?

鼠標在一個物體上移動時，能夠計算出光標相對于任何其它對象的相對位置。 Code
?<Grid?x:Name="LayoutRoot"?Background="White">
????????<Grid?HorizontalAlignment="Left"?VerticalAlignment="Top"?Name="grid1"?Background="Red"?Width="100"?Height="100"?MouseEnter="Grid_MouseEnter"
???????????????MouseMove="Grid_MouseMove"
??????????????MouseLeave="Grid_MouseLeave"
??????????????>
????????????
????????</Grid>

????????<Grid?HorizontalAlignment="Left"?VerticalAlignment="Top"?Name="grid2"?Margin="150,0,0,0"?Background="Green"?Width="100"?Height="100"?MouseMove="Grid_MouseMove_1">
??????????????
????????</Grid>

????????<Grid?HorizontalAlignment="Left"?VerticalAlignment="Top"?Name="grid3"?Background="Blue"?Margin="300,0,0,0"?Width="100"?Height="100"?MouseMove="Grid_MouseMove_2">

????????</Grid>
????????<TextBlock?Name="label1"?Margin="20,200,0,0">
????????????
????????????<Run????Foreground="Red"??>
???????????????mouse?離grid1左上角距離:
?????????????????
????????????</Run>
???????????
????????????<LineBreak></LineBreak>
????????????<Run??Foreground="Green">
???????????????mouse?離grid2左上角距離:
????????????</Run>
????????????<LineBreak/>
????????????<Run??Foreground="Blue">
???????????????mouse?離grid3左上角距離:
????????????</Run>
????????????
????????????
????????????
????????</TextBlock>

????</Grid> Code
??public?partial?class?Page?:?UserControl
????{
????????public?Page()
????????{
????????????InitializeComponent();
????????}

????????private?void?Grid_MouseEnter(object?sender,?MouseEventArgs?e)
????????{

????????}

????????private?void?Grid_MouseMove(object?sender,?MouseEventArgs?e)
????????{
??????????this.label1.Text="Mouse?離grid1距離為:"+e.GetPosition(this.grid1)+"\r\n";
??????????this.label1.Text?+=?"Mouse?離grid2距離為:"?+?e.GetPosition(this.grid2)?+?"\r\n";
??????????this.label1.Text?+=?"Mouse?離grid3距離為:"?+?e.GetPosition(this.grid3);?
????????????
????????}

????????private?void?Grid_MouseLeave(object?sender,?MouseEventArgs?e)
????????{

????????}

????????private?void?Grid_MouseMove_1(object?sender,?MouseEventArgs?e)
????????{

????????????//this.label1.d?=?"<Run????Foreground=\"Red\"??>?mouse?離grid1中心距離:</Run>"?+?e.GetPosition(this.grid1)?+?"<LineBreak></LineBreak>";
????????????this.label1.Text?=?"Mouse?離grid1距離為:"?+?e.GetPosition(this.grid1)?+?"\r\n";
????????????this.label1.Text?+=?"Mouse?離grid2距離為:"?+?e.GetPosition(this.grid2)?+?"\r\n";
????????????this.label1.Text?+=?"Mouse?離grid3距離為:"?+?e.GetPosition(this.grid3);?
????????}

????????private?void?Grid_MouseMove_2(object?sender,?MouseEventArgs?e)
????????{
????????????this.label1.Text?=?"Mouse?離grid1距離為:"?+?e.GetPosition(this.grid1)?+?"\r\n";
????????????this.label1.Text?+=?"Mouse?離grid2距離為:"?+?e.GetPosition(this.grid2)?+?"\r\n";
????????????this.label1.Text?+=?"Mouse?離grid3距離為:"?+?e.GetPosition(this.grid3);?
????????}
????}

轉載于:https://www.cnblogs.com/netfuns/archive/2009/09/12/1565195.html

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