WinCreateMsgQueue

After calling WinInitialize, you must call this function if your thread needs to respond to messages. Save the handle, as other functions need it as input.

Syntax
WinCreateMsgQueue( hab, maxMsg ) : Creates a message queue.

Parameters

 * HAB hab (input) : Anchor block of calling thread (from WinInitialize or WinQueryAnchorBlock).
 * LONG maxMsg (input) : The number of messages the queue can hold. Pass 0 for system default.

Returns
0x100A PMERR_RESOURCE_NOT_FOUND 0x1011 PMERR_HEAP_OUT_OF_MEMORY 0x1012 PMERR_HEAP_MAX_SIZE_REACHED 0x1018 PMERR_QUEUE_TOO_LARGE 0x1051 PMERR_NOT_IN_A_PM_SESSION 0x1052 PMERR_MSG_QUEUE_ALREADY_EXISTS
 * HMQ hmq : Handle to the newly created message queue. NULLHANDLE is returned if there was an error. WinGetLastError will return one of:

Define (C/C++)

 * 1) define INCL_WINMESSAGEMGR
 * 2) include 

Example Code
HAB hab; ULONG flOptions = 0L; HMQ hmq; hab=WinInitialize(flOptions); hmq=WinCreateMsgQueue(hab, 0L); if (hmq) { :          }
 * 1) define INCL_WINMESSAGEMGR
 * 2) include 

Related Functions

 * WinDestroyMsgQueue
 * WinPostMessage
 * WinSendMessage