me funciona perfecto, pero solo funciona para 32 bits y no para 64 bits
Código vb:
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Option Explicit Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long Private Declare Function EnumProcesses Lib "PSAPI.DLL" (lpidProcess As Long, ByVal cb As Long, cbNeeded As Long) As Long Private Declare Function EnumProcessModules Lib "PSAPI.DLL" (ByVal hProcess As Long, lphModule As Long, ByVal cb As Long, lpcbNeeded As Long) As Long Private Declare Function GetModuleBaseName Lib "PSAPI.DLL" Alias "GetModuleBaseNameA" (ByVal hProcess As Long, ByVal hModule As Long, ByVal lpFileName As String, ByVal nSize As Long) As Long Private Const PROCESS_VM_READ = &H10 Private Const PROCESS_QUERY_INFORMATION = &H400 Private Function EstaCorriendo(ByVal NombreDelProceso As String) As Boolean Const MAX_PATH As Long = 260 Dim lProcesses() As Long, lModules() As Long, N As Long, lRet As Long, hProcess As Long Dim sName As String NombreDelProceso = UCase$(NombreDelProceso) ReDim lProcesses(1023) As Long If EnumProcesses(lProcesses(0), 1024 * 4, lRet) Then For N = 0 To (lRet \ 4) - 1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION Or PROCESS_VM_READ, 0, lProcesses(N)) If hProcess Then ReDim lModules(1023) If EnumProcessModules(hProcess, lModules(0), 1024 * 4, lRet) Then sName = String$(MAX_PATH, vbNullChar) GetModuleBaseName hProcess, lModules(0), sName, MAX_PATH sName = Left$(sName, InStr(sName, vbNullChar) - 1) If Len(sName) = Len(NombreDelProceso) Then If NombreDelProceso = UCase$(sName) Then EstaCorriendo = True: Exit Function End If End If End If CloseHandle hProcess Next N End If End Function Private Sub Command1_Click() If EstaCorriendo("DTEPlanoWS.exe") Then MsgBox "El programa está en ejecución" Else MsgBox "El programa NO está en ejecución" End If End Sub