WPF使用多个ContextMenu菜单并绑定指定控件右键事件触发菜单，以及后台获取ContextMenu的子项
前端代码
<Window x:Class="EVES_ManualTest.CurveForm" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:wf="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration" xmlns:local="clr-namespace:EVES_ManualTest" Background="Transparent" mc:Ignorable="d" WindowStyle="None" ResizeMode="CanMinimize" Title="CurveForm" Height="450" Width="800"> <Window.Resources> <!--ContextMenu圆润--> <Style x:Key="RoundContextMenuStyle" TargetType="{x:Type ContextMenu}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ContextMenu}"> <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="4"> <StackPanel IsItemsHost="True" /> </Border> </ControlTemplate> </Setter.Value> </Setter> </Style> <!--#region 右键菜单--> <!--曲线视图右键菜单--> <ContextMenu x:Key="viewMenu" Style="{StaticResource RoundContextMenuStyle}" Opened="viewMenu_Opened"> <MenuItem x:Name="vRoll" Header="坐标轴滚动" /> <MenuItem x:Name="vScale" Header="坐标轴缩放" /> <Separator/> <MenuItem x:Name="vZoomToFit" Header="缩放合适大小" /> <MenuItem x:Name="vAutoTrack" Header="自动追踪当前数据" /> <Separator/> <MenuItem x:Name="vCurveMax" Header="曲线放大" /> <MenuItem x:Name="vCurveMin" Header="曲线缩小" /> <MenuItem x:Name="vCurvePartMax" Header="曲线局部放大" /> <MenuItem x:Name="vReCurve" Header="恢复" /> <Separator/> <MenuItem x:Name="vShowCursor" Header="显示光标" /> <Separator/> <MenuItem x:Name="vCurvePrint" Header="打印曲线" /> <Separator/> <MenuItem x:Name="vCurveAttribute" Header="曲线属性" /> </ContextMenu> <!--X轴右键菜单--> <ContextMenu x:Key="xMenu" Style="{StaticResource RoundContextMenuStyle}"> <MenuItem x:Name="xRoll" Header="坐标轴滚动" /> <MenuItem x:Name="xScale" Header="坐标轴缩放" /> <Separator/> <MenuItem x:Name="xStartPoint" Header="定位起始位置" /> <MenuItem x:Name="xZoomToFit" Header="缩放合适大小" /> <MenuItem x:Name="xAutoTrack" Header="自动追踪当前数据" /> <Separator/> <MenuItem x:Name="xEdit" Header="X轴编辑" /> </ContextMenu> <!--Y轴右键菜单--> <ContextMenu x:Key="yMenu" Style="{StaticResource RoundContextMenuStyle}"> <MenuItem x:Name="yRoll" Header="坐标轴滚动" /> <MenuItem x:Name="yScale" Header="坐标轴缩放" /> <Separator/> <MenuItem x:Name="yAutoTrack" Header="自动追踪当前数据" /> <Separator/> <MenuItem x:Name="yEdit" Header="Y轴编辑" /> </ContextMenu> <!--数据光标右键菜单--> <ContextMenu x:Key="cursorMenu" Style="{StaticResource RoundContextMenuStyle}"> <MenuItem x:Name="cAllChannel" Header="全部通道" /> <Separator/> <MenuItem x:Name="cTimerData" Header="时间和数据" /> <MenuItem x:Name="cTimer" Header="时间" /> <MenuItem x:Name="cData" Header="数据" /> <MenuItem x:Name="cTimerDifference" Header="时间差" /> <MenuItem x:Name="cDataDifference" Header="数据差" /> <Separator/> <MenuItem x:Name="cIntervalStatistics" Header="区间统计" /> <MenuItem x:Name="cTableIntervalStatistics" Header="区间报表" /> </ContextMenu> <!--#endregion--> </Window.Resources> <Grid> <wf:WindowsFormsHost x:Name="CurvePanel" Width="Auto" Height="Auto" Margin="0,-36,0,0" Background="Transparent"> </wf:WindowsFormsHost> </Grid> </Window>
后台通过指定控件事件调用（我这后台创建了一个外部控件，并为控件创建了不同区域的鼠标右键事件）
/// <summary> /// 对象 /// </summary> public AxiPlotLibrary.AxiPlotX CurveView; private void Window_Loaded(object sender, RoutedEventArgs e)//窗口加载事件 { CurveView.OnMouseDownXAxis += CurveView_OnMouseDownXAxis; CurveView.OnMouseDownYAxis += CurveView_OnMouseDownYAxis; CurveView.OnMouseDownDataView += CurveView_OnMouseDownDataView; CurveView.OnMouseDownDataCursor += CurveView_OnMouseDownDataCursor; } #region 右键菜单 private void CurveView_OnMouseDownXAxis(object sender, AxiPlotLibrary.IiPlotXEvents_OnMouseDownXAxisEvent e)//右键X轴菜单 { if (e.button == 2)//如果按钮为右键 { ContextMenu menu = (ContextMenu)FindResource("xMenu"); menu.PlacementTarget = (UIElement)CurvePanel; menu.IsOpen = true; } } private void CurveView_OnMouseDownYAxis(object sender, AxiPlotLibrary.IiPlotXEvents_OnMouseDownYAxisEvent e)//右键Y轴菜单 { if (e.button == 2)//如果按钮为右键 { if (e.button == 2)//如果按钮为右键 { ContextMenu menu = (ContextMenu)FindResource("yMenu"); menu.PlacementTarget = (UIElement)CurvePanel; menu.IsOpen = true; } } } private void CurveView_OnMouseDownDataView(object sender, AxiPlotLibrary.IiPlotXEvents_OnMouseDownDataViewEvent e)//右键数据视图菜单 { if (e.button == 2)//如果按钮为右键，显示数据视图菜单 { ContextMenu menu = (ContextMenu)FindResource("viewMenu"); menu.PlacementTarget = (UIElement)CurvePanel; menu.IsOpen = true; } } private void CurveView_OnMouseDownDataCursor(object sender, AxiPlotLibrary.IiPlotXEvents_OnMouseDownDataCursorEvent e)//右键数据光标菜单 { if (e.button == 2)//如果按钮为右键 { ContextMenu menu = (ContextMenu)FindResource("cursorMenu");//搜索菜单资源对象 menu.PlacementTarget = (UIElement)CurvePanel;//绑定显示区域 menu.IsOpen = true;//进行显示 } } #endregion //以下包含使用ContextMenu子项 #region 右键菜单打开事件 private void viewMenu_Opened(object sender, RoutedEventArgs e)//打开视图菜单时发生 { ContextMenu viewMenu = FindResource("viewMenu") as ContextMenu; MenuItem vRoll = LogicalTreeHelper.FindLogicalNode(viewMenu, "vRoll") as MenuItem;//滚动状态 MenuItem vScale = LogicalTreeHelper.FindLogicalNode(viewMenu, "vScale") as MenuItem;//缩放状态 MenuItem vAutoTrack = LogicalTreeHelper.FindLogicalNode(viewMenu, "vAutoTrack") as MenuItem;//自动跟踪选中状态 MenuItem vCurvePartMax = LogicalTreeHelper.FindLogicalNode(viewMenu, "vCurvePartMax") as MenuItem;//局部放大开启状态 MenuItem vShowCursor = LogicalTreeHelper.FindLogicalNode(viewMenu, "vShowCursor") as MenuItem;//数据光标选中状态 vRoll.IsChecked = RollJudge;//设置滚动选中状态 vScale.IsChecked = ScaleJudge;//设置缩放选中状态 AutoTracking = GetAllAutoTrackingEnable();//获取当前所有自动跟踪开启状态 vAutoTrack.IsChecked = AutoTracking;//设置当前所有自动跟踪选中状态 vCurvePartMax.IsChecked = CurveView.get_ToolBar(0).ZoomBoxActive;//获取局部放大开启状态，开启为true，关闭为false vShowCursor.IsChecked = CurveView.get_DataCursor(0).Visible;//设置数据光标选中状态 } private void xMenu_Opened(object sender, RoutedEventArgs e)//打开X轴菜单时发生 { ContextMenu xMenu = FindResource("xMenu") as ContextMenu; MenuItem xRoll = LogicalTreeHelper.FindLogicalNode(xMenu, "xRoll") as MenuItem;//滚动状态 MenuItem xScale = LogicalTreeHelper.FindLogicalNode(xMenu, "xScale") as MenuItem;//缩放状态 MenuItem xAutoTrack = LogicalTreeHelper.FindLogicalNode(xMenu, "xAutoTrack") as MenuItem;//自动跟踪选中状态 xRoll.IsChecked = RollJudge;//设置滚动选中状态 xScale.IsChecked = ScaleJudge;//设置缩放选中状态 AutoTracking = CurveView.get_XAxis(0).TrackingEnabled;//获取当前选中X轴自动跟踪开启状态 xAutoTrack.IsChecked = AutoTracking;//设置当前选中X轴自动跟踪选中状态 } private void yMenu_Opened(object sender, RoutedEventArgs e)//打开Y轴菜单时发生 { ContextMenu yMenu = FindResource("yMenu") as ContextMenu; MenuItem yRoll = LogicalTreeHelper.FindLogicalNode(yMenu, "yRoll") as MenuItem;//滚动状态 MenuItem yScale = LogicalTreeHelper.FindLogicalNode(yMenu, "yScale") as MenuItem;//缩放状态 MenuItem yAutoTrack = LogicalTreeHelper.FindLogicalNode(yMenu, "yAutoTrack") as MenuItem;//自动跟踪选中状态 yRoll.IsChecked = RollJudge;//设置滚动选中状态 yScale.IsChecked = ScaleJudge;//设置缩放选中状态 AutoTracking = CurveView.get_XAxis(0).TrackingEnabled;//获取当前选中X轴自动跟踪开启状态 yAutoTrack.IsChecked = AutoTracking;//设置当前选中X轴自动跟踪选中状态 } private void cursorMenu_Opened(object sender, RoutedEventArgs e)//打开数据光标菜单时发生 { } #endregion
