WPF - Custom Controls - WPF applications allows to create custom controls which makes it very easy to create feature-rich and customizable controls. Custom controls are used when all the built-in controls provided by Microsoft are not fulfilling your criteria or you don’t want to pay for third-party controls.
Digitteck, WPF
Customising Controls with WPF — Part IV Idiomatic Patterns, by cool.blue
PropertyGrid Features - Actipro WPF Controls Docs
WPF Custom-Control Style Not Implemented - Stack Overflow
7 Easy Steps to Add Custom Controls to Visual Studio Toolbox
net - Create a Custom Control with the combination of multiple controls in WPF C# - Stack Overflow
C# WPF - UI Buttons
Hello WPF World, part 1
WPF - Custom Controls
Soledad Pano's Blog - WPF Accessibility
7 Easy Steps to Add Custom Controls to Visual Studio Toolbox