HeatmapControl.ExportToMht(String, MhtExportOptions) 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 to a file in MHT format with the specified export settings.

Namespace : DevExpress.Xpf.Charts.Heatmap

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

NuGet Package : DevExpress.Wpf.Charts

csharp

public void ExportToMht(
    string filePath,
    MhtExportOptions options
)

Public Sub ExportToMht(
    filePath As String,
    options As MhtExportOptions
)

Parameters

Name	Type	Description
filePath	String

The file path that includes the file name and extension.

| | options | MhtExportOptions |

Export settings.

Remarks

The following example uses the ExportToMht 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;
using System.IO;

    private void SimpleButton_Click(object sender, RoutedEventArgs e) {
        MhtExportOptions exportOptions = new MhtExportOptions();
        exportOptions.Title = "Heatmap";
        heatmapControl.ExportToMht("D:/Temp/ExportedDocument.mht", exportOptions);
    }

Imports DevExpress.XtraPrinting

    Private Sub SimpleButton_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
        Dim exportOptions As MhtExportOptions = New MhtExportOptions()
        exportOptions.Title = "Heatmap"
        heatmapControl.ExportToMht("D:/Temp/ExportedDocument.mht", exportOptions)
    End Sub