IWMDMStorageGlobals::GetTotalFree method (mswmdm.h)

Article
02/22/2024

The GetTotalFree method retrieves the total amount of free space on the storage medium, in bytes.

Syntax

HRESULT GetTotalFree(
  [out] DWORD *pdwFreeLow,
  [out] DWORD *pdwFreeHigh
);

Parameters

[out] pdwFreeLow

Pointer to a DWORD that receives the low-order part of the free space value.

[out] pdwFreeHigh

Pointer to a DWORD that receives the high-order part of the free space value.

Return value

The method returns an HRESULT. All the interface methods in Windows Media Device Manager can return any of the following classes of error codes:

Standard COM error codes
Windows error codes converted to HRESULT values
Windows Media Device Manager error codes

For an extensive list of possible error codes, see Error Codes.

Remarks

To determine the amount of storage space in use by the medium for file management, subtract the number of bad bytes retrieved using GetTotalBad from the number of free bytes retrieved using GetTotalFree.

Requirements

Requirement	Value
Target Platform	Windows
Header	mswmdm.h
Library	Mssachlp.lib