+namespace
+{
+
+// Work around a problem with TreeView_GetItemRect() when using MinGW/Cygwin:
+// it results in warnings about breaking strict aliasing rules because HITEM is
+// passed via a RECT pointer, so use a union to avoid them and define our own
+// version of the standard macro using it.
+union TVGetItemRectParam
+{
+ RECT rect;
+ HTREEITEM hItem;
+};
+
+inline bool
+wxTreeView_GetItemRect(HWND hwnd,
+ HTREEITEM hItem,
+ TVGetItemRectParam& param,
+ BOOL fItemRect)
+{
+ param.hItem = hItem;
+ return ::SendMessage(hwnd, TVM_GETITEMRECT, fItemRect,
+ (LPARAM)¶m) == TRUE;
+}
+
+} // anonymous namespace
+