Symptoms
Assume that you have upgraded to Microsoft .NET Framework 4.6 on an operating system that is in a high contrast theme. When you open a property browser in the Visual Studio Windows Forms designer, category names in the property grid will be rendered in black background color and you cannot read the category names.
Cause
This issue occurs because colors are changed to accommodate another scenario unexpectedly, where property grid has light background.
Resolution
To work around this issue, use a different high contrast theme
For more information about the known issues in the .NET Framework 4.6, see Known issues for the .NET Framework 4.6.
More Information
For more information about the product versioning changes and impact in the .NET Framework 4.6, see Application Compatibility in the .NET Framework 4.6.
