ChartObject.LoadStyle(Stream) Method

Loads a custom style from the specified stream and applies it to the chart. Available only for Excel 2016 charts.

Namespace: DevExpress.Spreadsheet.Charts

Assembly: DevExpress.Spreadsheet.v23.2.Core.dll

NuGet Package: DevExpress.Spreadsheet.Core

Declaration

C#

void LoadStyle(
    Stream stream
)

VB.NET

Sub LoadStyle(
    stream As Stream
)

Parameters

Name	Type	Description
stream	Stream	A stream that contains XML data with a chart style definition.

Remarks

The code sample below applies a custom style to a waterfall chart. The style.xml file contains a definition of a standard style used for histogram and funnel charts.

C#

// Create a waterfall chart and specify its location.
Chart chart = worksheet.Charts.Add(ChartType.Waterfall, worksheet["B2:C7"]);
chart.TopLeftCell = worksheet.Cells["E2"];
chart.BottomRightCell = worksheet.Cells["L17"];

// Hide the major gridlines for the value axis.
chart.PrimaryAxes[1].MajorGridlines.Visible = false;

// Specify series options.
var options = chart.Series[0].LayoutOptions.Waterfall;
// Display connector lines.
options.ShowConnectorLines = true;
// Set the third data point as the total.
options.SubtotalDataPoints.Add(2);
// Set the last data point as the total.
options.SubtotalDataPoints.Add(5);

// Load a custom style
// and apply it to the chart.
using (FileStream stream = File.Open(@"CustomStyles\style.xml", FileMode.Open))
    chart.LoadStyle(stream);

// Add the chart title.
chart.Title.Visible = true;
chart.Title.SetValue("Income Statement");

VB.NET

' Create a waterfall chart and specify its location.
Dim chart As Chart = worksheet.Charts.Add(ChartType.Waterfall, worksheet("B2:C7"))
chart.TopLeftCell = worksheet.Cells("E2")
chart.BottomRightCell = worksheet.Cells("L17")

' Hide the major gridlines for the value axis.
chart.PrimaryAxes(1).MajorGridlines.Visible = False

' Specify series options.
Dim options As WaterfallSeriesOptions = chart.Series(0).LayoutOptions.Waterfall
' Display connector lines.
options.ShowConnectorLines = True
' Set the third data point as the total.
options.SubtotalDataPoints.Add(2)
' Set the last data point as the total.
options.SubtotalDataPoints.Add(5)

' Load a custom style
' and apply it to the chart.
Using stream As FileStream = File.Open("CustomStyles\style.xml", FileMode.Open)
    chart.LoadStyle(stream)
End Using

' Add the chart title.
chart.Title.Visible = True
chart.Title.SetValue("Income Statement")