Split-Button controls
To enable Split-Button functionality the SPLITBUTTON property can be set to one of the following values:
| Value | Description |
|---|---|
| "R" | creates a Split-Button with the main part to the left and the drop-down arrow part on the right. |
| "L" | creates a Split-Button with the main part to the right and the drop-down arrow part on the left. |
| NULL ("") | removes the Split-Button styling from the control. |