/// DCX_VALIDATE is identical to using the BeginPaint function.</summary>

    ''' DCX_VALIDATE is identical to using the BeginPaint function.</summary>

• When this member is NULL, an application must paint its own background whenever it is requested to paint in its client area. To determine whether the background must be painted, an application can either process the WM_ERASEBKGND message or test the fErase member of the PAINTSTRUCT structure filled by the BeginPaint function.
Contains information that can be used to paint the client area of a window.
3/16/2007 8:18:39 AM - -212.72.208.162
The BeginPaint API
8/24/2011 3:40:03 AM - -66.6.114.140

• When this member is NULL, an application must paint its own background whenever it is requested to paint in its client area. To determine whether the background must be painted, an application can either process the WM_ERASEBKGND message or test the fErase member of the PAINTSTRUCT structure filled by the BeginPaint function.
Contains information that can be used to paint the client area of a window.
3/16/2007 8:18:39 AM - -212.72.208.162
The BeginPaint API
8/24/2011 3:40:03 AM - -66.6.114.140

static extern IntPtr BeginPaint(IntPtr hwnd, out PAINTSTRUCT lpPaint);

Public Shared Function BeginPaint(ByVal hwnd As IntPtr, <Out()> ByRef lpPaint As PAINTSTRUCT) As IntPtr

                        hdc = Win32.BeginPaint (hWnd, out ps) ;

    /// DCX_VALIDATE is identical to using the BeginPaint function.</summary>