/// <summary>
/// Data is guaranteed to be non-null and to be the data which is being
/// detached. However, its fields may have changed since it was attached.
/// </summary>
private void DetachData()
{
this.Data.Changed -= new EventHandler(this.HandleDataChanged);
if (myOverlay != null)
{
myOverlay.MylarSizeChanged -= new EventHandler(this.HandleMylarSizeChanged);
myOverlay.Scrolled -= new EventHandler(this.HandleMylarScrollValueChanged);
myOverlay = null;
}
}
/// <summary>
/// Data is guaranteed to be non-null and to be the data which is being
/// attached.
/// </summary>
private void AttachData()
{
this.Data.Changed += new EventHandler(this.HandleDataChanged);
if (this.Data.Overlay != null)
{
myOverlay = this.Data.Overlay;
myOverlay.MylarSizeChanged += new EventHandler(this.HandleMylarSizeChanged);
myOverlay.Scrolled += new EventHandler(this.HandleMylarScrollValueChanged);
this.AlignScrollBar();
}
}
