Set the background color or background image for the dialog box in vc++6.0

/************************************************************ Description: Set the background color or background image for the dialog box in vc++6.0 * Note: Test Code dialog box program name: BJ * Principle: Add code to OnPaint () ***********************************************************///Note: The code takes effect void after removing the comment symbol corresponding TO/* * * * Cbjdlg::onpaint () {if (Isiconic ()) {CPAINTDC DC (this),//device context for painting SendMessage (W M_iconerasebkgnd, (WPARAM) DC.         GETSAFEHDC (), 0);        Center icon in client rectangle int cxicon = GetSystemMetrics (Sm_cxicon);        int cyicon = GetSystemMetrics (Sm_cyicon);        CRect rect;        GetClientRect (&rect); int x = (rect.        Width ()-Cxicon + 1)/2; int y = (rect.         Height ()-Cyicon + 1)/2; Draw the icon DC.    DrawIcon (x, y, M_hicon);        } else {//cdialog::onpaint ();//This line is the original code/* Set Background color: CRect RC;        GetClientRect (&RC);//Get client Area CPaintDC DC (this); dc.   Fillsolidrect (&RC, RGB (0,160,0));        Fill customer Area color cdialog::onpaint (); */* Set background Image://cdialog::onpaint ();//To disallow this call CPaintDC DC (this);           CRect rect;           GetClientRect (&rect);           CDC Dcmem;           Dcmem.createcompatibledc (&DC);           CBitmap Bmpbackground;  Bmpbackground.loadbitmap (IDB_BITMAP3);           IDB_BITMAP3 is a bitmap resource BITMAP BITMAP;           Bmpbackground.getbitmap (&BITMAP);         CBitmap *pbmpold=dcmem.selectobject (&bmpbackground); dc. StretchBlt (0,0,rect. Width (), Rect.           Height (), &dcmem,0,0, bitmap.bmwidth,bitmap.bmheight,srccopy); */             }  }

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Set the background color or background image for the dialog box in vc++6.0