>>public class MyComboBox : ComboBox >> protected override void WndProc(ref System.Windows.Forms.Message m) >> { >> if (m.Msg == 0x201 //WM_LBUTTONDOWN || m.Msg == 0x203) //WM_LBUTTONDBLCLK >> { >> return; >> } >> base.WndProc(ref m); >> } >>} >> >>or >> >>Public Class MyComboBox >> Inherits ComboBox >> Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message) >> If m.Msg = &H201 OrElse m.Msg = &H203 Then 'WM_LBUTTONDOWN or WM_LBUTTONDBLCLK >> Return >> End If >> MyBase.WndProc(m) >> >> End Sub 'WndProc >>End Class 'MyComboBox >> >> >>