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Thread: Find the exename

  1. #1

    Thread Starter
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    Join Date
    Dec 2000
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    14

    Smile

    Using api does anyone know how to find the executable of a window using it's handle?

  2. #2
    Guest
    To get the exe path from a given handle:

    Code:
    'Author: Sam Huggill
    'Author's email: http://www.programmerz.com/vb/
    'Date Submitted: 2/6/1999
    'Compatibility: VB 6,VB 5
    
    'Task: Returns the .exe name from the given handle.
    
    'Declarations
    Public Const TH32CS_SNAPPROCESS As Long = 2&
    Public Const MAX_PATH As Long = 260
    
    Public 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
    
    Public Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hWnd
    As Long, lpdwProcessId As Long) As Long
    
    Public Declare Function CreateToolhelpSnapshot Lib "Kernel32" Alias
    "CreateToolhelp32Snapshot" (ByVal lFlgas As Long, ByVal lProcessID As
    Long) As Long
    
    Public Declare Function ProcessFirst Lib "Kernel32" Alias "Process32First"
    (ByVal hSnapshot As Long, uProcess As PROCESSENTRY32) As Long
    
    Public Declare Function ProcessNext Lib "Kernel32" Alias "Process32Next"
    (ByVal hSnapshot As Long, uProcess As PROCESSENTRY32) As Long
    
    Public Declare Sub CloseHandle Lib "Kernel32" (ByVal hPass As Long)
    
    Public Function GetExeFromHandle(hWnd As Long) As String
    Dim threadID As Long, processID As Long, hSnapshot As Long
    Dim uProcess As PROCESSENTRY32, rProcessFound As Long
    Dim i As Integer, szExename As String
    ' Get ID for window thread
    threadID = GetWindowThreadProcessId(hWnd, processID)
    ' Check if valid
    If threadID = 0 Or processID = 0 Then Exit Function
    ' Create snapshot of current processes
    hSnapshot = CreateToolhelpSnapshot(TH32CS_SNAPPROCESS, 0&)
    ' Check if snapshot is valid
    If hSnapshot = -1 Then Exit Function
    'Initialize uProcess with correct size
    uProcess.dwSize = Len(uProcess)
    'Start looping through processes
    rProcessFound = ProcessFirst(hSnapshot, uProcess)
    Do While rProcessFound
    If uProcess.th32ProcessID = processID Then
    'Found it, now get name of exefile
    i = InStr(1, uProcess.szexeFile, Chr(0))
    If i > 0 Then szExename = Left$(uProcess.szexeFile, i - 1)
    Exit Do
    Else
    'Wrong ID, so continue looping
    rProcessFound = ProcessNext(hSnapshot, uProcess)
    End If
    Loop
    Call CloseHandle(hSnapshot)
    GetExeFromHandle = szExename
    End Function
    
    Usage
    
    Private Sub Command1_Click()
         MsgBox GetExeFromHandle(Me.hWnd)
    End Sub

  3. #3

    Thread Starter
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    This doesn't work in Windows NT

  4. #4
    Guest

    Lightbulb Find the exename

    an easy way to get the filename of your project.
    App.EXEName
    -> response the exe name without an API or other stuff.


  5. #5

    Thread Starter
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    Join Date
    Dec 2000
    Posts
    14
    Yeah but again. That wouldn't be using the handle. See the thing is I need to get the executable path for other programs. I'm designing a task manager.

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