ToolTip.Show Method (String, IWin32Window, Point)
Sets the ToolTip text associated with the specified control, and then displays the ToolTip modally at the specified relative position.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The pt parameter can specify a position outside the bounds of the associated control, its parent form, or even the desktop. The version of the Show method displays the ToolTip for the specified control modally; that is, the ToolTip will be displayed until the Hide method is called, or until the parent form is minimized, hidden, or dismissed.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.