Sending Buttonclick to another program

Thanks for reading this!

I'm looking for a good way to fire a "faked" buttonclick to another windows program written in C. Being that a buttonclick is nothing more than a "windows message", I would think that would easily be possible.

Second issue:

Would it be possible to click a toolbar button in another program with code?

Thanks for any info!
Phil

Code:

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Public Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Declare Function findwindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Declare Function SendMessageByNum& Lib "User32" Alias "SendMessageA" (ByVal Hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long)

Public Const WM_LBUTTONDOWN = &H201
Public Const WM_LBUTTONUP = &H202


Sub Click(Wh)
DoEvents
X = sendmessagebynum(Wh, WM_LBUTTONDOWN, 0, 0&)
X = sendmessagebynum(Wh, WM_LBUTTONUP, 0, 0&)
End Sub


Use:

'x = Findwindow(hwnd, vbnullstring)
'button = FindWindowEx(hwnd, 0&, "button", vbNullString)
'Click button

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Something like that.

Looks pretty good Matt, but have you had any experience with "clicking" another programs toolbar buttons? How could this be accomplished?


The application I have to develop must be able to do one simple thing:

Click the "Save" button on the other program. The other program is pretty old (writen in Win31 days I believe). Unfortunatly there are no hotkeys to "send" so only a "click" will work.


I owe someone a big ol beer if they figure this one out before I do!!

Philip