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C# translation 2

Posted on 2004-04-09
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Last Modified: 2010-04-15
What would be the c# translation of this code?:

LRESULT CPaintHook::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    assert(m_OldWndProc);

    if ( uMsg==WM_PRINTCLIENT )
    {
        m_hDC = (HDC) wParam;
        uMsg  = WM_PAINT;
    }
       
    LRESULT hRslt = CallWindowProc(m_OldWndProc, hWnd, uMsg, wParam, lParam);

    m_hDC = NULL;

    return hRslt;
}
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Question by:rossryan
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AlexFM earned 2000 total points
ID: 10789656
This is subclassed window procedure. .NET allows to do the same using NativeWindow.WndProc Method. You can subclassing sample in this article:

http://www.vbaccelerator.com/home/NET/Code/Libraries/Windows_Messages/Subclassing_in__NET/article.asp

This code does some trick with WM_PRINTCLIENT message, possibly showing result of this message in another window.
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