PostThreadMessage (Compact 2013)

3/28/2014

This function places a message in the message queue of the specified thread and then returns without waiting for the thread to process the message.

Syntax

BOOL PostThreadMessage(
  DWORD idThread, 
  UINT Msg, 
  WPARAM wParam, 
  LPARAM lParam 
); 

Parameters

• idThread
  [in] Identifier of the thread to which the message will be posted.

• Msg
  [in] Specifies the type of message to be posted.

• wParam
  [in] Specifies additional message-specific information.

• lParam
  [in] Specifies additional message-specific information.

Return Value

Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError. GetLastError returns ERROR_INVALID_THREAD_ID if idThread is not a valid thread identifier.

Remarks

The thread to which the message is posted retrieves the message by calling the GetMessage or PeekMessage function. The hwnd member of the returned MSG structure is NULL.

Requirements

See Also

Reference

Message Queue Functions
GetMessage
MSG
PeekMessage
PostMessage

Other Resources

GetCurrentThreadId