sender, RoutedEventArgs e) { _path = new List<Vector2D>(); LayoutRoot.MouseLeftButtonUp += new MouseButtonEventHandler(LayoutRoot_MouseLeftButtonUp); CompositionTarget.Rendering myTarget.followPath(_path, true); myTarget.update(); } void LayoutRoot_MouseLeftButtonUp
有时候需要实现类似于QQ截图那样的选择区域功能,这里的区域可以是一条线,圆,矩形等等 实现原理就是一个Canvas做蒙板,然后canvas的三个事件,MouseLeftButtonDown,MouseMove,MouseLeftButtonUp Background="Transparent" MouseMove="image_MouseMove" MouseLeftButtonDown="Mask_MouseLeftButtonDown" MouseLeftButtonUp ="Mask_MouseLeftButtonUp"/> 然后实现他的事件,在之前我们先决定一下到底是什么形状的区域。 Canvas.SetTop(insertShape, e.GetPosition(board).Y); } } } private void Mask_MouseLeftButtonUp
+= new MouseButtonEventHandler(_listBox_MouseLeftButtonUp); ScrollViewer _viewer = new ScrollViewer( " MouseLeftButtonUp="tblItemMyFriend_MouseLeftButtonUp" /> <controls:TabItem Header=" 当前在线" x:Name="tblItemOnline" MouseLeftButtonUp="tblItemOnline_MouseLeftButtonUp" /> </controls += new MouseButtonEventHandler(_listBox_MouseLeftButtonUp); ScrollViewer _viewer = new += new MouseButtonEventHandler(_listBox_MouseLeftButtonUp); ScrollViewer _viewer = new
Rectangle />,个人感觉这个纯属MS的多余设计 另外要注意一个问题: <Rectangle x:Name="rect" Stroke="Black" Width="90" Height="90" MouseLeftButtonUp ="Rectangle_MouseLeftButtonUp" StrokeThickness="10" /> 运行时,如果点击矩形中间区域,会发现无法触发Rectangle_MouseLeftButtonUp
var topM = new HeadBtn(); topM.DataContext = m; topM.MouseLeftButtonUp += new MouseButtonEventHandler(topM_MouseLeftButtonUp); TopMenuS.Children.Insert(2,topM </Setter> </Style> 这些样式主要是为了实现如下效果 子菜单数据绑定非常简单 (顶部菜单的单击事件将绑定子菜单) 代码如下: void topM_MouseLeftButtonUp
BorderThickness="0" HorizontalAlignment="Center" VerticalAlignment="Center" MouseEnter="ShowBorder" MouseLeftButtonUp
<ComboBoxItem Content="选择" VerticalContentAlignment="Center" PreviewMouseLeftButtonUp="ComboBoxItem_<em>MouseLeftButtonUp</em> Rectangle rect = rb.Content as Rectangle; lbl.Foreground = rect.Fill; } private void ComboBoxItem_<em>MouseLeftButtonUp</em>
(); //解除事件绑定 _img.MouseMove -= AssociatedObjectMouseMove; _img.MouseLeftButtonUp //注册鼠标事件,以响应拖动 _img.MouseMove += AssociatedObjectMouseMove; _img.MouseLeftButtonUp
第二步:在主窗体image的MouseLeftButtonUp事件中调用调试窗口; StatusViewWindow svWindow = new StatusViewWindow(); svWindow.Show
<Image Source="/Images/build.png" cal:Message.Attach="[Event <em>MouseLeftButtonUp</em>
mousePosition.Y <= 0) { return; } Debug(); } } private void Rectangle_MouseLeftButtonUp
new Image(); image.Source = LoadImageFreeze(ImageFullPath[i]); image.MouseLeftButtonUp
Controls.MouseLeftButtonDown += Control_MouseLeftButtonDown; //鼠标左键按下 Controls.MouseLeftButtonUp += Control_MouseLeftButtonUp; //鼠标左键松开 Controls.MouseMove += Control_MouseMove; //鼠标移动 MouseDownMargin = c.Margin; c.CaptureMouse(); } //鼠标左键松开 private void Control_MouseLeftButtonUp
Controls.MouseLeftButtonDown += Control_MouseLeftButtonDown; //鼠标左键按下 Controls.MouseLeftButtonUp += Control_MouseLeftButtonUp; //鼠标左键松开 Controls.MouseMove += Control_MouseMove; //鼠标移动 MouseDownMargin = c.Margin; c.CaptureMouse(); } //鼠标左键松开 private void Control_MouseLeftButtonUp
children.Add(CreateDrawingVisualText()); _children.Add(CreateDrawingVisualEllipses()); // 注册MouseLeftButtonUp 事件处理 this.MouseLeftButtonUp += new System.Windows.Input.MouseButtonEventHandler(MyVisualHost_MouseLeftButtonUp
当然,自定义控件也支持事件,例如: <custom:BBSComment x:Name="bbs2" Margin="0,10,0,0" MouseLeftButtonUp="bbs2_MouseLeftButtonUp "></custom:BBSComment> private void bbs2_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
如果使用MouseLeftButtonUp事件来检测用户对UI元素的点击,那么在UI元素上的平移操作将会触发原来点击行为的事件。 ? 在Panorama和Pivot控件中,避免使用原始的鼠标事件,如MouseLeftButtonDown、MouseMove和MouseLeftButtonUp!
canvas.MouseLeftButtonDown += m_mousedown; canvas.MouseMove += Mousemove; canvas.MouseLeftButtonUp
<Border.Triggers> 65 <EventTrigger RoutedEvent="<em>MouseLeftButtonUp</em>
Cell是可以移动的,那么MouseLeftButtonDown的处理又得注意了,如果Cell没有被选择,要先选中Cell,如果Cell已经被选中了,不能立即反选,要看用户是否后续有移动的操作,反选必须放到MouseLeftButtonUp