X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e624f5ba66250b2139b1ab504cdf2d4794165d6d..44f5b995740b69ba222e92a5f7da87080afe4367:/src/generic/dirctrlg.cpp?ds=sidebyside

diff --git a/src/generic/dirctrlg.cpp b/src/generic/dirctrlg.cpp
index c1bda3cbd6..b42f9d6d9e 100644
--- a/src/generic/dirctrlg.cpp
+++ b/src/generic/dirctrlg.cpp
@@ -79,7 +79,7 @@
 #endif
 #include <stdlib.h>
 #include <ctype.h>
-
+extern bool wxIsDriveAvailable(const wxString& dirName);
 #endif // __WXPM__
 
 #if defined(__WXMAC__)
@@ -530,7 +530,7 @@ void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, in
     wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
 
     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
-            
+
     m_treeCtrl->SetItemHasChildren(id);
 }
 
@@ -540,7 +540,7 @@ void wxGenericDirCtrl::SetupSections()
     wxArrayInt icons;
 
     size_t n, count = wxGetAvailableDrives(paths, names, icons);
-      
+
     for (n = 0; n < count; n++)
     {
         AddSection(paths[n], names[n], icons[n]);
@@ -614,7 +614,9 @@ void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 
     // VS: this is needed because the event handler is called from wxTreeCtrl
     //     ctor when wxTR_HIDE_ROOT was specified
-    if (m_rootId == 0)
+
+    if (!m_rootId.IsOk())
+
         m_rootId = m_treeCtrl->GetRootItem();
 
     ExpandDir(parentId);