User Controls in WPF compared with custom controls (usercontrol vs customcontrol)

In WPF, you can create two types of controls: User Control and custom control. But what are the differences between the two controls? This articleArticleTheir respective features are listed to select the appropriate control type in the project.

User Control (combination)

• Combine multiple existing controls into a reusable "group ".
• By a XAML file and a backgroundCodeFile.
• Styles and templates cannot be used.
• Inherited from the usercontrol class.

Custom Controls (extensions)

• Extends existing controls and adds new property methods.
• Includes a code file and a default topic file.
• You can use styles and templates.
• A good way to build a control library.