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How to change the font size for header with ColumnSizer as SizeToHeader in WPF DataGrid (SfDataGrid)?

Platform: WPF |
Control: SfDataGrid

The header text width is calculated with static font size in WPF DataGrid (SfDataGrid) and you can change the header font size using HeaderStyle property. You can achieve this by overriding GetFormattedText method in SfDataGrid.ColumnSizer class.

this.DataGrid.GridColumnSizer = new GridColumnSizerExt(DataGrid);public class GridColumnSizerExt : GridColumnSizer
    public GridColumnSizerExt(SfDataGrid dataGrid)
        : base(dataGrid)
    protected override FormattedText GetFormattedText(GridColumn column, object record, string displayText)
        var formattedText = base.GetFormattedText(column, record, displayText);
        if (record == null)
        return formattedText;

Image shows header text with Customized fontsize

View Sample in GitHub.

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