After underlining text, and zooming out, some of the lines appear thicker than others. It appears some lines are more aliased than others.
How can we correct this?
This is due to pixel alignment issues, and can be controlled with the pixel_grid_fit parameter of PDFViewCtrl.SetThinLineAdjustment function.
pdfviewctrl.[SetThinLineAdjustment](http://www.pdftron.com/pdfnet/docs/PDFNet/?topic=html/M_pdftron_PDF_PDFViewCtrl_SetThinLineAdjustment.htm)(pixel_grid_fit, true); // set pixel_grid_fit to true