/// <summary>
/// Adds a child DisplayObject to this DisplayObjectContainer.
/// </summary>
/// <param name="child">DisplayObject to add.</param>
public void AddChild(DisplayObject child)
{
AddChildAt(-1, child);
}
/// <summary>
/// Adds a child DisplayObject to this DisplayObjectContainer at a specific index.
/// </summary>
/// <param name="index"></param>
/// <param name="child"></param>
public void AddChildAt(int index, DisplayObject child)
{
if (child.Name == null)
child.Name = "instance" + _displayList.Count;
if (!_displayList.Contains(child))
{
child.Parent = this;
if (AutoHeight)
{
int maxY = child.Y + child.Height;
if (maxY > Height)
Height = maxY;
}
// Pass the reference to child display object containers
if (child is DisplayObjectContainer)
((DisplayObjectContainer)child).Graphics = Graphics;
if (index == -1 || index > _displayList.Count - 1)
_displayList.Add(child);
else
_displayList.Insert(index, child);
}
}
/// <summary>
/// Removes the specified child DisplayObject from this DisplayObjectContainer.
/// </summary>
/// <param name="child">DisplayObject to remove.</param>
public void RemoveChild(DisplayObject child)
{
if (_displayList.Contains(child))
_displayList.Remove(child);
}
/// <summary>
/// Returns whether this container contains a child DisplayObject.
/// </summary>
/// <param name="child">DisplayObject to find.</param>
/// <returns></returns>
public bool Contains(DisplayObject child)
{
return _displayList.Contains(child);
}
/// <summary>
/// Flushes the rectangular area the DisplayObject occupies to the screen.
/// </summary>
/// <param name="displayObject">DisplayObject</param>
public static void Flush(DisplayObject displayObject)
{
Flush(displayObject.Parent.X + displayObject.X, displayObject.Parent.Y + displayObject.Y, displayObject.Width, displayObject.Height);
}
/// <summary>
/// Adds a child DisplayObject to this DisplayObjectContainer.
/// </summary>
/// <param name="child">DisplayObject to add.</param>
public void AddChild(DisplayObject child)
{
AddChildAt(-1, child);
}
/// <summary>
/// Returns whether this container contains a child DisplayObject.
/// </summary>
/// <param name="child">DisplayObject to find.</param>
/// <returns></returns>
public bool Contains(DisplayObject child)
{
return(_displayList.Contains(child));
}