/// <summary>
/// box の移動中
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Box_ManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
{
// box の中心が他のboxに入ったときに入れ替える
var box1 = sender as BoxViewEx;
double x1 = box1.Bounds.Left + box1.Bounds.Width / 2;
double y1 = box1.Bounds.Top + box1.Bounds.Height / 2;
// 1.中心が他のboxに入っていないか調べる
try {
var box2 = boxes
.Where(x => x != box1)
.SingleOrDefault<BoxViewEx>(x => x.Bounds.Contains(x1, y1));
if (box2 == null) return;
if (_flag == true) return;
_flag = true;
// 2.中心に入っていれば、空位置へ移動する
var b = boxBlank;
boxBlank = box2.Bounds;
box2.LayoutTo(b).ContinueWith((_) => { _flag = false; });
}catch
{
return;
}
}
public virtual void OnManipulationDelta(object sender, ManipulationDeltaRoutedEventArgs e)
{
var rc = this.Bounds;
rc.X += e.Delta.Translation.X;
rc.Y += e.Delta.Translation.Y;
this.Layout(rc);
if (ManipulationDelta != null) ManipulationDelta(sender, e);
}
