C# WPF UI Tutorials: 21 - Custom Dialog System Message Box Popup
WPF Data Grid: Custom Controls
WPF Auto Complete/Suggestion Text Box Control
WPF RichTextBoxToolBar Control - CodeProject
WPF Watermarked TextBox Tutorial
WPF Tutorial: Toggle Button in WPF, Toggle Switch, Button, Visual studio
WPF C# InputBox - Stack Overflow
WPF Textbox rounded corners
Text Input with Textboxes in WPF - WPF C# Tutorial Part 4
Part 4 - New WPF/MVVM Tutorial(C#)