wxComboBox

wxPython Users
1

Hi,

the wxComboControl class has a public method

     // return TRUE if the popup is currently shown
     bool IsPopupShown() const { return m_isPopupShown; }

The wxComboBox class is publicly derived from wxComboControl:

class WXDLLEXPORT wxComboBox : public wxComboControl, public wxComboBoxBase

However, the following code generates
         error C2039: 'IsPopupShown' : is not a member of 'wxComboBox'
Why's that?

wxWindow* ww = wxWindow::FindFocus();
wxComboBox* wco = wxDynamicCast(ww, wxComboBox);
if (wco != NULL)
{ bool b = wco->IsPopupShown();
}

Thank you,

Cristina.

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2

C. Iacob wrote:

Hi,

the wxComboControl class has a public method

    // return TRUE if the popup is currently shown
    bool IsPopupShown() const { return m_isPopupShown; }

The wxComboBox class is publicly derived from wxComboControl:

class WXDLLEXPORT wxComboBox : public wxComboControl, public wxComboBoxBase

If you take a closer look you'll see that this version of the wxComboBox is only for the wxUniversal port, and that wxComboControl is just an implementation detail of that port. If it was meant to be a public API visible across all ports then IsPopupShown would be in the wxComboBoxBase class.

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Robin Dunn
Software Craftsman
http://wxPython.org Java give you jitters? Relax with wxPython!