feat(controls): Add GridSplitter support to LeftNavigationViewTemplate #1603
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- Add IsGridSplitterEnabled dependency property to enable/disable GridSplitter - Implement GridSplitter between navigation pane and content area - Ensure navigation pane width resizes with GridSplitter while maintaining left alignment - Manage PaneColumn width through code-behind using OpenPaneLength as initial width - Remove ColumnDefinition width animations from VisualStateManager to prevent exceptions - Add proper event handler cleanup and thread-safe updates using Dispatcher - Handle GridLength safely with IsAbsolute checks before accessing Value property - Default value is false to maintain backward compatibility
github-actions
bot
added
controls
- Add UpdatePaneColumnWidthForToggle method to handle pane open/close events - Call UpdatePaneColumnWidthForToggle from OnPaneOpened and OnPaneClosed - Ensure PaneColumn width updates correctly when toggle button is clicked - Preserve manually resized width when toggling pane open/closed - Fix issue where pane width was not updating when using GridSplitter
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Pull request type
What is the current behavior?
The width of the navigation panel can be specified using OpenPaneLength,
but it cannot be resized dynamically.
I came up with a better approach than my pull request #1519.
What is the new behavior?
The GridSplitter allows users to manually resize the navigation pane width,
and the navigation menu automatically adjusts its width accordingly while
staying left-aligned. The initial width is controlled by the OpenPaneLength property.
Other information
2025-12-14_01h06_52.mp4