Getting active application by mouse click

Ok, how about this.....is there a way to capture the application by way of a mouse click event?

So when a user clicks on a application (say Notepad) and then clicks on a button in a Vb.net 2003 program which will display what application they selected.  

TechMonsterAsked:
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HillwaaaCommented:
Hi TechMonster,

What are you trying to acheive?  There are ways to get references to other applications like Notepad, using functions from the win32 api, however they are pretty tricky to use...

Cheers,
Hillwaaa
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Take a look at my approach here:
http://www.experts-exchange.com/Programming/Programming_Languages/Visual_Basic/VB_Controls/Q_21567355.html#14929000

It allows you to initiate a drag from your app and it identifies the hWnd of the control where the drop is made.  Then you can figure out the window that owns that control from there.

This is accomplished via the SetCapture() API.

If you think this is workable then I can see about converting the code to VB.Net.  It will be shorter than the solution VB6 since some of that code required APIs that are now encapsulated by the .Net framework.
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TechMonsterAuthor Commented:
The setCapture may work.  I am not 100% sure i understand how to use but it may be heading me in the right direction.
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Mike TomlinsonMiddle School Assistant TeacherCommented:
I'll work out a sample project to demonstrate it...
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