The SFTPRINTPREVIEWN_MBUTTONDOWN notification code is sent when the middle mouse button is clicked.

Parameters (WM_COMMAND Message)

wParam

The low-order word contains the Print Preview control's control identifier. The high-order word specifies the notification code SFTPRINTPREVIEWN_MBUTTONDOWN.

lParam

Window handle of the Print Preview control sending the notification.

Comments

The SFTPRINTPREVIEWN_MBUTTONDOWN notification code is sent when the middle mouse button is clicked.

The parent window of the Print Preview control receives the SFTPRINTPREVIEWN_MBUTTONDOWN notification code through the WM_COMMAND message.

The HitTest function can be used to determine the area being clicked.

This notification is not sent if the tool bar is clicked.

See Also  C/C++ API  |  C++ Classes  |  Notifications