From 3b22d9a56bd5b3f3365fda346bb8486ad79fb428 Mon Sep 17 00:00:00 2001
From: Robin Dunn <robin@alldunn.com>
Date: Wed, 24 Jan 2018 17:59:25 +0100
Subject: [PATCH] Test wxTreeListCtrl::DeleteAllItems() in the sample

Add a menu command to invoke this method for testing.
---
 samples/treelist/treelist.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/samples/treelist/treelist.cpp b/samples/treelist/treelist.cpp
index 2bdc74507a..0614f0ef84 100644
--- a/samples/treelist/treelist.cpp
+++ b/samples/treelist/treelist.cpp
@@ -65,6 +65,8 @@ enum
     Id_CheckboxesUser3State,
     Id_Checkboxes_End,
 
+    Id_DeleteAllItems,
+
     Id_DumpSelection,
     Id_Check_HTMLDocs,
     Id_Uncheck_HTMLDocs,
@@ -187,6 +189,8 @@ private:
     void OnAbout(wxCommandEvent& event);
     void OnExit(wxCommandEvent& event);
 
+    void OnDeleteAllItems(wxCommandEvent& event);
+
     void OnSelectionChanged(wxTreeListEvent& event);
     void OnItemExpanding(wxTreeListEvent& event);
     void OnItemExpanded(wxTreeListEvent& event);
@@ -272,6 +276,8 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)
     EVT_MENU(wxID_EXIT, MyFrame::OnExit)
 
+    EVT_MENU(Id_DeleteAllItems, MyFrame::OnDeleteAllItems)
+
     EVT_TREELIST_SELECTION_CHANGED(wxID_ANY, MyFrame::OnSelectionChanged)
     EVT_TREELIST_ITEM_EXPANDING(wxID_ANY, MyFrame::OnItemExpanding)
     EVT_TREELIST_ITEM_EXPANDED(wxID_ANY, MyFrame::OnItemExpanded)
@@ -314,6 +320,8 @@ MyFrame::MyFrame()
     treeOper->Append(Id_Indet_HTMLDocs, "Make Doc/HTML &indeterminate\tCtrl-I");
     treeOper->Append(Id_Select_HTMLDocs, "&Select Doc/HTML item\tCtrl-S");
 
+    treeOper->Append(Id_DeleteAllItems, "DeleteAllItems");
+
     wxMenu* helpMenu = new wxMenu;
     helpMenu->Append(wxID_ABOUT);
 
@@ -577,6 +585,11 @@ void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
     Close(true);
 }
 
+void MyFrame::OnDeleteAllItems(wxCommandEvent& WXUNUSED(event))
+{
+    m_treelist->DeleteAllItems();
+}
+
 wxString MyFrame::DumpItem(wxTreeListItem item) const
 {
     return item.IsOk() ? m_treelist->GetItemText(item) : wxString("NONE");