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V24.1

HeatmapControl.ExportToImage(Stream, ImageExportOptions) Method

Exports the Heatmap Control as an image to a stream. The export settings passed as a parameter are used.

Namespace: DevExpress.Xpf.Charts.Heatmap

Assembly: DevExpress.Xpf.Charts.v24.1.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

public void ExportToImage(
    Stream stream,
    ImageExportOptions options
)

Parameters

Name Type Description
stream Stream

The stream for output data.

options ImageExportOptions

Export settings.

Remarks

The following example uses the ExportToImage method to export the Heatmap Control to a stream with the specified export settings:

<dxh:HeatmapControl x:Name="heatmapControl">
    <dxh:HeatmapControl.PrintOptions>
        <dxh:HeatmapPrintOptions SizeMode="ProportionalZoom" />
    </dxh:HeatmapControl.PrintOptions>
</dxh:HeatmapControl>
<dx:SimpleButton Click="SimpleButton_Click"/>
using DevExpress.XtraPrinting;
using System.Drawing.Imaging;
using System.IO;

    private void SimpleButton_Click(object sender, RoutedEventArgs e) {
        using (FileStream outputStream = File.Open("D:/Temp/ExportedImage.png", FileMode.OpenOrCreate)) {
            ImageExportOptions exportOptions = new ImageExportOptions();
            exportOptions.Format = ImageFormat.Png;
            heatmapControl.ExportToImage(outputStream, exportOptions);
        }
    }
See Also