The MCI_HMS_HOUR macro retrieves the hours component from a parameter containing packed hours/minutes/seconds (HMS) information.
BYTE MCI_HMS_HOUR(
DWORD dwHMS
);
Returns the hours component of the specified HMS information.
Time in HMS format is expressed as a doubleword value with the least significant byte containing hours, the next least significant byte containing minutes, and the next least significant byte containing seconds. The most significant byte is unused.
The MCI_HMS_HOUR macro is defined as follows:
#define MCI_HMS_HOUR(hms) ((BYTE)(hms))
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.