VB根据窗口标题获取应用程序完整路径(来自网络)

VB根据窗口标题获取应用程序完整路径(来自网络)

Option ExplicitPrivate Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As LongPrivate Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As LongPrivate Declare Function OpenProcess Lib "kernel32.dll" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessID As Long) As LongPrivate Declare Function GetModuleFileNameExA Lib "psapi.dll" (ByVal hProcess As Long, ByVal hModule As Long, ByVal ModuleName As String, ByVal nSize As Long) As LongPrivate Declare Function CloseHandle Lib "kernel32.dll" (ByVal hObject As Long) As LongPrivate Declare Function EnumProcessModules Lib "psapi.dll" (ByVal hProcess As Long, ByRef lphModule As Long, ByVal cb As Long, ByRef cbNeeded As Long) As LongPrivate Sub Command1_Click()On Error Resume NextDim notepad_hwnd As Long, i As Long, pid As LongDim notepad_path As StringShell "notepad.exe", vbNormalFocusnotepad_hwnd& = FindWindow(vbNullString, "无标题 - 记事本") '获得窗口句柄i = GetWindowThreadProcessId(notepad_hwnd, pid) '获得记事本pidnotepad_path = GetProcessPathByProcessID(pid) '获取记事本全路径Text1.Text = notepad_pathEnd SubPrivate Function GetProcessPathByProcessID(pid As Long) As String '获取应用程序的完整路径 On Error GoTo ErrLine Dim cbNeeded As Long Dim szBuf(1 To 250) As Long Dim Ret As Long Dim szPathName As String Dim nSize As Long Dim hProcess As Long hProcess = OpenProcess(&H400 Or &H10, 0, pid) If hProcess <> 0 Then Ret = EnumProcessModules(hProcess, szBuf(1), 250, cbNeeded) If Ret <> 0 Then szPathName = Space(260) nSize = 500 Ret = GetModuleFileNameExA(hProcess, szBuf(1), szPathName, nSize) GetProcessPathByProcessID = Left(szPathName, Ret) End If End If Ret = CloseHandle(hProcess) If GetProcessPathByProcessID = "" Then GetProcessPathByProcessID = "can't not catch" End IfErrLine:End Function