very simple methods in my VB.Net, VS2012 project:

A button click event:
    Private Sub bExit_Click(sender As Object, e As EventArgs) Handles bExit.Click
        DialogResult = Windows.Forms.DialogResult.OK
    End Sub

A form closing event:
    Private Sub frmEditMKL_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
        If e.CloseReason = 3 Then
            MessageBox.Show(Me, "Please use the 'Exit' button", "Edit MKL", MessageBoxButtons.OK, MessageBoxIcon.Information)
            e.Cancel = True
        End If
    End Sub

If I open the form, and click the Exit Button, e.CloseReason = 0 and the form closes without incident.

If I open the form, and hit the X, e.CloseReason = 3 and the user is told to click the Exit button; the form does not close.

All good so far.

But, if, after I have hit the X, gotten the message, and then click on the Exit button e.CloseReason is still 3 and the form won't close.


Any ideas how I can resolve this or what is going on?
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