MXDM_GETNUMDEVS (Windows CE 5.0)
This message requests a user-mode mixer driver to return the number of device instances that it supports.
typedef struct { DWORD uDeviceId; UINT uMsg; DWORD dwUser; DWORD lParam1; DWORD lParam2;} MXDM_GETNUMDEVS;
Members
- uDeviceId
Device identifier for the target device. It can be 0, 1, 2, and so on. - uMsg
Equals MXDM_GETNUMDEVS. - dwUser
Not used. - lParam1
Not used. - lParam2
Not used.
Return Values
Returns the number of devices the driver supports.
Remarks
A client sends the MXDM_GETNUMDEVS message by calling the user-mode driver's mxmdMessage entry point, passing the specified parameters.
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Mmddk.h.
See Also
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