当我按住左、右、上或下箭头键时,我会以特定的方向移动一个矩形。
当我按住键时,矩形会停止一小段时间。但如果我希望它在没有这种短暂停顿的情况下自由移动怎么办?
MainWindow.xaml
<Window KeyDown="myTestKey">
<Canvas>
<Rectangle Name="Movement" Canvas.Top="50" Canvas.Left="50" Height="100" Width="100" Fill="Aquamarine"/>
</Canvas>
</Window>
MainWindow.xaml.cs
private void myTestKey(object sender, KeyEventArgs e)
{
if (e.Key == Key.Left) Canvas.SetLeft(Movement, Canvas.GetLeft(Movement) - 1);
if (e.Key == Key.Up) Canvas.SetTop(Movement, Canvas.GetTop(Movement) - 1);
if (e.Key == Key.Down) Canvas.SetTop(Movement, Canvas.GetTop(Movement) + 1);
if (e.Key == Key.Right) Canvas.SetLeft(Movement, Canvas.GetLeft(Movement) + 1);
}