[winApi] Text ab einem bestimmten Punkt aus einem RichEdit auslesen

              TEXTRANGE trw, *_trw;    
        pid = 1;
        GetWindowThreadProcessId(edit, &pid);
        process = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_READ |
                PROCESS_VM_WRITE | PROCESS_QUERY_INFORMATION, FALSE, pid);    
        _trw = (TEXTRANGE*) VirtualAllocEx(process, NULL, sizeof (TEXTRANGE),
                MEM_COMMIT, PAGE_READWRITE);          
           
        printf("%d, %d\n", process, pid);
        char* cBuffer;
        char p[50];
             
         cBuffer = (char*) VirtualAllocEx(process, NULL, 50,
                MEM_COMMIT, PAGE_READWRITE);            
             
         
             trw.chrg.cpMin = 2;
             trw.chrg.cpMax = 49;
             trw.lpstrText = (LPSTR)cBuffer;
             WriteProcessMemory(process, _trw, &trw, sizeof (TEXTRANGE), NULL);
             printf("%d\n",SendMessage(edit, EM_GETTEXTRANGE, 0 , (LPARAM)_trw));

            ReadProcessMemory(process, cBuffer, p, 50, NULL);
             printf("%s\n", p );
             
             VirtualFreeEx(process, _trw, 0, MEM_RELEASE);