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[Windows] Fixed the flyout content width not being set correctly after updating to WinUI SDK 1.7 #28996

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Merged
merged 2 commits into from
Apr 16, 2025
Merged

[Windows] Fixed the flyout content width not being set correctly after updating to WinUI SDK 1.7 #28996

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41576d3
Fixed flyout content width issue
Tamilarasan-Paranthaman Apr 15, 2025
b978699
Updated details
Tamilarasan-Paranthaman Apr 15, 2025
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3 changes: 0 additions & 3 deletions src/Controls/src/Core/Handlers/Shell/Windows/ShellFlyoutItemView.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -98,9 +98,6 @@ void ShellElementPropertyChanged(object sender, PropertyChangedEventArgs e)
if (ShellView == null)
return base.MeasureOverride(availableSize);

if (!ShellView.IsPaneOpen)
return base.MeasureOverride(availableSize);

if (ShellView.OpenPaneLength < availableSize.Width)
return base.MeasureOverride(availableSize);

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4 changes: 4 additions & 0 deletions src/Core/src/Platform/Windows/MauiNavigationView.cs
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Expand Up @@ -124,6 +124,10 @@ protected override void OnApplyTemplate()
// It causes the content to not be flush up against the title bar
PaneContentGrid.Margin = new WThickness(0, 0, 0, 0);
UpdateMenuItemsContainerHeight();

// On WinUI SDK 1.7, it seems that if the PaneContentGrid width is not explicitly set,
// it takes on the desired width of its child.
PaneContentGrid.Width = OpenPaneLength;
}


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10 changes: 10 additions & 0 deletions src/Core/src/Platform/Windows/NavigationViewExtensions.cs
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Expand Up @@ -249,9 +249,19 @@ public static void UpdateFlyoutBehavior(this MauiNavigationView navigationView,
public static void UpdateFlyoutWidth(this MauiNavigationView navigationView, IFlyoutView flyoutView)
{
if (flyoutView.FlyoutWidth >= 0)
{
navigationView.OpenPaneLength = flyoutView.FlyoutWidth;
}
else
{
navigationView.OpenPaneLength = 320;
}

if (navigationView.PaneContentGrid is not null)
{
navigationView.PaneContentGrid.Width = navigationView.OpenPaneLength;
}

// At some point this Template Setting is going to show up with a bump to winui
//handler.PlatformView.OpenPaneLength = handler.PlatformView.TemplateSettings.OpenPaneWidth;
}
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