## Physical Device Driver Reference

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### MOU_SETMOUSTATUS (5Ch) - Remarks

This function is the complement to MOU_GETMOUSTATUS. Only the high byte of the 1-WORD physical mouse device driver Status Flag can be set. If the Data Format flag is altered, the monitor chain and event queue are flushed for the calling session of this IOCtl.

It is useful to disable interrupt-time Pointer Draw device driver activity when an application is going to use an unsupported display mode for which it intends to provide the pointer image drawing support. If this is desired , the application must set this mouse state prior to switching the display mode.