Close an App

OK, my eyes are hurting from searching the forums for an answer. Whats the code to close an outside app. Say I wanted to close AIM or something. Thanks. Now im going to go wash my eyeballs.
-quac

http://www.sniffum.com/link.gif

Use spy++ to get the name, use findwindow with the name, then use closewindow with the received hwnd to close it.

Quote:

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Originally posted by Sastraxi
Use spy++ to get the name, use findwindow with the name, then use closewindow with the received hwnd to close it.

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Im not to good with API's.

Got any examples?

Quote:

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Originally posted by duc
Im not to good with API's.

Got any examples?

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If anyone could show me that would be nice. Also I already tried the code that Hack posted. I am trying to close AIM because it interferes with my cousins program so he wants me to have it close aim when it starts. THX

VB Code:

'In General section of Form
private Declare Function CloseWindow Lib "user32" Alias "CloseWindow" (ByVal hwnd As Long) As Long
 
private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
 
'
Private Sub CloseApp()
Dim RetVal as long
RetVal=FindWindow(vbnullstring,"My Program")
closewindow retval
end sub

Wierd, I did a search on VBF and found hundreds of examples on how to do so. Maybe you forgot to press the "perform search" button

http://vbforums.com/search.php?s=&ac...der=descending

I tried all of the examples there and none of them worked. The code posted above does not work either....hmm....i tried planet source code too. AIM is invincible :-P

did you try changing the "My Program" to work on aim?? anyway, just so you know, if the value of retval is 0, then it means it didn't find the window! check if it actually finds the hwnd of aim. another way to do it, is to use the sendmessage api and send a wm_close message to aim!

You have to replace "My Window" with the actual title of the program window. I don't use AIM, but I think that its title should be "AOL Instant Messenger". Check the title bar.

Quote:

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Originally posted by da_haCKEr
You have to replace "My Window" with the actual title of the program window. I don't use AIM, but I think that its title should be "AOL Instant Messenger". Check the title bar.

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Nothings working. Im gonna search google for some.

what did you change "My Program" to that it didn't work? and did you check if the program actually finds the window?? cause then, that means that the closing part didn't work!

i tried changing my program to AIM, AIM.exe , aim.exe , AOL Instant Messenger, Buddy List Window.

This code should do the trick if you are using Win9x, but for Windows version running the NT kernel, there's some more things to be done to gain access to the process. I didn't do that because I couldn't find the values of the constants needed to gain access. :( The MSDN is very bad in that way. They should list the value of the Constant along with its description.
Anyway, If u r using Win9X, this should work. Replace "MSMSGS.EXE" with the exe name of AIM.
BTW, This code is not very good since I have modified the code written by somebody else. (ALLAPI)

VB Code:

Const TH32CS_SNAPHEAPLIST = &H1
Const TH32CS_SNAPPROCESS = &H2
Const TH32CS_SNAPTHREAD = &H4
Const TH32CS_SNAPMODULE = &H8
Const TH32CS_SNAPALL = (TH32CS_SNAPHEAPLIST Or TH32CS_SNAPPROCESS Or TH32CS_SNAPTHREAD Or TH32CS_SNAPMODULE)
Const TH32CS_INHERIT = &H80000000
Const MAX_PATH As Integer = 260
Private Type PROCESSENTRY32
    dwSize As Long
    cntUsage As Long
    th32ProcessID As Long
    th32DefaultHeapID As Long
    th32ModuleID As Long
    cntThreads As Long
    th32ParentProcessID As Long
    pcPriClassBase As Long
    dwFlags As Long
    szExeFile As String * MAX_PATH
End Type
Private Declare Function CreateToolhelp32Snapshot Lib "kernel32" (ByVal lFlags As Long, ByVal lProcessID As Long) As Long
Private Declare Function Process32First Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Function Process32Next Lib "kernel32" (ByVal hSnapShot As Long, uProcess As PROCESSENTRY32) As Long
Private Declare Sub CloseHandle Lib "kernel32" (ByVal hPass As Long)
Private Declare Function GetExitCodeProcess Lib "kernel32" (ByVal hProcess As Long, lpExitCode As Long) As Long
Private Declare Sub ExitProcess Lib "kernel32" (ByVal uExitCode As Long)
Private Declare Function TerminateProcess Lib "kernel32" (ByVal hProcess As Long, ByVal uExitCode As Long) As Long
Private Declare Function OpenProcess Lib "Kernel32.dll" (ByVal dwDesiredAccessas As Long, ByVal bInheritHandle As Long, ByVal dwProcId As Long) As Long
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
 
Private Sub Form_Load()
Dim strProcName As String
Dim ProcHandle As Long
Dim NewProcHandle As Long
Dim hSnapShot As Long, uProcess As PROCESSENTRY32
    
    hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPALL, 0&)
    uProcess.dwSize = Len(uProcess)
    r = Process32First(hSnapShot, uProcess)
    Do While r
        strProcName = Left$(uProcess.szExeFile, IIf(InStr(1, uProcess.szExeFile, Chr$(0)) > 0, InStr(1, uProcess.szExeFile, Chr$(0)) - 1, 0))
        If UCase(strProcName) = "MSMSGS.EXE" Then
           ProcHandle = uProcess.th32ProcessID
           NewProcHandle = OpenProcess(STANDARD_RIGHTS_REQUIRED, 0, ProcHandle)
           TerminateProcess NewProcHandle, GetExitCodeProcess(NewProcHandle, 0)
        End If
        r = Process32Next(hSnapShot, uProcess)
    Loop
    CloseHandle hSnapShot
End Sub

OK, wait....Since AIM just minimizes when you do the code where u fill in "My Program" I need a code where it finds the program and kills the app. I think i found teh handle using spy++ [forgot bout this post]

er one more thing. I already have code posted in the declarations section so what should i do with any new declarations code the people post? :( I'm in desperate need of a VB book. Obviously :blush:

BTW, CloseWindow API only minimizes a window. Try using PostMessage & WM_CLOSE.

This works for me ( win 2000 and XP )... Have a test!