Am trying to get the content of a textbox whenever enter key is pressed in WPF application.But there is no option for KeyPress.So i used KeyDown event.But each time the control goes to the code behind for every keypress.Is there any efficient alternate for this ?Am trying to get the content of a textbox whene
阅读背景：
按下c#中的按键事件以查找按下的键
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