winforms
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dotnet
Windows Forms is a .NET UI framework for building Windows desktop applications.
[Accessibility Insights for Windows ](https://accessibilityinsights.io/docs/en/windows/overview/)needs to be able to determine which .NET version is running in order to report only actionable errors to the application developer when they are scanning...
## Rationale: Usually, there are 2 types of events which are considered to be a Property Change for a Value which has been edited in a TextBox, RichTextBox or ComboBox:...
* .NET Core Version: .NET 6.0 **Problem description:** This issue is created to track missing unit and integration tests for the high DPI changes we will be doing in .NET...
# Rationale With the arrival of the WebView2 control, which introduces APIs for WinForms which can only be called asynchronously and therefore need to be awaited, and also with the...
**Is your feature request related to a problem? Please describe.** The `DataGridViewComboBoxColumn` and `DataGridViewComboBox` have a `MaxDropDownItems` to set the maximum number of items visible in the dropdown list. This...
**Is your feature request related to a problem? Please describe.** The problem in general is no clear easy way to override what the default scrollbars look like in all ScrollableControls...
There are two components to this. The first is relatively easy- we need helpers and some examples to view GDI calls generated when rendering to a `Graphics` object. The second...
We have a number of rendering tests, however all of them have been developed for disabled visual styles. New tests need to be added to: * [ ] NumericUpDownTests (https://github.com/dotnet/winforms/blob/master/src/System.Windows.Forms/tests/UnitTests/NumericUpDownTests.cs)...
This issue is for tracking usage of source generators for interop. The Runtime is considering implementing P/Invoke support through source generators: https://github.com/dotnet/runtime/blob/master/docs/design/features/source-generator-pinvokes.md We should also be exploring is implementing common...
Function pointers provide better performance. Creating this issue to discuss utilizing them in Windows Forms interop. Things we should consider / look at: - Win32 callbacks - High usage COM...