Function name: GetQueueStatus

Defined in : User32

Requirements : Windows NT 3.1 or later; Windows 95 or later

Declaration:

Declare Function GetQueueStatus Lib "user32" (ByVal fuFlags As Long) As Long

Parameters:

* flags [in] Specifies the types of messages for which to check. This parameter can be one or more of the following values. QS_ALLEVENTS An input, WM_TIMER, WM_PAINT, WM_HOTKEY, or posted message is in the queue. QS_ALLINPUT Any message is in the queue. QS_ALLPOSTMESSAGE A posted message (other than those listed here) is in the queue. QS_HOTKEY A WM_HOTKEY message is in the queue. QS_INPUT An input message is in the queue. QS_KEY A WM_KEYUP, WM_KEYDOWN, WM_SYSKEYUP, or WM_SYSKEYDOWN message is in the queue. QS_MOUSE A WM_MOUSEMOVE message or mouse-button message (WM_LBUTTONUP, WM_RBUTTONDOWN, and so on). QS_MOUSEBUTTON A mouse-button message (WM_LBUTTONUP, WM_RBUTTONDOWN, and so on). QS_MOUSEMOVE A WM_MOUSEMOVE message is in the queue. QS_PAINT A WM_PAINT message is in the queue. QS_POSTMESSAGE A posted message (other than those listed here) is in the queue. QS_SENDMESSAGE A message sent by another thread or application is in the queue. QS_TIMER A WM_TIMER message is in the queue.

Returns:

The high-order word of the return value indicates the types of messages currently in the queue. The low-order word indicates the types of messages that have been added to the queue and that are still in the queue since the last call to the GetQueueStatus, GetMessage, or PeekMessage function.

Related functions:

Examples:

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