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Handle keystrokes from Form1 and Form2 in Form1

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retroMIDI2
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1 post since Jan 2013
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My application has two forms.
Focus may be on either form.
Keypresses on either Form1 or on Form2 need to processed by code in Form1.vb.
How should I make this happen?

Thank you
retroMIDI2

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tinstaafl
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2,009 posts since Jun 2010
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Here's one way:

Public Class Form1

    Public Sub Form1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs)
        Dim CurrentForm As Form = DirectCast(sender, Form)
        MsgBox(e.KeyChar.ToString + " " + CurrentForm.Name)
    End Sub

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        AddHandler Me.KeyPress, AddressOf Form1_KeyPress
        Form2.Show()
    End Sub

End Class

Public Class Form2

    Private Sub Form2_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        AddHandler Me.KeyPress, AddressOf Form1.Form1_KeyPress
    End Sub
End Class

Set the KeyPreview property to true on each form. When you run this whichever form has the focus will echo the key pressed and the form name to the messagebox.

You
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