如果把窗体的keyPreview属性设置为true,那么窗体将比其内的控件优先获得键盘事件的激活权。比如Form1和其内的文本框Text1都准备响应keyPress事件,那么以下代码将首先激活窗体的keyPress事件:
PrivateSub _frmSuspiciousAlert_case_KeyPress(sender AsObject, e AsKeyPressEventArgs) HandlesMyBase.KeyPress
MessageBox.Show(" KeyPress Asc(e.KeyChar) = " & Asc(e.KeyChar))
EndSub