/// <summary>
/// Mainly a copy from the internal .Net System.IO.Directory.DeleteHelper
/// </summary>
/// <param name="fullPath"></param>
/// <param name="recursive"></param>
private static void DeleteHelper(string fullPath, bool recursive)
{
int lastWin32Error;
Exception exception = null;
if (recursive)
{
WIN32_FIND_DATA data = new WIN32_FIND_DATA();
var handle = NativeWin32Methods.FindFirstFileW(fullPath + System.IO.Path.DirectorySeparatorChar + "*", out data);
try
{
#region Check FindFirstFileW handle
if (handle.ToInt64() < 0)
{
lastWin32Error = Marshal.GetLastWin32Error();
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
#endregion
#region Go through each entry
do
{
if (0 != ((int)data.dwFileAttributes & 0x10))
{
#region This is a directory
if (!data.cFileName.Equals(".") && !data.cFileName.Equals(".."))
{
if (0 == ((int)data.dwFileAttributes & 0x400))//& FileAttributes.ReparsePoint))
{
#region Regular directory
string str = System.IO.Path.Combine(fullPath, data.cFileName);
try
{
DeleteHelper(str, recursive);
}
catch (Exception exception2)
{
if (exception == null)
{
exception = exception2;
}
}
#endregion
}
else
{
#region VolumeMountPoint
if ((data.dwReserved0 == -1610612733) && !NativeWin32Methods.DeleteVolumeMountPoint(System.IO.Path.Combine(fullPath, data.cFileName + System.IO.Path.DirectorySeparatorChar)))
{
lastWin32Error = Marshal.GetLastWin32Error();
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
if (!NativeWin32Methods.RemoveDirectoryW(System.IO.Path.Combine(fullPath, data.cFileName)))
{
lastWin32Error = Marshal.GetLastWin32Error();
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
#endregion
}
}
#endregion
}
else if (!NativeWin32Methods.DeleteFileW(System.IO.Path.Combine(fullPath, data.cFileName)))
{
lastWin32Error = Marshal.GetLastWin32Error();
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
}
while (NativeWin32Methods.FindNextFileW(handle, out data));
#endregion
#region Check for erros & clean up
lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error != 18) //ERROR_NO_MORE_FILES
{
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
#endregion
}
finally
{
NativeWin32Methods.FindClose(handle);
}
}
#region Remove directory
if (!NativeWin32Methods.RemoveDirectoryW(fullPath))
{
lastWin32Error = Marshal.GetLastWin32Error();
switch (lastWin32Error)
{
case 2:
lastWin32Error = 3;
break;
case 5:
//throw new IOException(string.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("UnauthorizedAccess_IODenied_Path"), new object[] { userPath }));
break;
}
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
#endregion
}
internal static extern bool FindNextFileW(IntPtr hFindFile, out WIN32_FIND_DATA lpFindFileData);
public static IEnumerable<String> EnumerateFiles(string myPath, string mySearchPattern)
{
#if(__MonoCS__)
return Directory.EnumerateFiles(myPath, mySearchPattern);
#else
var path = PathHandler.GetFullPathInternal(myPath);
if (!Exists(path))
{
throw new DirectoryNotFoundException(path);
}
int lastWin32Error;
var data = new WIN32_FIND_DATA();
var handle = NativeWin32Methods.FindFirstFileW(path + mySearchPattern, out data);
try
{
#region Check FindFirstFileW handle
if (handle.ToInt64() < 0)
{
lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error == 2)
{
yield break; // no files found for this pattern
}
else
{
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
}
#endregion
#region Go through each entry
do
{
yield return System.IO.Path.Combine(myPath, data.cFileName);
}
while (NativeWin32Methods.FindNextFileW(handle, out data));
#endregion
#region Check for erros & clean up
lastWin32Error = Marshal.GetLastWin32Error();
if (lastWin32Error != 18) //ERROR_NO_MORE_FILES
{
throw new System.ComponentModel.Win32Exception(lastWin32Error);
}
#endregion
}
finally
{
NativeWin32Methods.FindClose(handle);
}
#endif
}
internal static extern IntPtr FindFirstFileW(string lpFileName, out WIN32_FIND_DATA lpFindFileData);
