internal static bool GetLastWriteDirectoryUtcTime(string fullPath, out DateTime fileModifiedTimeUtc)
{
fileModifiedTimeUtc = DateTime.MinValue;
NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA lpFileInformation = new NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA();
bool flag = NativeMethodsShared.GetFileAttributesEx(fullPath, 0, ref lpFileInformation);
if (flag)
{
if ((lpFileInformation.fileAttributes & 16) != 0)
{
long fileTime = (long) lpFileInformation.ftLastWriteTimeHigh << 32 | (long) lpFileInformation.ftLastWriteTimeLow;
fileModifiedTimeUtc = DateTime.FromFileTimeUtc(fileTime);
}
else
flag = false;
}
return flag;
}
internal static bool FileOrDirectoryExistsNoThrow(string fullPath)
{
fullPath = FileUtilities.AttemptToShortenPath(fullPath);
NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA lpFileInformation = new NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA();
return NativeMethodsShared.GetFileAttributesEx(fullPath, 0, ref lpFileInformation);
}
internal static DateTime GetLastWriteFileUtcTime(string fullPath)
{
DateTime dateTime = DateTime.MinValue;
NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA lpFileInformation = new NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA();
if (NativeMethodsShared.GetFileAttributesEx(fullPath, 0, ref lpFileInformation))
dateTime = DateTime.FromFileTimeUtc((long) lpFileInformation.ftLastWriteTimeHigh << 32 | (long) lpFileInformation.ftLastWriteTimeLow);
return dateTime;
}
internal static bool FileExistsNoThrow(string fullPath)
{
fullPath = FileUtilities.AttemptToShortenPath(fullPath);
NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA lpFileInformation = new NativeMethodsShared.WIN32_FILE_ATTRIBUTE_DATA();
if (NativeMethodsShared.GetFileAttributesEx(fullPath, 0, ref lpFileInformation))
return (lpFileInformation.fileAttributes & 16) == 0;
return false;
}
