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Snootae
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 Posted: Sat Apr 12, 2008 1:59 am Post subject: Delphi stop and application from starting or running |
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hey, i was wondering if anyone could help me with a little something im working on, basically im trying to stop a process or application from running, anyone got any ideas?
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NothingToShow
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| Posted: Sat Apr 12, 2008 2:35 am Post subject: |
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http://www.latiumsoftware.com/en/delphi/00034.php
| Quote: | To close another application you can use the PostMessage API declared in the Windows unit to send a WM_CLOSE message to its main form. This function requires the handle of the window to which you want to post the message. You can get this handle for example using the FindWindow API, also declared in the Windows unit.
Here is a source code example:
uses Windows, Messages;
procedure TForm1.Button1Click(Sender: TObject);
var
h: HWND;
begin
h := FindWindow(nil, 'Main Form Caption');
if h <> 0 then PostMessage(h, WM_CLOSE, 0, 0);
end;
Instead of 'Main Form Caption' you should write the title (caption) of the main form of the application you want to close. Be sure this name is unique or you might end up closing another application (for example it wouldn't be good a name like 'Form1'). |
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Snootae
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| Posted: Sat Apr 12, 2008 4:36 am Post subject: |
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thanks moller, works well
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hcavolsdsadgadsg
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| Posted: Sat Apr 12, 2008 11:28 am Post subject: |
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| If you're going to use FindWindow, use the class instead of the actual window name.
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NothingToShow
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| Posted: Sat Apr 12, 2008 1:07 pm Post subject: |
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| slovach wrote: | | If you're going to use FindWindow, use the class instead of the actual window name. |
I've got a question about the class name thing.
How do you know what the classname is?
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killersamurai
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hcavolsdsadgadsg
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| Posted: Sat Apr 12, 2008 1:59 pm Post subject: |
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| Moller wrote: | | slovach wrote: | | If you're going to use FindWindow, use the class instead of the actual window name. |
I've got a question about the class name thing.
How do you know what the classname is? |
Spy++
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rapion124
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| Posted: Sat Apr 12, 2008 7:43 pm Post subject: |
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| Lol. It's ironic that you need a window handle to obtain the class, when obtaining the window handle requires the class or caption.
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Symbol
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| Posted: Sun Apr 13, 2008 1:36 am Post subject: |
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| rapion124 wrote: | | Lol. It's ironic that you need a window handle to obtain the class, when obtaining the window handle requires the class or caption. |
Or, you could loop through all windows and get the class name, window name AND handle using GetWindow, GetClassNameA/W and GetWindowTextA/W APIs. 
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