Property removal and deletion done from wxPropertyGrid event handler is now postponed to idle event

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63534 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/propgrid/propgrid.h

@@ -1808,6 +1808,10 @@ protected:
     /** Appearance of a unspecified value cell. */
     wxPGCell            m_unspecifiedAppearance;
 
+    /** List of properties to be deleted/removed in idle event handler. */
+    wxArrayPGProperty   m_deletedProperties;
+    wxArrayPGProperty   m_removedProperties;
+
     //
     // Temporary values
     //

include/wx/propgrid/propgridiface.h

@@ -240,18 +240,34 @@ public:
     bool ChangePropertyValue( wxPGPropArg id, wxVariant newValue );
 
     /**
-        Deletes a property by id. If category is deleted, all children are
-        automatically deleted as well.
-     */
+        Removes and deletes a property and any children.
+
+        @param id
+            Pointer or name of a property.
+
+        @remarks If you delete a property in a wxPropertyGrid event
+                 handler, the actual deletion is postponed until the next
+                 idle event.
+
+                 This functions deselects selected property, if any.
+                 Validation failure option wxPG_VFB_STAY_IN_PROPERTY is not
+                 respected, ie. selection is cleared even if editor had
+                 invalid value.
+    */
     void DeleteProperty( wxPGPropArg id );
 
     /**
-        Removes and returns a property.
+        Removes a property. Does not delete the property object, but
+        instead returns it.
 
         @param id
             Pointer or name of a property.
 
         @remarks Removed property cannot have any children.
+
+                 Also, if you remove property in a wxPropertyGrid event
+                 handler, the actual removal is postponed until the next
+                 idle event.
     */
     wxPGProperty* RemoveProperty( wxPGPropArg id );