please dont rip this site Prev Next

CB_INITSTORAGE Overview  Group

An application sends the CB_INITSTORAGE message before adding a large number of items to the list box portion of a combo box. This message allocates memory for storing list box items.

CB_INITSTORAGE 

wParam = (WPARAM) (int) cItems;  // number of items to add 

lParam = (LPARAM) (DWORD) cb;    // amount of memory to allocate, in bytes 

 

Parameters

cItems
Specifies the number of items to add.
cb
Specifies the amount of memory to allocate for item strings, in bytes.

Return Values

If the message is successful, the return value is the maximum number of items that the memory object can store.

If the message fails, the return value is CB_ERR.

Remarks

Windows 95: This message helps speed up the initialization of combo boxes that have a large number of items (over 100). It reserves the specified amount of memory so that subsequent CB_ADDSTRING, CB_INSERTSTRING, and CB_DIR messages take the shortest possible time. You can use estimates for the cItems and cb parameters. If you overestimate, the extra memory is allocated, if you underestimate, the normal allocation is used for items that exceed the requested amount.

Windows NT: This message is not needed on Windows NT. It does not reserve the specified amount of memory, because available memory is virtually unlimited. The return value is always the value specified in the cItems parameter.

See Also

CB_ADDSTRING, CB_DIR, CB_INSERTSTRING

 

See also:


file: /Techref/os/win/api/win32/mess/src/msg01_28.htm, 2KB, , updated: 2000/4/7 12:19, local time: 2022/5/19 12:01,
TOP NEW HELP FIND: 
3.235.24.113:LOG IN

 ©2022 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions?
Please DO link to this page! Digg it! / MAKE!

<A HREF="http://www.piclist.com/techref/os/win/api/win32/mess/src/msg01_28.htm"> CB_INITSTORAGE</A>

After you find an appropriate page, you are invited to your to this massmind site! (posts will be visible only to you before review) Just type a nice message (short messages are blocked as spam) in the box and press the Post button. (HTML welcomed, but not the <A tag: Instead, use the link box to link to another page. A tutorial is available Members can login to post directly, become page editors, and be credited for their posts.


Link? Put it here: 
if you want a response, please enter your email address: 
Attn spammers: All posts are reviewed before being made visible to anyone other than the poster.
Did you find what you needed?

  PICList 2022 contributors:
o List host: MIT, Site host massmind.org, Top posters @20220519
* Page Editors: James Newton, David Cary, and YOU!
* Roman Black of Black Robotics donates from sales of Linistep stepper controller kits.
* Ashley Roll of Digital Nemesis donates from sales of RCL-1 RS232 to TTL converters.
* Monthly Subscribers: Gregg Rew. on-going support is MOST appreciated!
* Contributors: Richard Seriani, Sr.
 

Welcome to www.piclist.com!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  .