004 WPF TextBox selected text appears a different color when the text box is inactive.md

4: WPF TextBox selected text appears a different color when the text box is inactive

Scope

Edge

Version Introduced

4.5

Source Analyzer Status

Available

Change Description

In .NET 4.5, when a WPF text box control is inactive (it doesn't have focus), the selected text inside the box will appear a different color than when the control is active.

• Quirked
• Build-time break

Recommended Action

Previous (.NET 4.0) behavior may be restored by setting the FrameworkCompatibilityPreferences.AreInactiveSelectionHighlightBrushKeysSupported property to false.

Affected APIs

• T:System.Windows.Controls.TextBox

Category

Windows Presentation Foundation (WPF)

More information