Gets or sets the object that contains programmer-supplied data associated with the ToolTip.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Typically, you use the property to store data that is closely associated with the ToolTip. For example, if you are displaying a ToolTip for a control that displays customer information, you might store the DataSet that contains the customer's information in the property so the data can be accessed quickly.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.