mfc - When panel collapsed, getting rect of button no longer works -


i've tried in several ways. deriving object cbcgpribbonbutton (same cmfcribbonbutton) , using getrect() within class, , having click event find button in ribbon , rect.

what happens rect relative window in. if panel collapsed, window in not ribbon bar gets wrong location.

i need way of getting location relative ribbon bar. ideas?

ok, trying figure out rect button:

enter image description here

when panel had collapsed:

enter image description here

this solution:

class cmybutton : public cbcgpribbonbutton {     declare_dyncreate(cheaderfooter)  public:     cmybutton()     {     };      cmybutton(         uint    nid,         lpctstr lpsztext,         int     nsmallimageindex = -1,         int     nlargeimageindex = -1,         bool    balwaysshowdescription = false)         : cbcgpribbonbutton(nid, lpsztext, nsmallimageindex, nlargeimageindex, balwaysshowdescription)     {     }      bool hasmenu() const override     {         return true;     }      cwnd* getbuttonwnd() const     {         cbcgpbaseribbonelement* pdroppeddown = m_pparent->getdroppeddown();         cwnd* pwnd;         if (pdroppeddown)  // popup opened collapsed panel ribbon?         {             pwnd = pdroppeddown->getpopupmenu()->getmenubar();         }         else         {             pwnd = m_pparent->getparentribbonbar();         }         return pwnd;     }      void onshowpopupmenu() override     {         crect rect = getrect();         // pt bottom left corner of button relative window         // contained in.         cpoint pt(rect.left, rect.bottom);         getbuttonwnd()->clienttoscreen(&pt); // convert pt screen coordinates          ... // other stuff point     } };  implement_dyncreate(cheaderfooter, cbcgpribbonbutton)

which determines cwnd button part of rect can converted correctly screen coordinates.


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