c++ - Owner Draw Button Force Refresh -


i have 4 owner draw buttons work tab system program. issue have that, when click on 1 of buttons, need change images of other buttons. whenever try reset images, changes image on button i've clicked. there someway of changing images on other buttons without being clicked ?

int_ptr callback springboard::dlgproc(hwnd hdlg, uint msg, wparam wparam, lparam lparam){     static drawitemstruct* pdis;      switch (msg) {         case wm_drawitem:              pdis = (drawitemstruct*) lparam;             // (winuser.h) maybe want account pdis->ctltype (odt_menu, odt_listbox, odt_combobox, odt_button, odt_static)             switch(pdis->ctlid) {             case idc_tab1:                 thespringboard.mymanageownerdrawiconbutton(pdis, hinstance);                 break;             case idc_tab2:                 thespringboard.mymanageownerdrawiconbutton(pdis, hinstance);                  break;             case idc_tab3:                 thespringboard.mymanageownerdrawiconbutton(pdis, hinstance);                 break;             case idc_tab4:                 thespringboard.mymanageownerdrawiconbutton(pdis, hinstance);                 break;             case idc_tab5:                 thespringboard.mymanageownerdrawiconbutton(pdis, hinstance);                 break;         default:             break;             }  int springboard::mymanageownerdrawiconbutton(drawitemstruct* pdis, hinstance hinstance) {     static rect rect;     static hbitmap hcurricon, hstdc,  hstdoff, hstdon, hvfxc, hvfxoff, hvfxon, hcityc, hcityoff, hcityon, hmaxc, hmaxoff, hmaxon, hsetc, hsetoff, hseton;     rect = pdis->rcitem;      hstdoff = (hbitmap) loadbitmap(hinstance, makeintresource(idb_stdoff));     hstdon = (hbitmap) loadbitmap(hinstance, makeintresource(idb_stdon));     hstdc = (hbitmap) loadbitmap(hinstance, makeintresource(idb_stdclick));     hvfxoff = (hbitmap) loadbitmap(hinstance, makeintresource(idb_vfxoff));     hvfxon = (hbitmap) loadbitmap(hinstance, makeintresource(idb_vfxon));     hvfxc = (hbitmap) loadbitmap(hinstance, makeintresource(idb_vfxclick));     hcityoff = (hbitmap) loadbitmap(hinstance, makeintresource(idb_cityoff));     hcityon = (hbitmap) loadbitmap(hinstance, makeintresource(idb_cityon));     hcityc = (hbitmap) loadbitmap(hinstance, makeintresource(idb_cityclick));     hmaxoff = (hbitmap) loadbitmap(hinstance, makeintresource(idb_maxoff));     hmaxon = (hbitmap) loadbitmap(hinstance, makeintresource(idb_maxon));     hmaxc = (hbitmap) loadbitmap(hinstance, makeintresource(idb_maxclick));     hsetoff = (hbitmap) loadbitmap(hinstance, makeintresource(idb_settingoff));     hseton = (hbitmap) loadbitmap(hinstance, makeintresource(idb_settingon));     hsetc = (hbitmap) loadbitmap(hinstance, makeintresource(idb_settingclick));      if (idc_tab1 == pdis->ctlid) {         // if button selected, display          // "active" icon, else "inactive" icon:          if (pdis->itemstate & ods_selected) hcurricon = hstdc;         else hcurricon = hstdoff;         if(tabroll == 1) hcurricon = hstdon;     }      if (idc_tab2 == pdis->ctlid) {         // if button selected, display          // "active" icon, else "inactive" icon:         if (pdis->itemstate & ods_selected) hcurricon = hvfxc;         else hcurricon = hvfxoff;         //if(tabroll == 2) hcurricon = hvfxon;     }      if (idc_tab3 == pdis->ctlid) {         // if button selected, display          // "active" icon, else "inactive" icon:         if (pdis->itemstate & ods_selected) hcurricon = hcityc;         else hcurricon = hcityoff;         //if(tabroll == 3) hcurricon = hcityon;     }      if (idc_tab4 == pdis->ctlid) {         // if button selected, display          // "active" icon, else "inactive" icon:          if (pdis->itemstate & ods_selected) hcurricon = hmaxc;         else hcurricon = hmaxoff;         //if(tabroll == 4) hcurricon = hmaxon;     }      if (idc_tab5 == pdis->ctlid) {         // if button selected, display          // "active" icon, else "inactive" icon:         if (pdis->itemstate & ods_selected){              hcurricon = hsetc;}         else{             hcurricon = hsetoff;}         //if(tabroll == 5) hcurricon = hseton;     }      hdc hdc = createcompatibledc(pdis->hdc);     selectobject(hdc, hcurricon);  bitblt(pdis->hdc,0,         0,icon_width,         icon_height, hdc, 0, 0, srccopy);          deletedc(hdc);      return(ret_ok);  }

you can simplify dlgproc:

int_ptr callback springboard::dlgproc(hwnd hdlg, uint msg, wparam wparam, lparam lparam) {     switch (msg)     {     case wm_drawitem:         thespringboard.mymanageownerdrawiconbutton((drawitemstruct*)lp, hinstance);         break;     //...     return false; }

in mymanageownerdrawiconbutton, need these changes:

from hdc hdc = createcompatibledc(pdis->hdc);

to:

hdc hdc = pdis->hdc; , not need call deletedc(hdc);

change declaration of rect, doesn't have static.

rect rect = pdis->rcitem;

other static variables need initialized once, that's whole point of static:

static hbitmap hcurricon = (hbitmap) loadbitmap(hinstance, makeintresource(idb_something)); //...

ods_selected means button pressed down. may want use own global variables manually keep track of buttons, set selection , remove selection other buttons...

ps, added winapi tag question.


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