public static bool IsSideBySideStackedView(DevExpress.XtraCharts.ViewType view)
{
return(view == DevExpress.XtraCharts.ViewType.SideBySideStackedBar ||
view == DevExpress.XtraCharts.ViewType.SideBySideStackedBar3D ||
view == DevExpress.XtraCharts.ViewType.SideBySideFullStackedBar ||
view == DevExpress.XtraCharts.ViewType.SideBySideFullStackedBar3D);
}
/// <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 CreateSeries(string caption, DevExpress.XtraCharts.ViewType viewType, DataTable dt, int rowIndex)
{
Series series = new Series(caption, viewType);
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
return(series);
}
private Series CreateSeries(DataTable dt, DevExpress.XtraCharts.ViewType viewType, NumericFormat format)
{
Series series = new Series("Serices1 ", viewType);
series.DataSource = dt;
series.ArgumentScaleType = ScaleType.Qualitative;
series.ArgumentDataMember = "argument";
series.ValueScaleType = ScaleType.Numerical;
series.ValueDataMembers.AddRange(new string[] { "datavalue" });
series.PointOptions.PointView = PointView.ArgumentAndValues;
series.PointOptions.ValueNumericOptions.Format = format;
if (format == NumericFormat.Number)
{
//series.PointOptions.ValueNumericOptions.Precision = 0;
}
series.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True;//显示标注标签
return(series);
}
private void GetChartType(string p)
{
switch (p.ToLower())
{
case "bar":
_ViewType = DevExpress.XtraCharts.ViewType.Bar;
break;
case "line":
_ViewType = DevExpress.XtraCharts.ViewType.Line;
break;
case "pie3d":
_ViewType = DevExpress.XtraCharts.ViewType.Pie3D;
break;
case "pie":
default:
_ViewType = DevExpress.XtraCharts.ViewType.Pie;
break;
}
}
public void ChangeChartType(DevExpress.XtraCharts.ViewType type)
{
try
{
this.ChangeView(type);
if ((this.View as DevExpress.XtraCharts.SimpleDiagramSeriesViewBase) == null)
{
ChartParent.Legend.Visible = true;
}
if (ChartParent != null && ChartParent.Diagram is DevExpress.XtraCharts.Diagram3D)
{
DevExpress.XtraCharts.Diagram3D diagram = (DevExpress.XtraCharts.Diagram3D)ChartParent.Diagram;
diagram.RuntimeRotation = true;
diagram.RuntimeZooming = true;
diagram.RuntimeScrolling = true;
}
foreach (DevExpress.XtraCharts.Series series in ChartParent.Series)
{
DevExpress.XtraCharts.ISupportTransparency supportTransparency = series.View as DevExpress.XtraCharts.ISupportTransparency;
if (supportTransparency != null)
{
if ((series.View is DevExpress.XtraCharts.AreaSeriesView) || (series.View is DevExpress.XtraCharts.Area3DSeriesView) ||
(series.View is DevExpress.XtraCharts.RadarAreaSeriesView) || (series.View is DevExpress.XtraCharts.Bar3DSeriesView))
{
supportTransparency.Transparency = 135;
}
else
{
supportTransparency.Transparency = 0;
}
}
}
}
catch (Exception ex)
{
}
}
public static bool IsPolarView(DevExpress.XtraCharts.ViewType view)
{
return(view == DevExpress.XtraCharts.ViewType.PolarArea ||
view == DevExpress.XtraCharts.ViewType.PolarLine ||
view == DevExpress.XtraCharts.ViewType.PolarPoint);
}