Declare Function WinExec Lib "kernel32" Alias "WinExec" (ByVal lpCmdLine As String, ByVal nCmdShow As Long) As Long

· lpCmdLine
Points to a null-terminated character string that contains the command line (filename plus optional parameters) for the
application to be executed. If the name of the executable file in the lpCmdLine parameter does not contain a directory path,
Windows searches for the executable file in this sequence:
1. The directory from which the application loaded.
2. The current directory.
3. The Windows system directory. The GetSystemDirectory function retrieves the path of this directory.
4. The Windows directory. The GetWindowsDirectory function retrieves the path of this directory.
5. The directories listed in the PATH environment variable.

· uCmdShow
Specifies how a Windows-based application window is to be shown and is used to supply the wShowWindow member of the STARTUPINFO
parameter to the CreateProcess function. For a list of the acceptable values, see the description of the nCmdShow parameter of
the ShowWindow function. For a non-Windows - based application, the PIF file, if any, for the application determines the window
state.
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Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal
lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long

· hwnd
Specifies a parent window. This window receives any message boxes that an application produces. For example, an application
may report an error by producing a message box.

· lpOperation
Pointer to a null-terminated string that specifies the operation to perform. The following operation strings are valid:
“open”
 The function opens the file specified by lpFile. The file can be an executable file or a document file. The file can be a
folder to open.
“print”
 The function prints the file specified by lpFile. The file should be a document file. If the file is an executable file, the
function opens the file, as if “open” had been specified.
“explore”
 The function explores the folder specified by lpFile.

The lpOperation parameter can be NULL. In that case, the function opens the file specified by lpFile.

· lpFile
Pointer to a null-terminated string that specifies the file to open or print or the folder to open or explore. The function
can open an executable file or a document file. The function can print a document file.

· lpParameters
If lpFile specifies an executable file, lpParameters is a pointer to a null-terminated string that specifies parameters to be
passed to the application.
If lpFile specifies a document file, lpParameters should be NULL.

· lpDirectory
Pointer to a null-terminated string that specifies the default directory.

· nShowCmd
If lpFile specifies an executable file, nShowCmd specifies how the application is to be shown when it is opened. This
parameter can be one of the following values:
SW_HIDE
 Hides the window and activates another window.
SW_MAXIMIZE
 Maximizes the specified window.
SW_MINIMIZE
 Minimizes the specified window and activates the next top-level window in the Z order.
SW_RESTORE
 Activates and displays the window. If the window is minimized or maximized, Windows restores it to its original size and
position. An application should specify this flag when restoring a minimized window.
SW_SHOW
 Activates the window and displays it in its current size and position.
SW_SHOWDEFAULT
 Sets the show state based on the SW_ flag specified in the STARTUPINFO structure passed to the CreateProcess function by
the program that started the application. An application should call ShowWindow with this flag to set the initial show state
of its main window.
SW_SHOWMAXIMIZED
 Activates the window and displays it as a maximized window.
SW_SHOWMINIMIZED
 Activates the window and displays it as a minimized window.
SW_SHOWMINNOACTIVE
 Displays the window as a minimized window. The active window remains active.
SW_SHOWNA
 Displays the window in its current state. The active window remains active.
SW_SHOWNOACTIVATE
 Displays a window in its most recent size and position. The active window remains active.
SW_SHOWNORMAL
 Activates and displays a window. If the window is minimized or maximized, Windows restores it to its original size and
position. An application should specify this flag when displaying the window for the first time.

If lpFile specifies a document file, nShowCmd should be zero.

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Suerte y un saludo.