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WPF is a .NET Core UI framework for building Windows desktop applications.
###### Microsoft Reviewers: [Open in CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/dotnet/wpf/pull/9103)
Fixes #9021 ## Description In WPF, RenderTargetBitmap (also RTB) currently only supports software rendering. This limitation leads to performance bottlenecks and causes ShaderEffect implementations to become ineffective. Enhancing RTB to...
### Description StackPanel in ScrollViewer : when adding items to StackPanel (to make vertical scrollbar appear than removing them), than removing some of them (which makes scrollbar disppear), VisualTreeHelper.GetDescendantBounds() provides...
### Description In method [CWGXBitmapLockState::LockRead()](https://github.com/dotnet/wpf/blob/2af6ee77ff756fde694b0695ccda03e44403a72e/src/Microsoft.DotNet.Wpf/src/WpfGfx/common/scanop/bitmap.cpp#L1063), the exit-on-other-lock-active is implemented incorrectly. ``` lockCount = m_lockState & (~lockWrite); // lockWrite == 0x80000000 LONG incCount = lockCount + 1; // Check for locked...
## Description Fixed textbox's clear button styles, made it align with win ui styles. ## Regression None ## Testing Local Build Pass Sample Application Testing ## Risk None ###### Microsoft...
## Description The following PR fixes Accessibility issue which occurs due to improper naming of nested controls of scroll bar and editable combo box. Additionally, it fixes the one's with...
## Description Change Substring for AsSpan for a method that already accepts a span. It looks like it was missed in dotnet/wpf#6268 when ParseParameterAndValue was changed to accept a span....
_This issue has been moved from [a ticket on Developer Community](https://developercommunity2.visualstudio.com/t/SystemWindowsPrimitivesPopup---Cant-/940323)._ --- In my WPF application I have a Popup whose StaysOpen="True". Works great. On my Poup is another UserControl...
### Description I added a Label into the Grid in WPF and set its content using **RelativeSource** Binding. However, during calculation, the size was improperly determined in the **Measure()**, resulting...
### Description A wpf Window that has a set of RadioButton controls with GroupName set and IsChecked bound to an underlying property will set that property to `false` when a...
