Reports that the user changed the view extent.
#include <kvvapi.h> VAPINM_EXTENT = uMsg; (wParam is not used) TPVAPIFirstLast lpFirstLast = (TPVAPIFirstLast*) lParam;
Argument |
Description |
---|---|
|
A pointer to a TPVAPIFirstLast structure that defines the view extent. |
None
This message is received to report the first and last logical addresses that are currently displayed. This message is generated when the user scrolls the document or resizes the client area. This message is not generated until a SB_ENDSCROLL
or WM_KEYUP
message is received in the case of a scroll.