Int 2F Fn DE02 C - Desqview V2.26+ External Dev Interface - Dv Initializ [Q]
AX = DE02h
BX = mapping context of DESQview
DX = handle of DESQview system task
Note: driver should pass this call to previous handler after doing its work
See Also: AX=DE03h,AX=DE0Fh,INT 15/AX=5400h