ToolTip.Show Method (String, IWin32Window, Int32)
Sets the ToolTip text associated with the specified control, and then displays the ToolTip for the specified duration.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
The ToolTip is positioned in the center of the associated control represented by the win parameter. To display the ToolTip modally, call the Show(String, IWin32Window) overloaded version of this method instead.
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.