MCI_SYSINFO_PARMS structure
The MCI_SYSINFO_PARMS structure contains information for the MCI_SYSINFO command.
Syntax
typedef struct {
DWORD_PTR dwCallback;
LPTSTR lpstrReturn;
DWORD dwRetSize;
DWORD dwNumber;
UINT wDeviceType;
} MCI_SYSINFO_PARMS;
Members
-
dwCallback
-
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
-
lpstrReturn
-
Pointer to a user-supplied buffer for the return string. It is also used to return a DWORD value when the MCI_SYSINFO_QUANTITY flag is used.
-
dwRetSize
-
Size, in bytes, of return buffer.
-
dwNumber
-
Number indicating the device position in the MCI device table or in the list of open devices if the MCI_SYSINFO_OPEN flag is set.
-
wDeviceType
-
Type of device. This member can be one of the values listed in MCI Device Types.
Remarks
When assigning data to the members of this structure, set the corresponding flags in the fdwCommand parameter of the mciSendCommand function to validate the members.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|