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10-11-2003, 10:32 AM
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Newcomer
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Join Date: Sep 2003
Location: Birmingham UK
Posts: 10
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how to close a window by giving hwnd
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Hi all, i wonder if someone can give me an example of a working WM_SYSCOMMAND in action closing down internet explorer. If you can i would be very very gratefull
Quote:
Originally Posted by MathImagics
I believe that, in the general case of closing other application windows, it's possible that the target application might not do all its normal shutdown processing if you simply post a WM_CLOSE.
The best method, I think, is to post a WM_SYSCOMMAND with the SC_CLOSE parameter - this is the closest you can get to a simulation of the user clicking on the X (Close) button of the window.
And whichever way you do it, as Red Bull has noted, it should be Posted, not Sent.
Dr Memory 
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10-11-2003, 10:45 AM
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Algorithms 'R' Us
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* Guru *
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Join Date: Jun 2002
Location: Canberra
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Code:
Public Const WM_SYSCOMMAND = &H112
Public Const SC_CLOSE = &HF060&
PostMessage tWindow, WM_SYSCOMMAND, SC_CLOSE, ByVal 0
Works fine for IExplore windows |
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Sept, 2006: 2 ^ 232,582,657 - 1 is prime!
At first, I was iridescent. Then, I became transparent. Finally, I was absent.
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10-11-2003, 11:01 AM
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Newcomer
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Join Date: Sep 2003
Location: Birmingham UK
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help!
cheers mathimagics,
could you please give me a full example cus im a newbie 
cheer, tom
Quote:
Originally Posted by MathImagics
Code:
Public Const WM_SYSCOMMAND = &H112
Public Const SC_CLOSE = &HF060&
PostMessage tWindow, WM_SYSCOMMAND, SC_CLOSE, ByVal 0
Works fine for IExplore windows
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10-11-2003, 12:12 PM
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Algorithms 'R' Us
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* Guru *
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Join Date: Jun 2002
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The code I gave you has only 2 things missing - the API declaration for PostMessage, which is
Code:
Declare Function PostMessage Lib "user32" Alias "PostMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _
lParam As Any) As Long
and tWindow.
You need to set this to the handle of the window you want to close.
Search for FindWindow - heaps of examples. And it looks like the poster of this thread was looking for IExplore windows so you could send him a PM maybe |
__________________
Sept, 2006: 2 ^ 232,582,657 - 1 is prime!
At first, I was iridescent. Then, I became transparent. Finally, I was absent.
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