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PGN_CALCSIZE

PGN_CALCSIZE
    lpnmcs = (LPNMPGCALCSIZE) lParam;

Notification sent by a pager control to obtain the scrollable dimensions of the contained window. These dimensions are used by the pager control to determine the scrollable size of the contained window. This notification is sent in the form of a WM_NOTIFY message.

• The return value is ignored.

lpnmcs

Address of an NMPGCALCSIZE structure that contains and receives information about the notification. The dwFlag member of this structure indicates which dimension is being calculated. Depending on the value of dwFlags, you should place the desired dimension in the iWidth or iHeight member of this structure.

Version 4.71

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