How to create Wrapper class for Message Box Class

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C#

WPF

Actually, I am doing one sample in wpf using Telerik Testing Framework, in that sample i am using Message Box. Here i want to test my Sample all controls are recognized I created objects for those classes (textbox,Combobox,Radiobutton and Checkbox) but i didn't create object for Message Box class.So i want to create Wrapper class for Message Box.

WpfApplication wpfApp = manager.LaunchNewApplication(@"C:\Users\bhadram.nagaveera\Desktop\MVVM_WPFSample\MVVM_WPFSample\bin\Debug\MVVM_WPFSample.exe");

            Assert.IsTrue(wpfApp.MainWindow.Window.Caption.Equals("MainWindow"));

            TextBox txtbox1 = wpfApp.MainWindow.Find.ByName<TextBox>("tbName");

            TextBox txtbox2 = wpfApp.MainWindow.Find.ByName<TextBox>("tbAddress");

            RadioButton radbutton1 = wpfApp.MainWindow.Find.ByName<RadioButton>("rbMale");

            ComboBox cbbox1 = wpfApp.MainWindow.Find.ByName<ComboBox>("countryddl");

            ComboBox cbbox2 = wpfApp.MainWindow.Find.ByName<ComboBox>("stateddl");

            CheckBox chkbox1 = wpfApp.MainWindow.Find.ByName<CheckBox>("chkTV");

            CheckBox chkbox2 = wpfApp.MainWindow.Find.ByName<CheckBox>("chkAC");

            DataGrid datagrid1 = wpfApp.MainWindow.Find.ByName<DataGrid>("dataGrid1");

Here I didn't create object for MessageBox.(WPF Automation UI (Telerik)).