检测是否修改键是pressed在KeyRoutedEventArgs事件 [英] Detect if Modifier Key is Pressed in KeyRoutedEventArgs Event

问题描述

我有以下的code：

public void tbSpeed_KeyDown(object sender, KeyRoutedEventArgs e)
{
    e.Handled = !((e.Key >= 48 && e.Key <= 57) || (e.Key >= 96 && e.Key <= 105) || (e.Key == 109) || (e.Key == 189));
}

有什么方法来检测是否像移任何修饰键被pressed？

Is there any way to detect if any modifier key like shift is being pressed ?

推荐答案

使用<一个href="http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.core.corewindow.getkeystate">GetKeyState.例如，

var state = CoreWindow.GetForCurrentThread().GetKeyState(VirtualKey.Shift);
return (state & CoreVirtualKeyStates.Down) == CoreVirtualKeyStates.Down;

注意：对于Alt键，你可以使用VirtualKey.Menu

Note: For Alt, you would use VirtualKey.Menu.

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