Category: <b>DESQview/TopView and Quarterdeck programs</b>
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<pre><b>INT 15 - DESQview v2.00+ - "APILEVEL" - DEFINE MINIMUM API LEVEL REQUIRED</b>

	AX = DE0Bh
	BL = API level minor version number
	BH = API level major version number
Return: AX = maximum API level (AH = major, AL = minor)
Notes:	if the requested API level is greater than the version of DESQview, a
	  "You need a newer version" error window is popped up
	the API level defaults to 1.00, and is inherited by child tasks
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