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Annotation of q_a/samples/threads/readme.txt, revision 1.1

1.1     ! root        1:  Sample: Using Thread API Functions
        !             2: Summary:
        !             3: 
        !             4: The THREADS sample application shows how to use
        !             5: SetThreadPriority, SuspendThread, and ResumeThread.
        !             6: 
        !             7: More Information:
        !             8: 
        !             9: To use THREAD, start the application. Two threads will be
        !            10: created; one will draw a red rectangle and the other a green
        !            11: rectangle. Both of these rectangles move about the window;
        !            12: their speed and behavior is based on the thread priority and
        !            13: its resumed/suspended status. The priority and status are
        !            14: set through menu selections.
        !            15: 
        !            16: Of special interest is the suspension count. The system
        !            17: keeps track of the number of times a thread has been
        !            18: suspended and resumed. Each time the thread is suspended,
        !            19: the count is incremented; each time it is resumed, the count
        !            20: is decremented. The suspension count can either be tracked
        !            21: by applications manually, the same way this sample
        !            22: application does, or the return value from ResumeThread and
        !            23: SuspendThread can be used to obtain the previous suspension
        !            24: count before the call was made. Only when the suspension
        !            25: count is zero will the thread run.
        !            26: 
        !            27: A thread has only five priorities that you are allowed to
        !            28: use:
        !            29: 
        !            30:    THREAD_PRIORITY_LOWEST
        !            31:    THREAD_PRIORITY_BELOW_NORMAL
        !            32:    THREAD_PRIORITY_NORMAL
        !            33:    THREAD_PRIORITY_ABOVE_NORMAL
        !            34:    THREAD_PRIORITY_HIGHEST
        !            35: 
        !            36: Other priorities are reserved for use by the system only.
        !            37: 
        !            38: The following is a list of the Win32 API functions used in
        !            39: this sample:
        !            40: 
        !            41:    CreateSolidBr  GetMessage     Rectangle      Sleep
        !            42:    ush
        !            43:    CreateThread   GetStockObjec  RegisterClass  SuspendThread
        !            44:                   t
        !            45:    CreateWindow   GetSystemTime  ReleaseDC      TerminateThre
        !            46:                                                 ad
        !            47:    DispatchMessa  LoadCursor     ResumeThread   wsprintf
        !            48:    ge
        !            49:    GetClientRect  LoadIcon       SelectObject   
        !            50:    GetDC          MessageBox     SetThreadPrio  
        !            51:                                  rity
        !            52:    GetLastError   PostQuitMessa  ShowWindow     
        !            53:                   ge
        !            54: 
        !            55: 
        !            56: 

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