Controls - BS_3STATE vs. BS_CHECKBOX in CXTCheckListBox

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BS_3STATE vs. BS_CHECKBOX in CXTCheckListBox

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Category: Codejock Products
Forum Name: Controls
Forum Description: Topics Related to Codejock Controls
URL: http://forum.codejock.com/forum_posts.asp?TID=17671
Printed Date: 17 May 2024 at 11:32pm
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Topic: BS_3STATE vs. BS_CHECKBOX in CXTCheckListBox

Posted By: cpede
Subject: BS_3STATE vs. BS_CHECKBOX in CXTCheckListBox
Date Posted: 14 December 2010 at 5:19am

You write the following in the doc for the CXTCheckListBox control:

// Remarks:
// Styles to be added or removed can be combined by using the bitwise
// OR (|) operator. It can be one or more of the following:
// * <b>BS_3STATE</b> Same as a check box, exce..............

Actually it cannot be one or more, since your code does this check:

ASSERT(
  nStyle == 0 ||
  nStyle == BS_CHECKBOX ||
  nStyle == BS_AUTOCHECKBOX ||
  nStyle == BS_AUTO3STATE ||
  nStyle == BS_3STATE);

I wanted to be able programmably to set an item to 3STATE, while the user should only be able to select and deselected items. Can this be done ?

-cpede

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Product: Xtreme ToolkitPro (22.1.0)
Platform: Windows 10 (x64)
Language: Visual Studio 2017 (C++)

Replies:

Posted By: Oleg
Date Posted: 15 December 2010 at 1:37am

Hi,

Thanks, description fixed.

You can set style to BS_AUTO3STATE and in CLBN_CHKCHANGE handler change manuall check state to "0" if its "2".

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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS