Disable copy-paste in textbox

Paste this code into your keydown event

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Private Sub Txtamount_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Txtamount.KeyDown

'Suppress ctrl-c and ctrl-v

If e.Control AndAlso (e.KeyCode = Keys.V OrElse e.KeyCode = Keys.C) Then e.SuppressKeyPress = True

End Sub

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