ps_setpolydash Sets appearance of a dashed line &reftitle.description; boolps_setpolydash resourcepsdoc floatarr Sets the length of the black and white portions of a dashed line. ps_setpolydash is used to set more complicated dash patterns. &reftitle.parameters; psdoc arr arr is a list of length elements alternately for the black and white portion. &reftitle.returnvalues; &return.success; &reftitle.seealso; ps_setdash