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Additional flags:
SWP_DRAWFRAME - Draws a frame (defined in the window’s
class description) around the window.
SWP_FRAMECHANGED - Sends a WM_NCCALCSIZE message to the
window, even if the window’s size is not being changed.
If this flag is not specified, WM_NCCALCSIZE is sent only when
the window’s size is being changed.
SWP_HIDEWINDOW - Hides the window.
SWP_NOACTIVATE - Does not activate the window. If this
flag is not set, the window is activated and moved to the top
of either the topmost or non-topmost group (depending on the
setting of the hWndInsertAfter parameter).
SWP_NOCOPYBITS - Discards the entire contents of the
client area. If this flag is not specified, the valid contents
of the client area are saved and copied back into the client
area after the window is sized or repositioned.
SWP_NOMOVE - Retains the current position (ignores the
X and Y parameters).
SWP_NOOWNERZORDER - Does not change the owner window’s
position in the Z order.
SWP_NOREDRAW - Does not redraw changes. If this flag
is set, no repainting of any kind occurs. This applies to the
client area, the nonclient area (including the title bar and
scroll bars), and any part of the parent window uncovered as
a result of the window being moved. When this flag is set, the
application must explicitly invalidate or redraw any parts of
the window and parent window that need redrawing.
SWP_NOREPOSITION - Same as the SWP_NOOWNERZORDER flag.
SWP_NOSENDCHANGING - Prevents the window from receiving
the WM_WINDOWPOSCHANGING message.
SWP_NOSIZE - Retains the current size (ignores the cx
and cy parameters).
SWP_NOZORDER - Retains the current Z order (ignores the
hWndInsertAfter parameter).
SWP_SHOWWINDOW - Displays the window.
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