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V24.1
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ChartSheetExtensions.CreateThumbnail(ChartSheet, String, ImageFileFormat, Int32, Int32) Method

Saves the chart sheet as an image in the specified format and allows you to set the image size.

You need a license for the DevExpress Office File API Subscription or DevExpress Universal Subscription to use this method in production code.

Namespace: DevExpress.Spreadsheet

Assembly: DevExpress.Docs.v24.1.dll

NuGet Package: DevExpress.Document.Processor

Declaration

public static void CreateThumbnail(
    this ChartSheet chartSheet,
    string fileName,
    ImageFileFormat format,
    int width,
    int height
)

Parameters

Name Type Description
chartSheet ChartSheet

The chart sheet to be saved as an image.

fileName String

The file name (including full path) for the output image.

format ImageFileFormat

The output image format.

width Int32

The output image width in pixels.

height Int32

The output image height in pixels.

Remarks

If the chart sheet is bigger than the thumbnail, the chart sheet is cropped to fit the thumbnail. If the chart sheet is smaller, the remaining space is filled with the default background color.

The code sample below saves a chart sheet as an image:

Generate a Thumbnail from the Chart Sheet

using DevExpress.Spreadsheet;
// ...

// Create a new Workbook object.
using (Workbook workbook = new Workbook())
{
    // Load a workbook from a file.
    workbook.LoadDocument("VariableCosts.xlsx", DocumentFormat.Xlsx);

    // Access an active chart sheet.
    ChartSheet chartSheet = workbook.ChartSheets.ActiveChartSheet;

    // Save the chart sheet as an image.
    if (chartSheet != null)
        chartSheet.CreateThumbnail("Chart_sheet_Thumbnail.png", ImageFileFormat.Png, 920, 670);
}
See Also