/// <summary>
/// 画图
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
if (this.DesignMode)
{
///Y坐标轴
_mainPanel.YAxisList.Clear();
_mainPanel.YAxisList.Add(new MedAxis(this.Font, Brushes.Black, 100, 0, 20));
_mainPanel.YAxisList.MinSetp = 1;
_mainPanel.YAxisList.Pen.Color = Color.Black;
///X坐标轴
_mainPanel.XAxisList.Clear();
MedAxis axis = new MedAxis(this.Font, Brushes.Black, 10, 1, 1f);
_mainPanel.XAxisList.Add(axis);
_mainPanel.XAxisList.MinSetp = 1;
_mainPanel.XAxisList.Pen.Color = Color.Black;
///其他属性
_mainPanel.LeftMargin = 10;
_mainPanel.BottomMargin = 20;
_mainPanel.RectBorderPen = Pens.Gray;
_mainPanel.HasAxisGridLine = false;
_mainPanel.XAxisTitleAtTop = false;
_mainPanel.CurveList.Clear();
MedPointList points = new MedPointList();
points.Add(1, 10);
points.Add(2, 40);
points.Add(3, 20);
points.Add(4, 80);
points.Add(5, 50);
points.Add(6, 70);
points.Add(7, 60);
points.Add(8, 100);
points.Add(9, 90);
points.Add(10, 0);
MedCurve curve = new MedCurve(points);
_mainPanel.CurveList.Add(curve);
}
///隐藏滚动条
///如果没有坐标轴则不作图
if ((_mainPanel.XAxisList.Count == 0) || (_mainPanel.YAxisList.Count == 0))
{
return;
}
_mainPanel.DrawGraph(e.Graphics);
///绘制光标位置
if (_drawcursorpos)
{
DrawCursorPos(e.Graphics);
}
}
public MedPointList SubPoints(float minvalue, float maxvalue)
{
MedPointList points = new MedPointList();
foreach (MedPoint point in _points)
{
if ((point.X >= minvalue) && (point.X < maxvalue))
{
points.Add(point.X, point.Y);
}
}
return(points);
}