private void LoadBaseInformation(LoadBase loadBase)
{
    string message = "LoadBase data for line load: ";
    //Get the name of the load case to which this load belongs
    message += "\nLoad case name: " + loadBase.LoadCaseName;

    //Get the name of the category to which this load belongs
    message += "\nLoad category name: " + loadBase.LoadCategoryName;

    //A string representing the nature of the load
    message += "\nLoad nature name: " + loadBase.LoadNatureName;

    //show the load base information in the messagebox
    TaskDialog.Show("Revit",message);
}

Private Sub LoadBaseInformation(loadBase As LoadBase)
    Dim message As String = "LoadBase data for line load: "
    'Get the name of the load case to which this load belongs
    message += vbLf & "Load case name: " & Convert.ToString(loadBase.LoadCaseName)

    'Get the name of the category to which this load belongs
    message += vbLf & "Load category name: " & Convert.ToString(loadBase.LoadCategoryName)

    'A string representing the nature of the load
    message += vbLf & "Load nature name: " & Convert.ToString(loadBase.LoadNatureName)

    'show the load base information in the messagebox
    TaskDialog.Show("Revit", message)
End Sub