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Show window without focus vb.net

Posted on 2007-04-02
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Last Modified: 2012-05-05
Hello all,

I've a notification window like messenger and I need to show it without losing the focus of the current application. How can I do that in vb.net?
What I'm using to show the window is the ShowWindow api.

Thanks in advance for your assistance.
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Question by:nuberun
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Expert Comment

by:Mike Tomlinson
ID: 18836560
You can do it WITHOUT BringWindowToFront() by using the SW_SHOWNA flag.

Assuming Form7 was the form you wanted to show without losing focus then you would use code like this:

    Private Declare Function ShowWindow Lib "user32" (ByVal handle As IntPtr, ByVal nCmdShow As Integer) As Integer

    Private Const SW_SHOWNA = 8

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Dim f As New Form7
        ShowWindow(f.Handle, SW_SHOWNA)
    End Sub
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Mike Tomlinson earned 2000 total points
ID: 18836571
See:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/WindowsUserInterface/Windowing/Windows/WindowReference/WindowFunctions/ShowWindow.asp

    "SW_SHOWNA = Displays the window in its current size and position. This value is similar to SW_SHOW, except the window is not activated."
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