Single Instance Of App - Please Help!

[ASP .NET Newbie]

Hey everyone,

I have an application that I am developing (well, that's obvious!). The
application minimizes to the system tray when it is minimized. I have a
function called Show_Click() that is part of the context menu of the tray
icon. Here's the dilemma I face. I only want to allow 1 instance of the
program (I've already done that), and have the "original" process show back
up on the screen. The problem is, if it is already on the screen (i.e. not
minimized to the system tray), it works perfectly. However, if it IS
minimized to the system tray, how can I call the "Show_Click()" function?

Thanks for any and all help!

Chad Beckner

 

[Scott Allen]

You can PInvoke FindWindow, ShowWindow, and SetForegroundWindow to do
this.

There is some sample code here:
http://dotnet.org.za/ernst/archive/2004/07/20/2887.aspx

 

[ASP .NET Newbie]

Actually, that is where I found the code to check for single instance.
However, it does not (as far as I can tell) show how to call a function of
that process.

Ideas?

Thanks!

Chad

 

[Scott Allen]

I believe it is in his WindowsHelper class
(WindowsHelper.ActivateWindowByHandle), which he links to here:
http://dotnet.org.za/ernst/articles/3491.aspx

--s