【发布时间】:2009-05-02 20:32:39
【问题描述】:
如何为 ZedGraph 图表中绘制的每个点显示标签?
【问题讨论】:
标签: asp.net charts controls zedgraph
如何为 ZedGraph 图表中绘制的每个点显示标签?
【问题讨论】:
标签: asp.net charts controls zedgraph
由于该站点现在已关闭,这里有一个代码 sn-p 来举例说明如何做到这一点:
myLine.GetRange(out other, out other, out minY, out maxY, false, false, myPane);
double Yinterval = Math.Abs(maxY - minY) / 25;
// Loop to add text labels to the points
for (int i = 0; i < tempPoints.Count; i++) {
// Get the pointpair
ZedGraph.PointPair pt = tempPoints[i];
// Create a text label from the Y data value
ZedGraph.TextObj text = new ZedGraph.TextObj(pt.Y.ToString(), pt.X, pt.Y + Yinterval,
ZedGraph.CoordType.AxisXYScale, ZedGraph.AlignH.Left, ZedGraph.AlignV.Center);
text.FontSpec.FontColor = tempHolder.Color;
text.ZOrder = ZedGraph.ZOrder.A_InFront;
// Hide the border and the fill
text.FontSpec.Border.IsVisible = false;
text.FontSpec.Fill.IsVisible = false;
text.FontSpec.Size = 10f;
text.FontSpec.Angle = 45;
string lblString = "name";
Link lblLink = new Link(lblString, "#", "");
text.Link = lblLink;
myPane.GraphObjList.Add(text);
}
【讨论】:
对于每个点,使用您的标签文本创建一个文本对象,并将其添加到图表中。
Point Label Demo 演示...
【讨论】: