[python-win32] Image capture

[Tim Roberts]

On Wed, 5 Jan 2005 10:28:22 +0100, "Catalin Lungu" <lcatalin at siadv.com> 
wrote:

>Can anybody help me to implement the following VB code in Python. Thanks in advance.
>  
>

Do you have the rest of the application converted?  This is just one 
small part of a GUI-based application.  This one subroutine is 
responding to a button press, and in response is asking a grid control 
to refresh itself, and then print itself.  If you already have an app 
with a grid control and some kind of image control, then you need to 
tell us what you used for that (wxPython? tkinter? Qt?) before we can 
advise you on this routine.

>Private Declare Function SendMessage Lib "user32.dll" Alias _
>   "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, _
>   ByVal wParam As Long, ByVal lParam As Long) As Long
>
>Private Const WM_PAINT = &HF
>Private Const WM_PRINT = &H317
>Private Const PRF_CLIENT = &H4&
>Private Const PRF_CHILDREN = &H10&
>Private Const PRF_OWNED = &H20&
>
>Private Sub Command1_Click()
>   SendMessage grid.hwnd, WM_PAINT, picture.hDC, 0
>   SendMessage grid.hwnd, WM_PRINT, picture.hDC, PRF_CHILDREN Or PRF_CLIENT 
>Or PRF_OWNED
>   picture.Picture = picture.Image
>   picture.Refresh
>End Sub
>

-- 
- Tim Roberts, timr at probo.com
  Providenza & Boekelheide, Inc.