System.ConsolePal.IsHandleRedirected C# (CSharp) Method

ConsolePal Class Documentation 显示文件 Open project: dotnet/corefx

IsHandleRedirected() private static method

private static IsHandleRedirected ( IntPtr handle ) : bool
handle	IntPtr
return	bool

        private static bool IsHandleRedirected(IntPtr handle)
        {
            // If handle is not to a character device, we must be redirected:
            uint fileType = Interop.Kernel32.GetFileType(handle);
            if ((fileType & Interop.Kernel32.FileTypes.FILE_TYPE_CHAR) != Interop.Kernel32.FileTypes.FILE_TYPE_CHAR)
                return true;

            // We are on a char device if GetConsoleMode succeeds and so we are not redirected.
            return (!Interop.Kernel32.IsGetConsoleModeCallSuccessful(handle));
        }