Default Message Processing

This section describes the window messages handled by the window procedure for the ANIMATE_CLASS window class.

Message	Processing performed
WM_CLOSE	Frees the .AVI file or AVI resource associated with the animation control.
WM_DESTROY	Frees the .AVI file or AVI resource, frees an internal data structure, and then calls the DefWindowProc function.
WM_ERASEBKGND	Erases the window background using the current background color for static controls.
WM_NCCREATE	Allocates and initializes an internal data structure and then calls DefWindowProc.
WM_NCHITTEST	Returns the HTTRANSPARENT hit test value.
WM_PAINT	Draws an AVI frame in the animation control.
WM_SIZE	Checks if the control has the ACS_CENTER style. If the control does not, it calls DefWindowProc. Otherwise, it centers the animation in the control, invalidates the control, and then calls DefWindowProc.

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