split-button
There are 5 repositories under split-button topic.
rhwood/jsplitbutton
A split button control for Java Swing.
Dirkster99/DropDownButtonLib
The DropDownButtonLib project supplies MVVM/WPF drop down controls that are based on a button.
gisshare2015/GISShare.Controls.WinForm
基于.NET开发的WinForm自定义控件
material-spirit/ngx-split-button
Split Button for Angular Material.
spetrik/WPF-Drowdown-button
Several variants of WPF Drowdown button