/// フィールドを初期化
private void Clear()
{
this.target = null;
this.hitMode = HitModes.Neutral;
this.mouseOffset = null;
this.originalLTRB = null;
this.snapGuide = null;
this.lastUpdateControl = 0;
this.MousePoint = null;
this.ShouldUpdateControl = false;
}
//===================================================================
// 動作
//===================================================================
/// 開始
public void Start(LayoutElement target, HitModes hitMode,
RelativePoint mousePoint, SnapGuide snapGuide)
{
this.target = target;
this.hitMode = hitMode;
this.mouseOffset = new RelativeMouseOffset(target, mousePoint);
this.originalLTRB = new RelativeLTRB(target.BoundRelativeLeft,
target.BoundRelativeTop,
target.BoundRelativeRight,
target.BoundRelativeBottom);
this.snapGuide = snapGuide;
this.lastUpdateControl = Environment.TickCount;
this.MousePoint = mousePoint;
this.ShouldUpdateControl = false;
}