Windows 3.1 Device Drivers (ddag31qh.hlp) (Table of Contents; Topic list)
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GETTRACKKERNTABLE
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#define GETTRACKKERNTABLE 259 
short Control(lpDevice, GETTRACKKERNTABLE, NULL, lpOutData)
LPPDEVICE lpDevice;
LPKERNTRACK lpOutData;
 
The GETTRACKKERNTABLE escape fills the buffer pointed to by the lpOutData
parameter with the track-kerning table for the currently selected font.
 
Parameter  Description
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lpDevice   Points to a PDEVICE structure specifying the destination device.
 
lpOutData  Points to an array of KERNTRACK structures. This array must be
           large enough to accommodate all the font's kerning tracks. The
           number of tracks in the font can be obtained from the
           EXTTEXTMETRIC structure returned by the GETEXTENDEDTEXTMETRICS
           escape. If lpOutData is NULL, GETTRACKKERNTABLE returns the
           number of table entries.
 
Return Value
 
The return value is the number of KERNTRACK structures copied to the buffer.
The return value is zero if the font does not have kerning tracks defined,
if the function fails, or if the escape is not implemented.
 
Comments
 
The values returned in the KERNTRACK structures are affected by whether
relative character widths are enabled or disabled.
 
See Also
 
ENABLERELATIVEWIDTHS, GETEXTENDEDTEXTMETRICS, EXTTEXTMETRIC, PDEVICE,
KERNTRACK, PDEVICE