GetLogicalDrives function

Retrieves a bitmask representing the currently available disk drives.

Syntax

DWORD GetLogicalDrives(

);

Parameters

This function has no parameters.

Return Value

If the function succeeds, the return value is a bitmask representing the currently available disk drives. Bit position 0 (the least-significant bit) is drive A, bit position 1 is drive B, bit position 2 is drive C, and so on.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

In Windows 8 and Windows Server 2012, this function is supported by the following technologies.

Technology Supported
Server Message Block (SMB) 3.0 protocol No
SMB 3.0 Transparent Failover (TFO) No
SMB 3.0 with Scale-out File Shares (SO) No
Cluster Shared Volume File System (CsvFS) Yes
Resilient File System (ReFS) Yes
 

SMB does not support volume management functions.

Requirements

   
Minimum supported client Windows XP [desktop apps | UWP apps]
Minimum supported server Windows Server 2003 [desktop apps | UWP apps]
Target Platform Windows
Header fileapi.h (include Windows.h)
Library Kernel32.lib
DLL Kernel32.dll

See Also

GetLogicalDriveStrings

Volume Management Functions