WM_MenuSelect help!

[Mathiaslylo]

I need to know how to use SendMessage or PostMessage to click a specific menu.

I know a lot of window handles, and the SendMessage & PostMessage API. So if you need any extra details to help me, tell me.

This is the menu I want to hit.

[manavo11]

Here is one way :

'Example by Daniel Kaufmann ([email protected])
 
'Paste this code in a Form
'with a Menu named menu1 which has a menuitem named menu2
 
Private Type POINTAPI
    x As Long
    y As Long
End Type
Private Type RECT
    Left As Long
    Top As Long
    Right As Long
    Bottom As Long
End Type
 
Private Declare Function GetMenu Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function GetMenuItemRect Lib "user32" (ByVal hwnd As Long, ByVal hMenu As Long, ByVal uItem As Long, lprcItem As RECT) As Long
Private Declare Function GetSubMenu Lib "user32" (ByVal hMenu As Long, ByVal nPos As Long) As Long
 
Private Const MOUSEEVENTF_ABSOLUTE = &H8000 ' absolute move
Private Const MOUSEEVENTF_LEFTDOWN = &H2 ' left button down
Private Const MOUSEEVENTF_LEFTUP = &H4 ' left button up
Private Const MOUSEEVENTF_MOVE = &H1 ' mouse move
Private Const MOUSEEVENTF_MIDDLEDOWN = &H20
Private Const MOUSEEVENTF_MIDDLEUP = &H40
Private Const MOUSEEVENTF_RIGHTDOWN = &H8
Private Const MOUSEEVENTF_RIGHTUP = &H10
 
Private Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)
Private Declare Function GetMessageExtraInfo Lib "user32" () As Long
Private Declare Function GetSystemMetrics Lib "user32" (ByVal nIndex As Long) As Long
Const SM_CXSCREEN = 0 'X Size of screen
Const SM_CYSCREEN = 1 'Y Size of Screen
 
Private Sub Form_KeyPress(KeyAscii As Integer)
    Dim mWnd As Long
    mWnd = Me.hwnd
    
    Dim hMenu As Long, hSubMenu As Long
 
    hMenu = GetMenu(mWnd) 'Get the Menu of the Window(MenuBar)
    ClickMenuItem mWnd, hMenu, 0 'Click on the first SubMenu
    hSubMenu = GetSubMenu(hMenu, 0) 'Get its submenu
    ClickMenuItem mWnd, hSubMenu, 0 'Click on the first MenuItem of the Submenu
    
End Sub
 
 
Private Sub ScreenToAbsolute(lpPoint As POINTAPI)
lpPoint.x = lpPoint.x * (&HFFFF& / GetSystemMetrics(SM_CXSCREEN))
lpPoint.y = lpPoint.y * (&HFFFF& / GetSystemMetrics(SM_CYSCREEN))
End Sub
 
Private Sub Click(p As POINTAPI)
'p.X and p.Y in absolute coordinates
'Put the mouse on the point
 
mouse_event MOUSEEVENTF_ABSOLUTE Or MOUSEEVENTF_MOVE, p.x, p.y, 0, GetMessageExtraInfo()
'Mouse Down
mouse_event MOUSEEVENTF_LEFTDOWN, 0, 0, 0, GetMessageExtraInfo()
'Mouse Up
mouse_event MOUSEEVENTF_LEFTUP, 0, 0, 0, GetMessageExtraInfo()
End Sub
 
Private Sub ClickMenuItem(ByVal mWnd As Long, ByVal hMenu As Long, ByVal Pos As Long)
Dim ret As Long
Dim r As RECT, p As POINTAPI
ret = GetMenuItemRect(mWnd, hMenu, Pos, r)
If ret = 0 Then Exit Sub
p.x = (r.Left + r.Right) / 2
p.y = (r.Top + r.Bottom) / 2
ScreenToAbsolute p
'Click on p
Click p
End Sub
 
Private Sub Form_Load()
Dim mWnd As Long, p As POINTAPI
mWnd = Me.hwnd
Dim hMenu As Long, hSubMenu As Long
hMenu = GetMenu(mWnd) 'Get the Menu of the Window(MenuBar)
ClickMenuItem mWnd, hMenu, 0 'Click on the first SubMenu
hSubMenu = GetSubMenu(hMenu, 0) 'Get its submenu
ClickMenuItem mWnd, hSubMenu, 0 'Click on the first MenuItem of the Submenu
p.x = &HFFFF& / 2
p.y = &HFFFF& / 2
Click p
Me.AutoRedraw = True
Me.BackColor = vbWhite
Print "Press any key"
End Sub
 
Private Sub menu2_Click()
MsgBox "Click"
End Sub