C++编译后中文显示是??号

 void DrawT(int X, int Y, CColor Color, int Font, bool Center, char* _Input, ...)

        {

                char Buffer[1024] = { '\0' };



                /* set up varargs*/

                va_list Args;



                va_start(Args, _Input);

                vsprintf_s(Buffer, _Input, Args);

                va_end(Args);



                size_t Size = strlen(Buffer) + 1;



                /* set up widebuffer*/

                wchar_t* WideBuffer = new wchar_t[Size];



                /* char -> wchar */

                mbstowcs_s(nullptr, WideBuffer, Size, Buffer, Size - 1);



                /* check center */

                int Width = 0, Height = 0;



                if (Center)

                {

                        GetTextSize(Font, WideBuffer, Width, Height);

                }



                /* call and draw*/

                DrawSetTextColor(Color._color[0], Color._color[1], Color._color[2], Color._color[3]);

                DrawSetTextFont(Font);

                DrawSetTextPos(X - (Width / 2), Y);

                DrawPrintText(WideBuffer, wcslen(WideBuffer));



                return;

        }



        void DrawString(int font, int x, int y, int align, CColor color, const wchar_t* text, ...)

        {

                DrawSetTextPos(x, y);

                DrawSetTextColor(color._color[0], color._color[1], color._color[2], color._color[3]);

                DrawSetTextFont(font);

                DrawPrintText(text, wcslen(text));



                return;

        }