Cut code for mdi form

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Hi I am making an window base application on which it contain an mdi form and many child form in that i had used a ToolStripMenuItem which contain a button cut & redo on press of that button te selected textbox contain any data should be cut so pls help he out of these i had used code

VB

Dim activeChild As Form = Me.ActiveMdiChild
        If (Not activeChild Is Nothing) Then
            Try
                Dim tb As TextBox = CType(activeChild.ActiveControl, TextBox)
                If TextBox.CanRedo = True Then
                    If TextBox.RedoActionName <> "Delete" Then
                        TextBox.Redo()
                    End If
                End If
            Catch
                MessageBox.Show("You need to select a TextBox.")
            End Try
        End If

for redo which is nt working

Posted 5-Feb-13 8:23am

vvk44

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Sergey Alexandrovich Kryukov 5-Feb-13 14:24pm

Why?!
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-02-05T08:24:00

Here is the idea: who needs MDI, ever? Why torturing yourself and scaring off your users?
Do yourself a great favor: do not use MDI at all. You can do much easier to implement design without it, with much better quality. MDI is highly discouraged even by Microsoft, in fact, Microsoft dropped it out of WPF and will hardly support it. More importantly, you will scare off all your users if you use MDI. Just don't. Please see:
http://en.wikipedia.org/wiki/Multiple_document_interface#Disadvantages[^],
How to Create MDI Parent Window in WPF?[^].

I can explain what to do instead. Please see my past answers:
How to Create MDI Parent Window in WPF? [Solution 2],
Question on using MDI windows in WPF[^],
MDIContainer giving error[^],
How to set child forms maximized, last childform minimized[^].

—SA