/// <summary>
/// Clears the selection, and ignores the affected area.
/// </summary>
/// <param name="self">This selectable item</param>
/// <returns>Boolean, true if members were removed from the selection</returns>
public static bool ClearSelection(this ISelectable self)
{
Envelope ignoreMe;
return(self.ClearSelection(out ignoreMe, true));
}
