/// <summary>
/// Restores the state of this <see cref="VerticesControlGraphic"/>.
/// </summary>
/// <param name="memento">The object that was originally created with <see cref="VerticesControlGraphic.CreateMemento"/>.</param>
public override void SetMemento(object memento)
{
PointsMemento pointsMemento = memento as PointsMemento;
if (pointsMemento == null)
{
throw new ArgumentException("The provided memento is not the expected type.", "memento");
}
_suspendSubjectPointChangeEvents = true;
this.Subject.CoordinateSystem = CoordinateSystem.Source;
try
{
int numPoints = Math.Min(this.Subject.Points.Count, pointsMemento.Count);
for (int n = 0; n < numPoints; n++)
{
this.Subject.Points[n] = pointsMemento[n];
}
for (int n = numPoints; n < this.Subject.Points.Count; n++)
{
this.Subject.Points.RemoveAt(numPoints);
}
for (int n = numPoints; n < pointsMemento.Count; n++)
{
this.Subject.Points.Add(pointsMemento[n]);
}
}
finally
{
this.Subject.ResetCoordinateSystem();
_suspendSubjectPointChangeEvents = false;
this.OnSubjectPointsChanged(this, new EventArgs());
}
}
/// <summary>
/// Captures the current state of this <see cref="LineSegmentStretchControlGraphic"/>.
/// </summary>
public override object CreateMemento()
{
PointsMemento pointsMemento = new PointsMemento();
this.Subject.CoordinateSystem = CoordinateSystem.Source;
try
{
pointsMemento.Add(this.Subject.Point1);
pointsMemento.Add(this.Subject.Point2);
}
finally
{
this.Subject.ResetCoordinateSystem();
}
return(pointsMemento);
}
/// <summary>
/// Captures the current state of this <see cref="VerticesControlGraphic"/>.
/// </summary>
public override object CreateMemento()
{
PointsMemento pointsMemento = new PointsMemento();
this.Subject.CoordinateSystem = CoordinateSystem.Source;
try
{
foreach (PointF point in this.Subject.Points)
{
pointsMemento.Add(point);
}
}
finally
{
this.Subject.ResetCoordinateSystem();
}
return(pointsMemento);
}
/// <summary>
/// Restores the state of this <see cref="LineSegmentStretchControlGraphic"/>.
/// </summary>
/// <param name="memento">The object that was originally created with <see cref="LineSegmentStretchControlGraphic.CreateMemento"/>.</param>
public override void SetMemento(object memento)
{
PointsMemento pointsMemento = memento as PointsMemento;
if (pointsMemento == null || pointsMemento.Count != 2)
{
throw new ArgumentException("The provided memento is not the expected type.", "memento");
}
this.Subject.CoordinateSystem = CoordinateSystem.Source;
try
{
this.Subject.Point1 = pointsMemento[0];
this.Subject.Point2 = pointsMemento[1];
}
finally
{
this.Subject.ResetCoordinateSystem();
}
}
public bool Equals(PointsMemento other)
{
if (this == other)
{
return(true);
}
if (other == null || this.Count != other.Count)
{
return(false);
}
for (int i = 0; i < this.Count; i++)
{
if (this[i] != other[i])
{
return(false);
}
}
return(true);
}
