reporting-winforms-custom-functions-in-the-expression-editor/CS/CustomFunctionForExpressionEditorExample/Form1.cs at 24.2.1+ · DevExpress-Examples/reporting-winforms-custom-functions-in-the-expression-editor · GitHub

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using System;

namespace CustomFunctionForExpressionEditorExample
{
    public partial class Form1 : DevExpress.XtraEditors.XtraForm
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            DevExpress.XtraReports.Expressions.CustomFunctions.Register(new NewLineConstant());
            DevExpress.XtraReports.Expressions.CustomFunctions.Register(new CustomFormatFunction());
            reportDesigner1.AddService(
                typeof(DevExpress.XtraReports.UserDesigner.ReportExpressionEditorCustomizationService),
                new CustomReportExpressionEditorCustomizationService());
            reportDesigner1.OpenReport(new Reports.XtraReport1());
        }
    }
}