I\'m developing simple C# application using Windows.Forms on .NET. I need some button that will show a drop-down menu with subcategories - much like ToolStripMenu, but the b
Infragistics has the WinDropDownButton: http://help.infragistics.com/Help/NetAdvantage/WinForms/2012.1/CLR2.0/html/WinDropDownButton_About_WinDropDownButton.html
So it certainly exists, however you may not be looking for a paid third-party control.