wxDataViewCtrl::Expand() only works on items whose parents are already

[wxWidgets.git] / src / propgrid / advprops.cpp

diff --git a/src/propgrid/advprops.cpp b/src/propgrid/advprops.cpp
index 72e1fcfb14867262920d0a33e3827cb96383b03c..dafde5ff54cfe05390b2a3f9b26fb2cbdaf3e317 100644 (file)
--- a/src/propgrid/advprops.cpp
+++ b/src/propgrid/advprops.cpp
@@ -449,6 +449,7 @@ WX_PG_IMPLEMENT_INTERNAL_EDITOR_CLASS(DatePickerCtrl,
 
 wxPGDatePickerCtrlEditor::~wxPGDatePickerCtrlEditor()
 {
+    wxPG_EDITOR(DatePickerCtrl) = NULL;
 }
 
 wxPGWindowList wxPGDatePickerCtrlEditor::CreateControls( wxPropertyGrid* propgrid,