This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Adds an item to the collection.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Once you add the row to a control, the number of cells it contains always matches the number of columns in the control, so this method is no longer useful.
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.