public bool DoCopy4() // with kernel32.dll CopyFile2 -- ооооочень медленно!!
{
while (!_bCancelCopying && (_bPause || _bPauseFile))
{
System.Threading.Thread.Sleep(300);
}
bool bRetVal = false;
if (!_bCancelCopying)
{
COPYFILE2_EXTENDED_PARAMETERS stParams = new COPYFILE2_EXTENDED_PARAMETERS();
int bCancel = 0;
int size = Marshal.SizeOf(bCancel);
IntPtr pBool = Marshal.AllocHGlobal(size);
Marshal.WriteInt32(pBool, 0, bCancel); // last parameter 0 (FALSE), 1 (TRUE)
stParams.dwSize = (uint)Marshal.SizeOf(stParams);
stParams.dwCopyFlags = Copy2FileFlags.COPY_FILE_NO_BUFFERING | Copy2FileFlags.COPY_FILE_RESTARTABLE;
stParams.pfCancel = pBool;
stParams.pProgressRoutine = null;
stParams.pvCallbackContext = IntPtr.Zero;
bRetVal = CopyFile2(_sSrcFile, _sDestFile, ref stParams);
Marshal.FreeHGlobal(pBool);
}
return(bRetVal);
}
/// <summary>
/// CopyFile2 wrapper. Only available on Windows8 and above.
/// </summary>
public unsafe static void CopyFile2(string source, string destination, bool overwrite = false)
{
Boolean32 cancel = false;
COPYFILE2_EXTENDED_PARAMETERS parameters = new COPYFILE2_EXTENDED_PARAMETERS()
{
dwSize = (uint)sizeof(COPYFILE2_EXTENDED_PARAMETERS),
pfCancel = &cancel,
dwCopyFlags = overwrite ? 0 : CopyFileFlags.FailIfExists
};
Imports.CopyFile2(source, destination, ref parameters).ThrowIfFailed();
}
/// <summary>
/// CopyFile2 wrapper. Only available on Windows8 and above.
/// </summary>
public static void CopyFile2(string source, string destination, bool overwrite = false)
{
unsafe
{
int cancel = 0;
COPYFILE2_EXTENDED_PARAMETERS parameters = new COPYFILE2_EXTENDED_PARAMETERS();
parameters.dwSize = (uint)Marshal.SizeOf <COPYFILE2_EXTENDED_PARAMETERS>();
parameters.pfCanel = &cancel;
parameters.dwCopyFlags = overwrite ? 0 : CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS;
HRESULT hr = Direct.CopyFile2(source, destination, ¶meters);
if (ErrorMacros.FAILED(hr))
{
throw ErrorHelper.GetIoExceptionForHResult(hr, source);
}
}
}
/// <summary>
/// CopyFile2 wrapper. Only available on Windows8 and above.
/// </summary>
public static void CopyFile2(string source, string destination, bool overwrite = false)
{
unsafe
{
int cancel = 0;
COPYFILE2_EXTENDED_PARAMETERS parameters = new COPYFILE2_EXTENDED_PARAMETERS()
{
dwSize = (uint)sizeof(COPYFILE2_EXTENDED_PARAMETERS),
pfCanel = &cancel,
dwCopyFlags = overwrite ? 0 : CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS
};
HRESULT hr = Imports.CopyFile2(source, destination, ¶meters);
if (ErrorMacros.FAILED(hr))
{
throw Errors.GetIoExceptionForHResult(hr, source);
}
}
}
internal static extern int CopyFile2(string pwszExistingFileName, string pwszNewFileName, ref COPYFILE2_EXTENDED_PARAMETERS pExtendedParameters);
internal static extern int CopyFile2(string pwszExistingFileName, string pwszNewFileName, ref COPYFILE2_EXTENDED_PARAMETERS pExtendedParameters);
private static extern bool CopyFile2(string lpExistingFileName, string lpNewFileName, ref COPYFILE2_EXTENDED_PARAMETERS pExtendedParameters);
