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

Declaration

C#

public void ExportToImage(
    string filePath,
    ImageExportOptions options
)

VB.NET

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

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

C#

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);
    }

VB.NET

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