HeatmapControl.ExportToImage(String, ImageExportOptions) Method

SECURITY-RELATED CONSIDERATIONS

Using file paths sourced from untrusted input may expose unauthorized files or allow unintended file access. Always validate and normalize all external paths to prevent path manipulation.

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

Namespace : DevExpress.Xpf.Charts.Heatmap

Assembly : DevExpress.Xpf.Charts.v25.2.dll

NuGet Package : DevExpress.Wpf.Charts

csharp

public void ExportToImage(
    string filePath,
    ImageExportOptions options
)

Public Sub ExportToImage(
    filePath As String,
    options As ImageExportOptions
)

Parameters

Name	Type	Description
filePath	String

The file path that includes the file name and extension.

| | options | ImageExportOptions |

Export settings.

Remarks

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

XAML

xaml

<dxh:HeatmapControl x:Name="heatmapControl">
    <dxh:HeatmapControl.PrintOptions>
        <dxh:HeatmapPrintOptions SizeMode="ProportionalZoom" />
    </dxh:HeatmapControl.PrintOptions>
</dxh:HeatmapControl>
<dx:SimpleButton Click="SimpleButton_Click"/>

C#
VB.NET

csharp

using DevExpress.XtraPrinting;

    private void SimpleButton_Click(object sender, RoutedEventArgs e) {
        ImageExportOptions exportOptions = new ImageExportOptions();
        exportOptions.Format = ImageFormat.Png;
        heatmapControl.ExportToImage("D:/Temp/Heatmap.png", exportOptions);
    }

Imports DevExpress.XtraPrinting

    Private Sub SimpleButton_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
        Dim exportOptions As ImageExportOptions = New ImageExportOptions()
        exportOptions.Format = ImageFormat.Png
        heatmapControl.ExportToImage("D:/Temp/Heatmap.png", exportOptions)
    End Sub