zedgraphweb自动缩放并显示坐标值

sakuram 2011-06-08 04:31:16

winform中的zedgraph控件可以自动缩放，并且当鼠标移动到某个点时，可以显示横纵坐标值，在webform中怎么实现这两个功能？？

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AccessZHB 2012-01-17

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http://sunxitao88.blog.163.com/blog/static/683144392008628101837311/

AccessZHB 2012-01-17

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http://sunxitao88.blog.163.com/blog/static/683144392008628101837311/ 详细

bone_love 2011-11-15

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private void zedGraphControl2_MouseMove(object sender, MouseEventArgs e)
{
PointF mousePt = new PointF(e.X, e.Y);
GraphPane myPane = this.zedGraphControl2.GraphPane;

string tooltip = string.Empty;

// Find the Chart rect that contains the current mouse location
ZedGraphControl s = (ZedGraphControl)sender;
GraphPane pane = s.MasterPane.FindChartRect(mousePt);

// If pane is non-null, we have a valid location. Otherwise, the mouse is not
// within any chart rect.
if (pane != null)
{
double x, y;
// Convert the mouse location to X, and Y scale values
pane.ReverseTransform(mousePt, out x, out y);
// 获取横纵坐标信息
tooltip = "(坐标x:" + x.ToString("f6") + ",坐标y: " + y.ToString("f6") + ")";
}
// this.zedGraphControl1.GraphPane.Title.Text = tooltip;
myPane.XAxis.Title.Text = tooltip;
this.zedGraphControl2.Refresh();

}

bone_love 2011-11-15

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public void zedshowN( ZedGraphControl zg,int n)
{
//zg.GraphPane.CurveList[n]
try
{
zg.GraphPane.CurveList[n].IsVisible = true;
//zg.ZoomOutAll(zg.GraphPane);
zg.RestoreScale(zg.GraphPane);
zg.AxisChange();
zg.Refresh();
}
catch{}

}

AccessZHB 2011-11-02