Overview[Sample|Source|Documentation] Vertical Collapsing Panel: panel1 panel1 panel2 Collapsing Panel: panel2 panel1 panel2 Horizontal Collapsing Panel: panel1 panel1 panel2 Collapsing Panel: panel2 panel1 panel2 Description The C1Splitter is a container control that consists of a draggable bar that divides a container's display area into two resizable panes. This sample illustrates how to use the Orientation property to make a vertical or horizontal splitter. Other samples in this section will teach you how to make nested splitters and full-size splitters.