实现了画布无限拖动效果

2026-03-03 00:00:49 +08:00 · 2024-09-07 15:56:34 +08:00
parent ea0a7dd82e
commit ae1a00ee2a
2 changed files with 158 additions and 19 deletions
--- a/WorkBench/MainWindow.xaml
+++ b/WorkBench/MainWindow.xaml
@@ -74,16 +74,17 @@
            </StackPanel>
            
            <ScrollViewer  Grid.Row="1"
-                  x:Name="FlowChartScrollViewer" 
-                  HorizontalScrollBarVisibility="Auto" 
-                  VerticalScrollBarVisibility="Auto" 
-                  SizeChanged="FlowChartScrollViewer_SizeChanged">
+                  x:Name="FlowChartScrollViewer">
+                
                <Canvas x:Name="FlowChartCanvas" 
-                    Background="#F2EEE8"
-                    Width="1000" Height="1000"
-                    AllowDrop="True" 
-                    Drop="FlowChartCanvas_Drop" 
-                    DragOver="FlowChartCanvas_DragOver"/>
+                        Background="#F2EEE8"
+                        AllowDrop="True" 
+                        MouseDown="FlowChartCanvas_MouseDown"
+                        MouseMove="FlowChartCanvas_MouseMove"
+                        MouseUp="FlowChartCanvas_MouseUp"
+                        MouseWheel="FlowChartCanvas_MouseWheel"
+                        Drop="FlowChartCanvas_Drop" 
+                        DragOver="FlowChartCanvas_DragOver"/>
            </ScrollViewer>
        </Grid>