QUERYESCSUPPORT

short Escape(hdc, QUERYESCSUPPORT, sizeof(int),lpEscNum, NULL)

The QUERYESCSUPPORT printer escape determines whether a particular escape is implemented by the device driver.

Parameters

hdc

HDC Identifies the device context.

lpEscNum

LPINT Points to a short integer that specifies the escape function to be checked.

Return Value

The return value specifies whether a particular escape is implemented. This value is nonzero for implemented escape functions. Otherwise, it is zero.

If the lpEscNum parameter is set to DRAWPATTERNRECT, the return value is one of the following values:

Value Meaning

0 DRAWPATTERNRECT is not implemented.
1 DRAWPATTERNRECT is implemented for a printer other than the HP LaserJet IIP; this printer supports white rules.
2 DRAWPATTERNRECT is implemented for the HP LaserJet IIP.