/// <summary>
/// 根据数据创建一个图形展现
/// </summary>
/// <param name="caption">图形标题</param>
/// <param name="viewType">图形类型</param>
/// <param name="dt">数据DataTable</param>
/// <param name="rowIndex">图形数据的行序号</param>
/// <returns></returns>
private Series CreateOldSeries(string caption, ViewType viewType, DataTable dt, int rowIndex)
{
seriesCommon.Points.Clear();
Series series = seriesCommon;
int curMonth = System.DateTime.Now.Month;
int curYear = System.DateTime.Now.Year;
// int dataYear = int.Parse(caption);
if (dt == null)
{
return(null);
}
DevExpress.XtraCharts.PieSeriesView pieSeriesView1 = new DevExpress.XtraCharts.PieSeriesView();
DevExpress.XtraCharts.SeriesTitle seriesTitle1 = new DevExpress.XtraCharts.SeriesTitle();
seriesTitle1.Text = caption;
pieSeriesView1.Titles.AddRange(new DevExpress.XtraCharts.SeriesTitle[] {
seriesTitle1
});
series.View = pieSeriesView1;
for (int i = 1; i < dt.Columns.Count; i++)
{
string argument = dt.Columns[i].ColumnName; //参数名称
decimal value = (decimal)dt.Rows[rowIndex][i]; //参数值
series.Points.Add(new SeriesPoint(argument, value));
}
//必须设置ArgumentScaleType的类型，否则显示会转换为日期格式，导致不是希望的格式显示
//也就是说，显示字符串的参数，必须设置类型为ScaleType.Qualitative
series.ArgumentScaleType = ScaleType.Qualitative;
series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;//显示标注标签
// DevExpress.XtraCharts.PiePointOptions piePointOptionsValue = new PiePointOptions();
// piePointOptionsValue.PointView = DevExpress.XtraCharts.PointView.ArgumentAndValues;
/// series.LegendPointOptions = piePointOptionsValue;
return(series);
}
private void IniPie(ChartControl chartControl, DataTable table, MouseEventHandler mouseEventHandler, string PaletteColorName)
{
try
{
int iCount = table.Rows.Count;
int i = 0;
Series[] ArraySeries = new Series[iCount];
foreach (DataRow dr in table.Rows)
{
DevExpress.XtraCharts.Series series = new DevExpress.XtraCharts.Series();
DevExpress.XtraCharts.PieSeriesView pieSeriesView = new DevExpress.XtraCharts.PieSeriesView();
DevExpress.XtraCharts.PieSeriesLabel pieSeriesLabel1 = new DevExpress.XtraCharts.PieSeriesLabel();
DevExpress.XtraCharts.SeriesTitle seriesTitle1 = new DevExpress.XtraCharts.SeriesTitle();
DevExpress.XtraCharts.PieWidenAnimation pieWidenAnimation1 = new DevExpress.XtraCharts.PieWidenAnimation();
//
((System.ComponentModel.ISupportInitialize)(chartControl)).BeginInit();
((System.ComponentModel.ISupportInitialize)(pieSeriesLabel1)).BeginInit();
((System.ComponentModel.ISupportInitialize)(series)).BeginInit();
((System.ComponentModel.ISupportInitialize)(pieSeriesView)).BeginInit();
//
chartControl.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;
pieSeriesLabel1.BackColor = System.Drawing.Color.Transparent;
pieSeriesLabel1.Border.Visibility = DevExpress.Utils.DefaultBoolean.False;
pieSeriesLabel1.ColumnIndent = 20;
pieSeriesLabel1.Font = new System.Drawing.Font("Tahoma", 8F, System.Drawing.FontStyle.Bold);
pieSeriesLabel1.LineLength = 30;
pieSeriesLabel1.Position = DevExpress.XtraCharts.PieSeriesLabelPosition.Inside;
pieSeriesLabel1.TextPattern = "{A}\n{V}";
pieSeriesLabel1.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
//
seriesTitle1.Dock = DevExpress.XtraCharts.ChartTitleDockStyle.Bottom;
pieSeriesView.Titles.AddRange(new DevExpress.XtraCharts.SeriesTitle[] {
seriesTitle1
});
pieSeriesView.Animation = pieWidenAnimation1;
//
series.Label = pieSeriesLabel1;
series.View = pieSeriesView;
series.Name = dr["Name"].ToString();
series.Tag = dr["DSA"];
DevExpress.XtraCharts.SeriesPoint seriesPoint = new DevExpress.XtraCharts.SeriesPoint(dr["Value"], dr["Count"], 0);
seriesPoint.Tag = dr["Name"].ToString();
if (PaletteColorName.Length > 0)
{
seriesPoint.ColorSerializable = ToHexColor(this.chartControl1.PaletteRepository["Chameleon"][i].Color);
}
else
{
seriesPoint.ColorSerializable = ToHexColor(Color.Wheat);
}
series.Points.Add(seriesPoint);
ArraySeries[i++] = series;
//
((System.ComponentModel.ISupportInitialize)(pieSeriesLabel1)).EndInit();
((System.ComponentModel.ISupportInitialize)(series)).EndInit();
((System.ComponentModel.ISupportInitialize)(pieSeriesView)).EndInit();
((System.ComponentModel.ISupportInitialize)(chartControl)).EndInit();
//
}
chartControl.AnimationStartMode = DevExpress.XtraCharts.ChartAnimationMode.OnDataChanged;
chartControl.SelectionMode = ElementSelectionMode.Single;
chartControl.SeriesSerializable = ArraySeries;
chartControl.Dock = DockStyle.Fill;
chartControl.MouseClick += mouseEventHandler;
chartControl.BorderOptions.Visibility = DevExpress.Utils.DefaultBoolean.False;
}
catch { }
}
