X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7093413895ea0c67d895951d06f2dbece363f809..0dd9b9e2be1809f484b6447ad9525fa5b404ad95:/include/wx/treectrl.h

diff --git a/include/wx/treectrl.h b/include/wx/treectrl.h
index e964012a4f..a8693594b3 100644
--- a/include/wx/treectrl.h
+++ b/include/wx/treectrl.h
@@ -24,7 +24,7 @@
 #include "wx/treebase.h"
 #include "wx/textctrl.h" // wxTextCtrl::ms_classinfo used through CLASSINFO macro
 
-class WXDLLEXPORT wxImageList;
+class WXDLLIMPEXP_FWD_CORE wxImageList;
 
 // ----------------------------------------------------------------------------
 // wxTreeCtrlBase
@@ -123,7 +123,7 @@ public:
 
         // set items label
     virtual void SetItemText(const wxTreeItemId& item, const wxString& text) = 0;
-        // get one of the images associated with the item (normal by default)
+        // set one of the images associated with the item (normal by default)
     virtual void SetItemImage(const wxTreeItemId& item,
                               int image,
                               wxTreeItemIcon which = wxTreeItemIcon_Normal) = 0;
@@ -172,6 +172,9 @@ public:
     virtual bool IsSelected(const wxTreeItemId& item) const = 0;
         // is item text in bold font?
     virtual bool IsBold(const wxTreeItemId& item) const = 0;
+        // is the control empty?
+    bool IsEmpty() const;
+
 
     // number of children
     // ------------------
@@ -287,12 +290,16 @@ public:
 
         // expand this item
     virtual void Expand(const wxTreeItemId& item) = 0;
-        // expand the item and all its childs and thats childs
+        // expand the item and all its children recursively
     void ExpandAllChildren(const wxTreeItemId& item);
         // expand all items
     void ExpandAll();
         // collapse the item without removing its children
     virtual void Collapse(const wxTreeItemId& item) = 0;
+        // collapse the item and all its children
+    void CollapseAllChildren(const wxTreeItemId& item);
+        // collapse all items
+    void CollapseAll();
         // collapse the item and remove all children
     virtual void CollapseAndReset(const wxTreeItemId& item) = 0;
         // toggles the current state