PropertyGridSection _addSection(String sectionName)
{
Debug.Assert(Items[sectionName] == null);
PropertyGridSection section = new PropertyGridSection();
section.SectionName = sectionName;
int y = _calculateSectionsHeight();
_sections.Add(section);
_sectionPanel.Controls.Add(section);
section.Top = y;
section.Left = 0;
section.Width = _sectionPanel.Width;
section.Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top;
section.SizeChanged += new EventHandler(_section_SizeChanged);
section.SplitterMoving += new SplitterCancelEventHandler(_section_SplitterMoving);
section.SelectedItemChanged += new EventHandler(_section_SelectedItemChanged);
section.Owner = this;
_updateSectionPositions();
return(section);
}
void _removeSection(String name)
{
PropertyGridSection section = (PropertyGridSection)Items[name];
Debug.Assert(section != null && _sections.Contains(section));
section.SizeChanged -= _section_SizeChanged;
_sections.Remove(section);
section.Dispose();
_updateSectionPositions();
}
void _section_SelectedItemChanged(object sender, EventArgs e)
{
if (!_updatingSelection)
{
_updatingSelection = true;
_helpTextTitleLabel.Text = "";
_helpTextLabel.Text = "";
PropertyGridSection selectedSection = (PropertyGridSection)sender;
foreach (PropertyGridSection section in _sections)
{
if (selectedSection != section)
{
section.ResetSelectedItem();
}
else
{
PropertyGridItem selectedItem = section.SelectedItem;
if (selectedItem != null)
{
if (selectedItem.Description != null)
{
_helpTextTitleLabel.Text = selectedItem.Name;
_helpTextLabel.Text = selectedItem.Description;
}
_scrollToGridItem(selectedItem);
}
}
}
_updatingSelection = false;
}
}
public ItemCollection(PropertyGridSection owner)
{
_owner = owner;
}
