protected override bool MsGraphControlOnMouseDownEvent(ZedGraphControl sender, MouseEventArgs e)
{
_peakResize = null;
if (base.MsGraphControlOnMouseDownEvent(sender, e))
{
return(true);
}
if ((_peakResize = PeakResizeFromPoint(e.Location)) != null)
{
sender.Cursor = _peakResize.GetCursor();
return(true);
}
return(false);
}
protected override bool MsGraphControlOnMouseMoveEvent(ZedGraphControl sender, MouseEventArgs e)
{
if (_peakResize != null)
{
var peakDisplay = _peakResize.PeakDisplay;
PointPair[] points = new[]
{
new PointPair(peakDisplay.Start, peakDisplay.Height),
new PointPair(peakDisplay.End, peakDisplay.Height),
};
var screenPt = new PointF(e.Location.X - _peakResize.MousePt.X + _peakResize.CoordPt.X, _peakResize.CoordPt.Y);
double x, y;
MsGraphControl.GraphPane.ReverseTransform(screenPt, out x, out y);
switch (_peakResize.LineSegment)
{
case LineSegment.Start:
points[0] = new PointPair(x, points[0].Y);
break;
case LineSegment.End:
points[1] = new PointPair(x, points[0].Y);
break;
case LineSegment.Middle:
points = new[]
{
new PointPair(x, points[0].Y),
new PointPair(x - points[0].X + points[1].X, points[1].Y)
};
break;
}
if (peakDisplay.HorizontalLine != null)
{
peakDisplay.HorizontalLine.RemovePoint(1);
peakDisplay.HorizontalLine.RemovePoint(0);
peakDisplay.HorizontalLine.AddPoint(points[0]);
peakDisplay.HorizontalLine.AddPoint(points[1]);
}
foreach (var lineItemPt in new[] {
new KeyValuePair <LineItem, PointPair>(peakDisplay.StartVerticalLine, points[0]),
new KeyValuePair <LineItem, PointPair>(peakDisplay.EndVerticalLine, points[1])
})
{
if (lineItemPt.Key == null)
{
continue;
}
lineItemPt.Key.RemovePoint(1);
lineItemPt.Key.RemovePoint(0);
lineItemPt.Key.AddPoint(new PointPair(lineItemPt.Value.X, peakDisplay.Height));
lineItemPt.Key.AddPoint(new PointPair(lineItemPt.Value.X, 0));
}
MsGraphControl.Invalidate();
sender.Cursor = _peakResize.GetCursor();
return(true);
}
if (base.MsGraphControlOnMouseMoveEvent(sender, e))
{
return(true);
}
PeakResize peakResize = PeakResizeFromPoint(e.Location);
if (peakResize != null)
{
sender.Cursor = peakResize.GetCursor();
return(true);
}
return(false);
}
protected override bool MsGraphControlOnMouseDownEvent(ZedGraphControl sender, MouseEventArgs e)
{
_peakResize = null;
if (base.MsGraphControlOnMouseDownEvent(sender, e))
{
return true;
}
if ((_peakResize = PeakResizeFromPoint(e.Location)) != null)
{
sender.Cursor = _peakResize.GetCursor();
return true;
}
return false;
}
