private void InitializeThumb()
{
ThumbPicker.Width = ThumbSize;//20
ThumbPicker.Height = ThumbSize;
ControlTemplate template = new ControlTemplate(typeof(Thumb));
template.VisualTree = new FrameworkElementFactory(typeof(Grid), "tempGrid");
ThumbPicker.Template = template;
ThumbPicker.ApplyTemplate();
Grid myGrid = (Grid)ThumbPicker.Template.FindName("tempGrid", ThumbPicker);
var eBlack = new Ellipse();
eBlack.Width = ThumbSize;//20
eBlack.Height = ThumbSize;
eBlack.Stroke = new SolidColorBrush(Colors.Black);
eBlack.Fill = new SolidColorBrush(Colors.Transparent);
var eWhite = new Ellipse();
eWhite.Width = ThumbSize - 2;//18
eWhite.Height = ThumbSize - 2;
eWhite.Stroke = new SolidColorBrush(Colors.White);
myGrid.Children.Add(eBlack);
myGrid.Children.Add(eWhite);
//myGrid.Background = new SolidColorBrush(Colors.Transparent);
ThumbPicker.DragDelta += ThumbPicker_DragDelta;
ThumbPicker.PreviewMouseLeftButtonDown += ThumbPicker_PreviewMouseLeftButtonDown;
}
private void ImageSV_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Image i = (Image)sender;
Point p = e.GetPosition(i);
//SV画像のクリック位置とThumbの位置の差を記録
PointDiff = new Point(p.X - UpDownS.Value, p.Y - UpDownV.Value);
UpDownS.Value = (int)p.X;
UpDownV.Value = (int)p.Y;
// 単体テストコードでコントロールのイベントを発生させる - ABCの海岸で
//http://d.hatena.ne.jp/abcneet/20110620/1308551640
//Thumbにクリックイベント発生させてそのままThumbのドラッグ移動開始させる
ThumbPicker.RaiseEvent(e);
}
