IDataObject.EnumFormatEtc Method

Retrieves a pointer to an object that can enumerate the FORMATETC enumerator types that this implementation supports.

Namespace:  Microsoft.Aspnet.Snapin
Assembly:  AspNetMMCExt (in AspNetMMCExt.dll)

int EnumFormatEtc(
	int a,
	IntPtr b


Type: System.Int32

A value from the DATADIR indicating the direction of the data.

Type: System.IntPtr

An output variable address receiving the IEnumFORMATETC.

Return Value

Type: System.Int32
The EnumFormatEtc method supports the standard return values E_INVALIDARG and E_OUTOFMEMORY, as well as the following return values:

Return value



This call to the EnumFormatEtc method successfully created the enumerator object.


The specified direction is not supported.


A request to OLE to enumerate the formats from the registry.

For more information about programming with the IDataObject interface and the Microsoft Management Console (MMC), see the "MMC Programmer's Guide" in the MSDN Library.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

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.