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Overview |
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Group |
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Quick Info
Windows NT
| No
| Win95
| Yes
| Win32s
| No
| Import Library
| -
| Header File
| pbt.h
| Unicode
| No
| Platform Notes
| None
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PBT_APMQUERYSUSPEND
The PBT_APMQUERYSUSPEND message is sent to request permission to suspend the
computer. An application that grants permission should carry out preparations
for the suspension before returning. A window receives this message through the WM_POWERBROADCAST message.
Flags = (DWORD) lParam;
Parameters
Flags
Action flags. If bit 0 is 1, the application can prompt the user for
directions on how to prepare for the suspension; otherwise, the application must prepare
without user interaction. All other bit values are reserved.
Return Values
Return TRUE to grant the request to suspend. To deny the request, return
BROADCAST_QUERY_DENY.
Remarks
An application should process this message by first determining whether
permission to suspend can be granted. It must not grant permission if doing so would
cause a loss of data. The application can prompt the user for directions on how
to prepare for suspension only if bit 0 in the Flags parameter is set.
See Also
WM_POWERBROADCAST
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