June 2001
Intermediate to advanced
706 pages
24h 10m
English
Content preview from Subclassing and Hooking with Visual BasicBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Name
Public Const WM_SYSCOMMAND = &H112
Synopsis
-
wParam Indicates the action initiated by the user; can be one of the following, defined in Appendix C:
SC_CLOSESC_CONTEXTHELPSC_DEFAULTSC_HOTKEYSC_HSCROLLSC_KEYMENUSC_MAXIMIZESC_MINIMIZESC_MONITORPOWERSC_MOUSEMENUSC_MOVESC_NEXTWINDOWSC_PREVWINDOWSC_RESTORESC_SCREENSAVESC_SIZESC_TASKLISTSC_VSCROLL-
lParam The low-order word contains the x-coordinate of the mouse pointer if a menu item is selected; otherwise, it is not used. The high-order word contains the y-coordinate of the mouse pointer if a menu item is selected by the mouse; it is -1 if an accelerator is used to access the menu item, or it is if a mnemonic is used to access the menu item.
- Description
Sent when a menu item is selected from the Window menu, the Minimize button is clicked, the Maximize button is clicked, the Restore button is clicked, or the Close button is clicked.
- Return Value
0 only if the application processes this message.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.