typedef VOID ( WINAPI * DrawString_t ) ( UCanvas* uCanvas, int x, int y, TCHAR *szText, UFont *uFont, FColor fColor );
DrawString_t pDrawString;

pDrawString = ( DrawString_t ) ( DWORD ) ( GetProcAddress(GetModuleHandle("Engine.dll"), "?DrawString@FCanvasUtil@@QAEHHHPBGPAVUFont@@VFColor@@@Z");

pDrawString(uCanvas, 10, 0, TEXT("TEST"), uSmallFont, FColor(255, 255, 255, 255) );