Progress® Telerik® Reporting R3 2018

ReportViewerBaseInteractiveActionExecuting Event

Occurs when an action is being executed. Execution can be canceled.

Namespace:  Telerik.ReportViewer.WinForms
Assembly:  Telerik.ReportViewer.WinForms (in Telerik.ReportViewer.WinForms.dll) Version: (


public event InteractiveActionExecutingEventHandler InteractiveActionExecuting


Type: Telerik.ReportViewer.CommonInteractiveActionExecutingEventHandler


This example illustrates how to wire the event and use the event arguments.
void reportViewer1_CustomInteractiveActionExecuting(object sender, Telerik.ReportViewer.Common.InteractiveActionCancelEventArgs args)
    var strB = new System.Text.StringBuilder();
    strB.AppendLine("ReportItem name: " + args.Action.ReportItemName);

    var customAction = args.Action as Telerik.Reporting.Processing.CustomAction;
    if (null != customAction)
        foreach (var p in customAction.Parameters)
            strB.AppendLine(string.Format("Parameter \"{0}\" value: {1}", p.Key, p.Value));

    strB.AppendLine(string.Format("Mouse cursor position: {0}; Item bounds: {1}", args.CursorPos, args.Bounds));

void reportViewer1_InteractiveActionExecuting(object sender, Telerik.ReportViewer.Common.InteractiveActionCancelEventArgs args)
    var navigateToUrlAction = args.Action as Telerik.Reporting.Processing.NavigateToUrlAction;
    if (null != navigateToUrlAction)
        if (!navigateToUrlAction.Url.StartsWith("https"))
            args.Cancel = MessageBox.Show("You are about to navigate to a non-secure page. Continue?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) != System.Windows.Forms.DialogResult.Yes;

See Also

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