private void ResizableRect_SizeChanged(object sender, SizeChangedEventArgs e)
{
Point p = ResizableRect.TranslatePoint(o, DrawLineAndPoint);
double w = ResizableRect.Width;
if (p.X < 0)
{
//this.SetValue(ResizableRect,
Canvas.SetLeft(ResizableRect, 0);
ResizableRect.Width += p.X;
return;
}
else if (p.X + ResizableRect.Width > this.DrawLineAndPoint.Width)
{
Canvas.SetRight(ResizableRect, this.DrawLineAndPoint.Width);
ResizableRect.Width -= ResizableRect.Width - this.DrawLineAndPoint.Width + p.X;
return;
}
Size newsize = e.NewSize;
SelectedData.Vect1 = p.X * this.everyDisForPiexl.Vect1;
SelectedData.Vect2 = (p.X + newsize.Width) * this.everyDisForPiexl.Vect1;
//NOTICE: invoke event here!
PassValuesEventArgs args = new PassValuesEventArgs(SelectedData);
this.PassValuesEvent(this, args);
}
///// <summary>
///// 渲染事件
///// </summary>
///// <param name="drawingContext"></param>
//protected override void OnRender(DrawingContext drawingContext)
//{
// base.OnRender(drawingContext);
//}
/// <summary>
/// 加载事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MyChart_Loaded(object sender, RoutedEventArgs e)
{
var layer = AdornerLayer.GetAdornerLayer(DrawLineAndPoint);
//foreach (UIElement ui in DrawLineAndPoint.Children)
layer.Add(new ResizeAdorner(ResizableRect));
this.xExtremeValue.Vect1 = 0;
this.xExtremeValue.Vect2 = SourceData.Count;
this.yExtremeValue.Vect1 = SourceData.Min();
this.yExtremeValue.Vect2 = SourceData.Max();
double xx = this.xExtremeValue.Vect2 - this.xExtremeValue.Vect1;
double yy = this.yExtremeValue.Vect2 - this.yExtremeValue.Vect1 + 50000;
this.everyDisForPiexl = new VectorChart2(xx / DrawLineAndPoint.Width, yy / DrawLineAndPoint.Height);
Point p = ResizableRect.TranslatePoint(o, DrawLineAndPoint);
SelectedData.Vect1 = p.X * this.everyDisForPiexl.Vect1;
SelectedData.Vect2 = (p.X + this.ResizableRect.Width) * this.everyDisForPiexl.Vect1;
this.AppendData(SourceData);
}