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Namespace: Autodesk.Revit.UI Class: ItemData

ItemData.ToolTip

Property
Description:
The tooltip of item.
Remarks:
The text that is displayed when the mouse pointer moves over the item. SplitButton and RadioButtonGroup cannot display the tooltip set by this method, the SplitButton will always show the current PushButton tooltip, and RadioButtonGroup has no tooltip.
Syntax
public string ToolTip { get; set; }
Exceptions
Exception Condition
ArgumentNullException When setting this property: A non-optional argument was null