WinQuerySwitchHandle: Difference between revisions
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Returns of [[HSWITCH]] with values of the switch handle or zero with an error occurring. | Returns of [[HSWITCH]] with values of the switch handle or zero with an error occurring. | ||
Possible returns from [[ | Possible returns from [[WinGetLastError]]: | ||
* [[PM Error Codes#PMERR_INVALID_PARAMETERS|PMERR_INVALID_PARAMETERS]] | * [[PM Error Codes#PMERR_INVALID_PARAMETERS|PMERR_INVALID_PARAMETERS]] | ||
* [[PM Error Codes#PMERR_INVALID_PROCESS_ID|PMERR_INVALID_PROCESS_ID]] | * [[PM Error Codes#PMERR_INVALID_PROCESS_ID|PMERR_INVALID_PROCESS_ID]] |
Revision as of 17:58, 4 December 2019
Get a task list entry handle.
Syntax
WinQuerySwitchHandle (wndwHndl, processId)
Parameters
- wndwHndl - HWND - input
- Window handle or NULLHANDLE if specifying with processId.
- processId - PID - input
- Process identifier in the task list or zero if using the window handle.
Returns
Returns of HSWITCH with values of the switch handle or zero with an error occurring.
Possible returns from WinGetLastError:
Define (C/C++)
INCL_WINSWITCHLIST or INCL_WIN or INCL_PM
Calling Convention
Example Code
HWND wndwHndl; PID processId; HSWITCH rc; ... rc = WinQuerySwitchHandle(wndwHndl, NULL); ...
OR
... rc = WinQuerySwitchHandle(NULL, processId); ...
Related Functions
- WinQuerySwitchEntry
- WinQueryWindowProcess
- WinRemoveSwitchEntry
Notes
If wndwHndl and processId are used, they must be correct