DMUS_EXTENSIONCHUNK

The DMUS_EXTENSIONCHUNK structure describes a DLS extension chunk. All extensions to the DLS file format that are unknown to DirectMusic are downloaded in this variable-size chunk.

typedef struct {
    ULONG  cbSize;
    ULONG  ulNextExtCkIdx;
    FOURCC ExtCkID;
    BYTE   byExtCk[ ];
} DMUS_EXTENSIONCHUNK;

cbSize

Size of chunk.

ulNextExtCkIdx

Index, in the DMUS_OFFSETTABLE structure, of the next extension chunk. If 0, there are no more third-party extension chunks

ExtCkID

Chunk identifier.

byExtCk[ ]

Data.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmdls.h.