Specifies the direction of the data flow in the dwDirection parameter of the EnumFormatEtc method. This determines the formats that the resulting enumerator can enumerate.
Assembly: System (in System.dll)
For more information about DATADIR, see the MSDN Library.
The common language runtime throws an exception when a COM method in native code returns an HRESULT. For more information, see How to: Map HRESULTs and Exceptions.
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.