public PropertyEnumerator InsertRootCategory(PropertyEnumerator beforeCategory, int id, string catName)
{
if (beforeCategory == _activePropertyCollection.GetDeepEnumerator().RightBound)
return AppendRootCategory(id, catName);
System.Diagnostics.Debug.Assert(DisplayMode == PropertyGrid.DisplayModes.Categorized, "Properties can only be inserted in categorized mode.");
System.Diagnostics.Debug.Assert(beforeCategory.HasParent == false, "Root categories can only be inserted at the root.");
RootCategory category = new RootCategory(id, catName);
category.ParentGridInternal = _parentCtrl;
PropertyEnumerator propEnum = _activePropertyCollection.InsertBefore(beforeCategory, category);
// When there is no category yet or (when we are in SelectedObject and the new category should be the
// first one) then set the new category as the first displayed one
PropertyEnumerator catEnum = ((PropertyEnumerator)propEnum.Clone()).MovePrev();
if ((FirstDisplayedProperty == _activePropertyCollection.GetVisibleDeepEnumerator().RightBound) ||
(_parentCtrl.IsInsideSelectedObjects && (catEnum == propEnum.LeftBound)))
FirstDisplayedProperty = propEnum.GetVisibleDeepEnumerator();
InvalidateVisibleItemCount();
if (Handle != IntPtr.Zero) // necessary test ?
Invalidate();
CheckScrollbar();
_parentCtrl.OnPropertyCreated(new PropertyCreatedEventArgs(propEnum));
return propEnum;
}
public PropertyEnumerator AppendRootCategory(int id, string catName)
{
System.Diagnostics.Debug.Assert(DisplayMode == PropertyGrid.DisplayModes.Categorized, "Properties can only be inserted in categorized mode.");
RootCategory category = new RootCategory(id, catName);
category.ParentGridInternal = _parentCtrl;
PropertyEnumerator propEnum = _activePropertyCollection.Append(_activePropertyCollection.GetDeepEnumerator(), category);
if (FirstDisplayedProperty == _activePropertyCollection.GetVisibleDeepEnumerator().RightBound)
FirstDisplayedProperty = propEnum.GetVisibleDeepEnumerator();
InvalidateVisibleItemCount();
if (Handle != IntPtr.Zero) // necessary test ?
Invalidate();
if (FirstProperty.Count == 1)
SelectProperty(FirstProperty);
CheckScrollbar();
_parentCtrl.OnPropertyCreated(new PropertyCreatedEventArgs(propEnum));
return propEnum;
}