Microsoft KB Archive/39544

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INFO: Limit to the Number of Characters Stored in a List Box

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Q39544

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The information in this article applies to:


 * Microsoft Windows Software Development Kit (SDK) versions 3.0, 3.1

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SUMMARY
The memory limit for a Windows list box depends strictly on the number of characters, not on the number of items in the list box. The memory for the strings is allocated from global memory, but the internal code assumes that the total amount of memory required by the strings in the list box will not exceed 32K (in Windows versions 2.x). If the total memory required by the strings is more than 32K, the list box will not function correctly.

Under Windows version 3.0, the limit is 64K of text.

Additional query words: listbox

Keywords : kb16bitonly kbCtrl kbListBox kbSDKPlatform kbGrpDSUser

Issue type : kbinfo

Technology : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK300 kbWinSDK310