fixedLineSpacing
Set the text line spacing.
[read/write property]
fixedLineSpacing([out, retval] double *lineSpacing)
fixedLineSpacing([in] double lineSpacing)
This function sets the line spacing, or vertical character pitch, in
points. This value is used only in line printer mode; it will be
ignored in other modes.
If the line spacing is set to zero (the default value), line printer mode will automatically compute the vertical spacing.
VB:
pdf.fixedLineSpacing = 10.0