/// <summary>
/// Provides the instance related to a location in the textbox
/// </summary>
/// <param name="location"></param>
/// <returns></returns>
protected INamable GetInstance(Point location)
{
// ReSharper disable once RedundantAssignment
INamable retVal = null;
int index = EditionTextBox.GetCharIndexFromPosition(location);
// Ensure that the index actually corresponds to the desired location
Point confirmLocation = EditionTextBox.GetPositionFromCharIndex(index);
int dX = Math.Abs(confirmLocation.X - location.X);
int dY = Math.Abs(confirmLocation.Y - location.Y);
int distance = (int)Math.Sqrt(dX * dX + dY * dY);
if (distance < 30)
{
retVal = GetInstance(index);
}
return(retVal);
}
