The drop-down button provides advanced menu-like semantics to your button UI. Its content will be displayed in the drop-down menu when the button is clicked.
The size of the DropDownButtonAdv control can be easily changed using the SizeMode property, which contains the following values: Small, Normal, and Large
Images displayed in the DropDownButtonAdv control can be set using two properties: SmallIcon is used to set the image, when SizeMode is Normal or Small. LargeIcon is used to set image, when SizeMode is Large.
The direction in which a menu can drop down can be changed using the DropDirection property. The following directions can be specified: left, right, bottom-left, bottom-right, top-left, and top-right.
The DropDownMenuGroup supports resizing if the property IsResizable is set to true.