Category: <b>MS Windows</b>
<p>
<pre><b>INT 2F - MS Windows - SWITCH VMs AND CALLBACK</b>

	AX = 1685h
	BX = VM ID of virtual machine to switch to
	CX = flags (see <a href=../../it/17/27.html>#02717</a>)
	DX:SI = priority boost (refer to VMM.INC)
	ES:DI -&gt; FAR procedure to callback
Return: CF set on error
	    AX = error code
		01h invalid VM ID
		02h invalid priority boost
		03h invalid flags
	CF clear if successful
	    event will be or has been called
Notes:	some DOS devices, such as networks, need to call functions in a
	  specific VM. This call forces the appropriate VM to be installed.
	the callback procedure must preserve all registers and return with IRET
SeeAlso: AX=1683h,INT 15/AX=1117h,AX=DB06h"WINGO"

</pre>