VB.NET: MessageBox with YesNoCancel - No & Cancel triggers same event

Question

I have a message box with YesNoCancel button..

Pressing Yes will do some action and close the app - works fine, Pressing No will do nothing and close the app - (see below), Pressing Cancel will Do nothing and keep the app open - (see below).

I'm using DialogResult.No for No button and DialogResult.Cancel for cancel button. But pressing either of them triggers DialogResult.Cancel event. Whats the problem?

Answer 1

This should work fine:

Dim result = MessageBox.Show("message", "caption", MessageBoxButtons.YesNoCancel)
If result = DialogResult.Cancel Then
    MessageBox.Show("Cancel pressed")
ElseIf result = DialogResult.No Then
    MessageBox.Show("No pressed")
ElseIf result = DialogResult.Yes Then
    MessageBox.Show("Yes pressed")
End If