1 <Window x:Class="WpfApp2.MainView"
 2         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 3         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 4         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 5         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 6         xmlns:local="clr-namespace:WpfApp2" xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
 7         mc:Ignorable="d"
 8         WindowStartupLocation="CenterScreen"
 9         Background="White"
10         Title="MainView" Height="650" Width="1300">
11     <Grid>
12         <Grid.RowDefinitions>
13             <RowDefinition Height="Auto" />
14             <RowDefinition />
15         </Grid.RowDefinitions>
16         <Grid.ColumnDefinitions>
17             <ColumnDefinition Width="200" />
18             <ColumnDefinition Width="300" />
19             <ColumnDefinition />           
20         </Grid.ColumnDefinitions>
21         <Button Content="执行" HorizontalAlignment="Stretch" Margin="3"  Command="{Binding ExecuteCommand}" />
22         <TextBlock Text="循序流程" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Center"></TextBlock>
23         <TextBlock Text="流程图控制" Grid.Column="2" VerticalAlignment="Center" HorizontalAlignment="Center"></TextBlock>
24         <ListView Grid.Row="1" Grid.Column="0">
25             <ListViewItem Content="AAA" Tag="ProcessA">
26                 <i:Interaction.Triggers>
27                     <i:EventTrigger EventName="PreviewMouseLeftButtonDown">
28                         <i:CallMethodAction MethodName="ListViewItem_MouseLeftButtonDown" TargetObject="{Binding}" />
29                     </i:EventTrigger>
30                 </i:Interaction.Triggers>
31             </ListViewItem>
32             <ListViewItem Content="BBB" Tag="ProcessB">
33                 <i:Interaction.Triggers>
34                     <i:EventTrigger EventName="PreviewMouseLeftButtonDown">
35                         <i:CallMethodAction MethodName="ListViewItem_MouseLeftButtonDown" TargetObject="{Binding}" />
36                     </i:EventTrigger>
37                 </i:Interaction.Triggers></ListViewItem>
38             <ListViewItem Content="CCC" Tag="ProcessC">
39                 <i:Interaction.Triggers>
40                     <i:EventTrigger EventName="PreviewMouseLeftButtonDown">
41                         <i:CallMethodAction MethodName="ListViewItem_MouseLeftButtonDown" TargetObject="{Binding}" />
42                     </i:EventTrigger>
43                 </i:Interaction.Triggers></ListViewItem>
44             <ListViewItem Content="DDD" Tag="ProcessD">
45                 <i:Interaction.Triggers>
46                     <i:EventTrigger EventName="PreviewMouseLeftButtonDown">
47                         <i:CallMethodAction MethodName="ListViewItem_MouseLeftButtonDown" TargetObject="{Binding}" />
48                     </i:EventTrigger>
49                 </i:Interaction.Triggers></ListViewItem>
50         </ListView>
51         <ListBox Grid.Row="1" Grid.Column="1" AllowDrop="True" ItemsSource="{Binding ProcessList}">
52             <i:Interaction.Triggers>
53                 <i:EventTrigger EventName="Drop">
54                     <i:CallMethodAction MethodName="ListBox_Drop" TargetObject="{Binding}" />
55                 </i:EventTrigger>
56             </i:Interaction.Triggers>
57             <ListBox.ItemTemplate>
58                 <DataTemplate>
59                     <TextBlock Text="{Binding Name}">
60                     </TextBlock>
61                 </DataTemplate>
62             </ListBox.ItemTemplate>
63         </ListBox>
64         <ItemsControl Grid.Row="1" Grid.Column="2" Background="Transparent" AllowDrop="true" ItemsSource="{Binding ProcessList}">
65             <ItemsControl.ItemsPanel>
66                 <ItemsPanelTemplate>
67                     <Canvas />
68                 </ItemsPanelTemplate>
69             </ItemsControl.ItemsPanel>
70             
71         </ItemsControl>
72     </Grid>
73 </Window>