// accessors
// is this a valid tree item?
bool IsOk() const { return m_pItem != 0; }
+ // return true if this item is not valid
+ bool operator!() const { return !IsOk(); }
// operations
// invalidate the item
// deprecated: only for compatibility, don't work on 64 bit archs
wxTreeItemId(long item) { m_pItem = (wxTreeItemIdValue)item; }
operator long() const { return (long)m_pItem; }
-#endif // WXWIN_COMPATIBILITY_2_4
-
- wxTreeItemIdValue m_pItem;
- bool operator!() const { return !IsOk(); }
+#else // !WXWIN_COMPATIBILITY_2_4
operator bool() const { return IsOk(); }
+#endif // WXWIN_COMPATIBILITY_2_4/!WXWIN_COMPATIBILITY_2_4
+ wxTreeItemIdValue m_pItem;
};
inline bool operator==(const wxTreeItemId& i1, const wxTreeItemId& i2)
return i1.m_pItem == i2.m_pItem;
}
+inline bool operator!=(const wxTreeItemId& i1, const wxTreeItemId& i2)
+{
+ return i1.m_pItem != i2.m_pItem;
+}
+
// ----------------------------------------------------------------------------
// wxTreeItemData is some (arbitrary) user class associated with some item. The
// main advantage of having this class (compared to old untyped interface) is