RichEditDemo

int APIENTRY WinMain(HINSTANCE hInstance,                     HINSTANCE hPrevInstance,                     LPSTR     lpCmdLine,                     int       nCmdShow){//Enable IPAddress、Calendar.etcInitCommonControls();HINSTANCE hred=LoadLibrary("riched32.dll");DialogBox(hInstance, MAKEINTRESOURCE(IDD_MAIN), NULL, Main_Proc);FreeLibrary(hred);return 0;}

        case IDM_OPEN://IDC_RICHEDIT1  IDM_OPEN{FILE *fp=fopen("c:/test.txt","r");char buf[256];fgets(buf,sizeof(buf),fp);fclose(fp);SetDlgItemText(hwnd,IDC_RICHEDIT1,buf);}