Article ID: 813416 - View products that this article applies to.
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When you use the TreeView control or the ListView control in Visual Basic 6.0, and you select the CheckBoxes option, you cannot see these check boxes under some Windows color schemes such as High Contrast Black. The TreeView and ListView controls are from Microsoft Windows Common Controls 6.0 (Mscomctl.ocx).
This behavior occurs because the mask color for these controls is hard-coded. Windows uses the mask color to draw the check boxes. This hotfix addresses the problem by using a mask color that is based on the current Windows color scheme.
A supported fix is now available from Microsoft, but it is only intended to correct the problem described in this article. Only apply it to systems that are experiencing this specific problem. This fix may receive additional testing to further ensure product quality. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Visual Studio 6 Service Pack 6 that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMSNote In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date Time Version Size File name ------------------------------------------------------ 20-Jan-2003 22:42 188.8.131.52 1,062,160 Mscomctl.ocx
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.
Steps to Reproduce the Behavior
Article ID: 813416 - Last Review: February 27, 2014 - Revision: 2.2