SfcIsFileProtected Function (Windows)

SfcIsFileProtected Function

SfcIsFileProtected Function

Determines whether the specified file is protected. Applications should avoid replacing protected system files.

Syntax

C++

BOOL SfcIsFileProtected(
  __in  HANDLE RpcHandle,
  __in  LPCWSTR ProtFileName
);

Parameters

RpcHandle [in]: This parameter must be NULL.
ProtFileName [in]: The name of the file.

Return Value

If the file is protected, the return value is a nonzero value.

If the file is not protected, the return value is zero.

Requirements

Minimum supported client	Windows 2000 Professional
Minimum supported server	Windows 2000 Server
Header	Sfc.h
Library	Sfc.lib
DLL	Sfc.dll

Example: Messagebox.Show(WRPDisplayFileProtectionStatus("C:\Windows\explorer.exe"))

<DllImport("sfc.dll")> Public Shared Function SfcIsFileProtected(ByVal hRpc As Integer, ByVal ProtFileName As IntPtr) As Boolean
End Function

Public Shared Function WRPDisplayFileProtectionStatus(ByVal Filename As String) As String 
If SfcIsFileProtected(0, Marshal.StringToHGlobalUni(Filename)) Then 
Return "Protected: True" 
Else 
Return "Protected: False" 
End If 
End Function

Syntax

Parameters

Return Value

Requirements

See Also