Microsoft KB Archive/43536

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Using _getvideoconfig for Analog Monitors

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Q43536

5.10 6.00 6.00a 6.00ax 7.00 | 1.00 MS-DOS | WINDOWS kbprg -- The information in this article applies to: - The C Run-time (CRT), included with: - Microsoft C for MS-DOS, versions 5.1, 6.0, 6.0a, and 6.0ax - Microsoft C/C++ for MS-DOS, version 7.0 - Microsoft Visual C++ for Windows, version 1.0 -- In the Microsoft C 5.1 Optimizing Compiler Run-Time Library, the function _getvideoconfig does not make a distinction between an analog color monitor and an analog monochrome monitor. For both of these configurations, it puts the value _ANALOG in the &quot;monitor&quot; field of the struct &quot;videoconfig.&quot; _ANALOG is a manifest constant defined in the include file GRAPH.H to be 0x0018. The function _getvideoconfig is enhanced in QuickC version 2.0 and later, and Microsoft C version 6.0 and later to recognize analog monitors as being color or monochrome. There are two additional manifest constants defined in the new GRAPH.H: _ANALOGCOLOR (defined to be 0x0010) and _ANALOGMONO (0x0008). Additional reference words: kbinf 5.10 6.00 6.00a 6.00ax 7.00 1.00 KBCategory: kbprg KBSubcategory: CRTIss GraphicsIss

Keywords : kb16bitonly

Issue type :

Technology : kbVCsearch kbAudDeveloper kbCRT