Microsoft KB Archive/103636: Difference between revisions
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To get the absolute state of RLSD, use the MSRshadow. For more information, please see the following article in the Microsoft Knowledge Base: | To get the absolute state of RLSD, use the MSRshadow. For more information, please see the following article in the Microsoft Knowledge Base: | ||
<blockquote>[[../ | <blockquote>[[../101417|Q101417]] Accessing the Modem Status Register (MSR) in Windows</blockquote> | ||
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Latest revision as of 16:17, 19 July 2020
BUG: EV_RLSDS Event Does Not Indicate Current RLSD State |
Q103636
The information in this article applies to:
- Microsoft Windows Software Development Kit (SDK) 3.1
SUMMARY
The EV_RLSDS communications event is documented as indicating the current state of the RLSD (receive-line-signal-detect or carrier detect). However, this event is never set.
SYMPTOMS
If SetCommEventMask() is used to enable the EV_RLSDS event, when GetCommEventMask() is called, the EV_RLSDS bit will always be 0 (zero).
RESOLUTION
To get the absolute state of RLSD, use the MSRshadow. For more information, please see the following article in the Microsoft Knowledge Base:
Q101417 Accessing the Modem Status Register (MSR) in Windows
STATUS
This will not be fixed in the Windows 3.1 COMM.DRV.
Additional query words: buglist3.10 3.10
Keywords :
Issue type :
Technology : kbAudDeveloper kbWin3xSearch kbSDKSearch kbWinSDKSearch kbWinSDK310
Last Reviewed: November 7, 1999 |