public void SyncChildren()
{
_selectedIndex = _itemSelect.SelectedIndex;
// If we do not have enough already
if (Count < _imageIndexCount)
{
// Create and add the number extra needed
int create = _imageIndexCount - Count;
for (int i = 0; i < create; i++)
{
Add(new ViewDrawMenuImageSelectItem(_viewManager, _itemSelect, _triple, this, _needPaint));
}
}
else if (Count > _imageIndexCount)
{
// Destroy the extra ones no longer needed
int remove = Count - _imageIndexCount;
for (int i = 0; i < remove; i++)
{
RemoveAt(0);
}
}
// Tell each item the image it should be displaying
for (int i = 0; i < _imageIndexCount; i++)
{
int imageIndex = i + _imageIndexStart;
ViewDrawMenuImageSelectItem item = (ViewDrawMenuImageSelectItem)this[i];
item.ImageList = _imageList;
item.ImageIndex = imageIndex;
item.Checked = (_selectedIndex == imageIndex);
item.Enabled = _enabled;
}
}
/// <summary>
/// Initialize a new instance of the ImageSelectController class.
/// </summary>
/// <param name="viewManager">Owning view manager instance.</param>
/// <param name="target">Target for state changes.</param>
/// <param name="layout">Reference to layout of the image items.</param>
/// <param name="needPaint">Delegate for notifying paint requests.</param>
public MenuImageSelectController(ViewContextMenuManager viewManager,
ViewDrawMenuImageSelectItem target,
ViewLayoutMenuItemSelect layout,
NeedPaintHandler needPaint)
{
Debug.Assert(viewManager != null);
Debug.Assert(target != null);
Debug.Assert(layout != null);
Debug.Assert(needPaint != null);
_mousePoint = CommonHelper.NullPoint;
_viewManager = viewManager;
_target = target;
_layout = layout;
NeedPaint = needPaint;
}