Better SplitButton is a "Split-Button" (dropdown button) control for .NET. It is free for non-commercial use.
Features
- Supports ContextMenuStrip
- Adjustable size of the split part
- Adjustable size of the native-style glyph (down arrow)
- Separate glyph image can be assigned for every button state
- Supports images and ImageList of any size
- Can work like a button or like a drop-down context menu only
- Can be set to always dropdown
- Excellent documentation with source code samples and screenshots