如何重设Zed图形以重绘 [英] How to reset zed graph for redraw

问题描述

您好，先生，
我今天是Satardekar.

我会根据组合框选择在单击按钮时使用 zed图形显示饼图.

第一次单击时效果很好.

现在，当我再次单击时，我想重置先前的图形并显示新图形.

或当我点击重置"按钮时，必须清除图形.

请给我解决方法.

我的代码是这样的，

Hi sir ,
I am uday Satardekar.

I am showing pie chart using zed graph on button click depending upon combobox selection.

First time when i clicked it works nice.

Now when again i clicked,i want to reset previous graph.and display new graph.

or when i clik reset button it have to clear the graph.

please give me solution.

my code is like this,

GraphPane myPane = zgc.GraphPane;
            myPane.Border.IsVisible = false;
            myPane.Legend.IsVisible = false;

            myPane.Title.FontSpec.Size = 24;
            myPane.Legend.FontSpec.Size = 50;

            Color color = CreateRandomColor();
                    

            for (int i = 0; i < getCategoryTable().Rows.Count; i++)
            {
               // myPane.Title.Text = Convert.ToString(getCategoryTable().Rows[i]["categoryname"]);
                myPane.AddPieSlice(getCategoryCount(Convert.ToInt32(getCategoryTable().Rows[i]["ID"])), color, 0.01, Convert.ToString(getCategoryTable().Rows[i]["categoryname"]));
                
            }

推荐答案

现在我得到了这样的解决方案.

Now I got solution like this.

zedGraphControl2.GraphPane.CurveList.Clear();
            zedGraphControl2.AxisChange();
            zedGraphControl2.Invalidate();
            zedGraphControl2.GraphPane.Title.Text = "";

它对我有用

its working for me

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