Microsoft Windows CE 3.0  


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This function indicates to the serial port driver that the platform is about to go into suspend mode.

BOOL COM_PowerDown(


Pointer to a handle to the device.

Return Values

Zero indicates success. A value of 1 indicates failure.


This function is exported to users. As with all power-down handlers, this function cannot call functions in other DLLs, memory allocators, debugging output functions, or do anything that could cause a page fault.


Runs on Versions Defined in Include Link to
Windows CE OS 1.0 and later Mdd.c    
Note   This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

See Also


 Last updated on Tuesday, July 13, 2004

© 2004 Microsoft Corporation. All rights reserved.