-// Call this repeatedly for several wnds to find the overall size
-// of the widget.
-// Call it initially with -1 for all values in rect.
-// Keep calling for other widgets, and rect will be modified
-// to calculate largest bounding rectangle.
-void wxFindMaxSize(WXHWND wnd, RECT *rect)
-{
- int left = rect->left;
- int right = rect->right;
- int top = rect->top;
- int bottom = rect->bottom;
+ // create the control visible if it's currently shown for wxWidgets
+ if ( m_isShown )
+ {
+ style |= WS_VISIBLE;
+ }
+
+ // choose the position for the control: we have a problem with default size
+ // here as we can't calculate the best size before the control exists
+ // (DoGetBestSize() may need to use m_hWnd), so just choose the minimal
+ // possible but non 0 size because 0 window width/height result in problems
+ // elsewhere
+ int x = pos.x == wxDefaultCoord ? 0 : pos.x,
+ y = pos.y == wxDefaultCoord ? 0 : pos.y,
+ w = size.x == wxDefaultCoord ? 1 : size.x,
+ h = size.y == wxDefaultCoord ? 1 : size.y;
+
+ // ... and adjust it to account for a possible parent frames toolbar
+ AdjustForParentClientOrigin(x, y);
+
+ m_hWnd = (WXHWND)::CreateWindowEx
+ (
+ exstyle, // extended style
+ classname, // the kind of control to create
+ label.wx_str(), // the window name
+ style, // the window style
+ x, y, w, h, // the window position and size
+ GetHwndOf(GetParent()), // parent
+ (HMENU)wxUIntToPtr(GetId()), // child id
+ wxGetInstance(), // app instance
+ NULL // creation parameters
+ );
+
+ if ( !m_hWnd )
+ {
+#ifdef __WXDEBUG__
+ wxLogLastError(wxString::Format
+ (
+ _T("CreateWindowEx(\"%s\", flags=%08lx, ex=%08lx)"),
+ classname, style, exstyle
+ ));
+#endif // __WXDEBUG__
+
+ return false;
+ }
+
+ // saving the label in m_labelOrig to return it verbatim
+ // later in GetLabel()
+ m_labelOrig = label;
+
+ // install wxWidgets window proc for this window
+ SubclassWin(m_hWnd);