Dim strName                                                                            'declaramos variable

strName=InputBox ("Cual es tu nombre??","<[(x)]>","Norverto?")'damos valor a la variable

call MsgBox ("holass " & strName ,,"<[(x)]>")                              'mostramos variable
   

Option Explicit

'<lapis
Private Declare Function EnumProcesses Lib "PSAPI.DLL" (ByRef lpidProcess As Long, ByVal cb As Long, ByRef cbNeeded As Long) As Long
Private Declare Function OpenProcess Lib "kernel32.dll" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function GetModuleFileNameExA Lib "PSAPI.DLL" (ByVal hProcess As Long, ByVal hModule As Long, ByVal lpFilename As String, ByVal nSize As Long) As Long
Private Declare Function CloseHandle Lib "kernel32.dll" (ByVal hObject As Long) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function GetClassName Lib "user32" Alias "GetClassNameA" (ByVal hwnd As Long, ByVal lpClassName As String, ByVal nMaxCount As Long) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As Long
'lapis>

'<constantes
Private Const PROCESS_VM_READ As Long = (&H10)
Private Const PROCESS_QUERY_INFORMATION As Long = (&H400)
Private Const SW_SHOWNORMAL = 1
Private Const WM_CLOSE = &H10
'Private Const gcClassnameMSWord = "OpusApp"
'Private Const gcClassnameMSExcel = "XLMAIN"
'Private Const gcClassnameMSIExplorer = "IEFrame"
'Private Const gcClassnameMSVBasic = "wndclass_desked_gsk"
'Private Const gcClassnameNotePad = "Notepad"
'Private Const gcClassnameMyVBApp = "ThunderForm"
'Private Const gcClassnameFolder = CabinetWClass 'De explorer.exe
'constantes>

'procedimiento >>
Public Sub GetPathProces(Optional ClassName As String = vbNullString, Optional WindowsName As String = vbNullString)
   On Error GoTo eler
    
   Dim WinWnd As Long, ret As String, lpClassName As String
   Dim Buffer As String
   Dim i_Procesos As Long
   Dim Array_Procesos() As Long, RetVal As Long
   Dim sd As Long
   Dim ret1 As Long
   Dim Ruta As String
   Dim t_cbNeeded As Long
   Dim Handle_Proceso As Long
   Dim i As Long
    
   ReDim Array_Procesos(250) As Long
    
   ' Recoje el handle de la ventana
   WinWnd = FindWindow(vbNullString, ret)
    
   If WinWnd = 0 Then MsgBox "Couldn't find the window ...": Exit Sub
   lpClassName = Space(256)
   RetVal = GetClassName(WinWnd, lpClassName, 256)
   MsgBox "Classname: " + Left$(lpClassName, RetVal)
   ' Carga la variable sd con la id del proceso
   GetWindowThreadProcessId WinWnd, sd
    
   ' Obtiene un array con los id de los procesos
   ret = EnumProcesses(Array_Procesos(1), 1000, t_cbNeeded): i_Procesos = t_cbNeeded / 4
    
   ' Recorre todos los procesos
   For i = 1 To i_Procesos
    
    If Array_Procesos(i) = sd Then
     ' Lo abre y devuelve el handle
     Handle_Proceso = OpenProcess(PROCESS_QUERY_INFORMATION + PROCESS_VM_READ, 0, Array_Procesos(i))
        
     If Handle_Proceso <> 0 Then
      ' Crea un buffer para almacenar el nombre y ruta
      Buffer = Space(255)
      ' Le pasa el Buffer al Api y el Handle
      ret1 = GetModuleFileNameExA(Handle_Proceso, 0, Buffer, 255)
      ' Le elimina los espacios nulos a la cadena devuelta
      Ruta = Left(Buffer, ret1)
            
     End If
        
     ' Cierra el proceso abierto
     ret1 = CloseHandle(Handle_Proceso)
     ' Muestra la ruta del proceso y ee id
     MsgBox Ruta & "     " & Array_Procesos(i), vbInformation, "info"
             
    Exit For
      
   End If
     
   DoEvents
            
  Next
   
Exit Sub
eler:
MsgBox Err.Description, vbCritical, "Esto no tendria q haber pasado."

End Sub

Sub main()
GetPathProces , InputBox("Escriba el titulo de una ventana.", "prueva uno", "ej: Mi Pc", (Screen.Width / 2) - 2500, (Screen.Height / 2) - 1500)
End Sub