The message to be shown via tooltip

Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 17.0.0.0 (17.0.1090.0)
Since: 2017

Syntax

C#
`public string TooltipMessage { get; set; }`

Visual Basic
`Public Property TooltipMessage As String Get Set`

Visual C++
`public: property String^ TooltipMessage { String^ get (); void set (String^ value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was NULL