UIApplication Dialog Box Showing Event

public class Application_DialogBoxShowing : IExternalApplication
{
    // Implement the OnStartup method to register events when Revit starts.
    public Result OnStartup(UIControlledApplication application)
    {
        // Register related events
        application.DialogBoxShowing +=
            new EventHandler<Autodesk.Revit.UI.Events.DialogBoxShowingEventArgs>(AppDialogShowing);
        return Result.Succeeded;
    }

    // Implement this method to unregister the subscribed events when Revit exits.
    public Result OnShutdown(UIControlledApplication application)
    {
        // unregister events
        application.DialogBoxShowing -=
            new EventHandler<Autodesk.Revit.UI.Events.DialogBoxShowingEventArgs>(AppDialogShowing);
        return Result.Succeeded;
    }

    // The DialogBoxShowing event handler, which allow you to 
    // do some work before the dialog shows
    void AppDialogShowing(object sender, DialogBoxShowingEventArgs args)
    {
        // check if the dialog is the "Export with Temporary Hide/Isolate dialog
        if (args is TaskDialogShowingEventArgs tdEventArgs &&
            tdEventArgs.DialogId == "TaskDialog_Really_Print_Or_Export_Temp_View_Modes")
        {
            // dismiss the dialog by selecting the 2nd option in the dialog
            // "Leave the mode on and export"
            args.OverrideResult((int)TaskDialogResult.CommandLink2);
        }
    }

Public Class Application_DialogBoxShowing
    Implements IExternalApplication
    ' Implement the OnStartup method to register events when Revit starts.
    Public Function OnStartup(application As UIControlledApplication) As Autodesk.Revit.UI.Result Implements IExternalApplication.OnStartup
        ' Register related events
        AddHandler application.DialogBoxShowing, AddressOf AppDialogShowing
        Return Result.Succeeded
    End Function

    ' Implement this method to unregister the subscribed events when Revit exits.
    Public Function OnShutdown(application As UIControlledApplication) As Autodesk.Revit.UI.Result Implements IExternalApplication.OnShutdown
        ' unregister events
        RemoveHandler application.DialogBoxShowing, AddressOf AppDialogShowing
        Return Result.Succeeded
    End Function

    ' The DialogBoxShowing event handler, which allow you to 
    ' do some work before the dialog shows
    Private Sub AppDialogShowing(sender As Object, args As DialogBoxShowingEventArgs)
        Dim tdEventArgs As TaskDialogShowingEventArgs = TryCast(args, TaskDialogShowingEventArgs)

        If tdEventArgs IsNot Nothing AndAlso tdEventArgs.DialogId = "TaskDialog_Really_Print_Or_Export_Temp_View_Modes" Then
            args.OverrideResult(CInt(TaskDialogResult.CommandLink2))
        End If
    End Sub
End Class

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.