Message Queue Functions
The following table shows the message queue functions with a description of the purpose of each.
| Programming element | PPC | SP | Description |
|---|---|---|---|
| DispatchMessage | X | X | This function dispatches a message to a window procedure. |
| GetMessage | X | X | This function retrieves a message from the calling thread's message queue and places it in the specified structure. |
| GetMessagePos | X | X | This function returns a long value that gives the cursor position in screen coordinates. |
| GetMessageQueueReadyTimeStamp | X | X | This function retrieves the time at which a specified thread was last ready to process a message. |
| GetMessageSource | X | X | This function determines the source of a keyboard message. |
| InSendMessage | X | X | This function determines whether the current window procedure is processing a message that was sent from another thread (in the same process or a different process) by a call to the SendMessage function. |
| PeekMessage | X | X | This function checks a thread message queue for a message and places the message (if any) in the specified structure. |
| PostMessage | X | X | This function places a message in the message queue associated with the thread that created the specified window and then returns without waiting for the thread to process the message. |
| PostQuitMessage | X | X | This function indicates to Windows that a thread has made a request to terminate (quit). |
| PostThreadMessage | X | X | 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. |
| RegisterWindowMessage | X | X | This function defines a new window message that is guaranteed to be unique throughout the system. |
| SendMessage | X | X | This function sends the specified message to a window or windows. |
| SendMessageTimeout | X | X | This function sends a specified message to a window by calling the window procedure for the specified window, with the message as one of the parameters for the window procedure. |
| SendNotifyMessage | X | X | This function sends the specified message to the given window. |
| TranslateMessage | X | X | This function translates virtual-key messages into character messages. |
See Also
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