popup支持设置大小

AIStudio.Wpf.DiagramDesigner/Controls/PopupWindow.xaml

@@ -5,7 +5,7 @@
         SizeToContent="WidthAndHeight"
         WindowStartupLocation="CenterOwner"
         x:Name="theView">
-    <Grid>
+    <Grid x:Name="grid">
         <Grid.RowDefinitions>
             <RowDefinition Height="*" />
             <RowDefinition Height="Auto" />

AIStudio.Wpf.DiagramDesigner/Controls/PopupWindow.xaml.cs

@@ -24,6 +24,12 @@ namespace AIStudio.Wpf.DiagramDesigner.Controls
             InitializeComponent();
         }
 
+        public void Init(double width, double height)
+        {
+            grid.Width = width;
+            grid.Height = height;
+        }
+
         private void Ok_Click(object sender, RoutedEventArgs e)
         {
             this.DialogResult = true;