# IExtension.h File Reference

## Classes
struct | INamedExtension
struct | IExDataExchanger
## Typedefs
typedef int32 | MessageID
typedef MCCOMErr(* | TUIHandlerFunctionPtr )(MessageID message, IMFResponder *source, void *data, const TMCPtrArray< IExDataExchanger > &inDataExchangers)
## Functions
| MCDEFINE_GUID_H (IID_IExDataExchanger)
| MCDEFINE_GUID_H (IID_INamedExtension)

## Typedef Documentation

typedef int32 MessageID

## Function Documentation

MCDEFINE_GUID_H | ( | IID_INamedExtension |  | ) |

MCDEFINE_GUID_H | ( | IID_IExDataExchanger |  | ) |