ToolDefault: ToolDefault is a standard ToolBar button. ToolDefault can have a Image and a Caption displayed on the right side of the tool.

ToolCheck: ToolCheck is a ToolDefault-type SmartItem, with 2 positions: checked or unchecked. When a unchecked ToolCheck is clicked, it gets checked, and vice-versa. ToolCheck can have a Image.

ToolButtonGroup: ToolButtonGroup is a ToolCheck button, which behavior is linked to the other ToolCheck buttons (previous and next buttons) of the same group. Only one of these buttons can be checked (or pressed), which means Checked set to true. A ToolButtonGroup SmartItem can have a Caption on the left of the image.

ToolSeparator: ToolSeparator is a pressed SeparatorBar (3D line).

ToolPlaceHolder: ToolPlaceHolder is an empty space which is reserved in the SmartUI, and allows to integrate something programmatically, through the code.

ToolDropDown: ToolDropDown is a button which displays a Menu, when clicked. The very right side of the button shows a small down-arrow. A ToolDropDown SmartItem can have a Caption on the left of the image.

ToolMixed: ToolMixed is a ToolDropdown button, which is separated in 2 distinct parts. You can click on the left part of the button (generates the Click event). And when you click on the right part of the button, it displays a dropdown menu (like the New button). A ToolMixed SmartItem can have a Caption on the left of the image.

ToolMenu: ToolMenu is a ToolDropdown button, which has no arrow on its side. A ToolMenu is a standard item of a MenuBar. A ToolMenu SmartItem can have a Caption on the left of the image.

ToolLabel: ToolLabel is a ToolDefault-type SmartItem, which is completely static. ToolLabel can display information such as mouse coordinates, or object's coordinates. ToolLabel can have a Image.

ToolBelowDefault: ToolBelowDefault is a ToolDefault-type SmartItem, with the Caption displayed below the Tool and centered.   

ToolBelowCheck: ToolBelowCheck is a ToolCheck-type SmartItem, with the Caption displayed below the Tool and centered.  

ToolBelowButtonGroup: ToolBelowButtonGroup is a ToolButtonGroup-type SmartItem, with the Caption displayed below the Tool and centered.   

ToolBelowDropDown: ToolBelowDropDown is a ToolDropDown-type SmartItem, with the Caption displayed below the Tool and centered.   

ToolBelowMixed: ToolBelowMixed is a ToolMixed-type SmartItem, with the Caption displayed below the Tool and centered.