IDirectMusicTool::GetMsgDeliveryType

The IDirectMusicTool::GetMsgDeliveryType method retrieves the tool's delivery type, which determines when messages are to be delivered to the tool.

HRESULT GetMsgDeliveryType(
  DWORD* pdwDeliveryType
);
 

Parameters

pdwDeliveryType

Address of a variable to receive the delivery type. The returned value must be DMUS_PMSGF_TOOL_IMMEDIATE, DMUS_PMSGF_TOOL_QUEUE, or DMUS_PMSGF_TOOL_ATTIME. An unrecognized value in *pdwDeliveryType will be treated as DMUS_PMSGF_TOOL_IMMEDIATE by the graph.

Return Values

Return values are determined by the implementation. If successful, the method should return S_OK. If it fails, the method may return E_POINTER.

Remarks

For an overview of the delivery mechanism, see Message Creation and Delivery.

QuickInfo

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