Adds link which launches file

说明

bool ps_add_launchlink ( resource $psdoc , float $llx , float $lly , float $urx , float $ury , string $filename )

Places a hyperlink at the given position pointing to a file program which is being started when clicked on. The hyperlink's source position is a rectangle with its lower left corner at (llx, lly) and its upper right corner at (urx, ury). The rectangle has by default a thin blue border.

此说明在文档被打印或显示时不可见，只在文档用 Acrobat Distiller 或 Ghostview 转换成 PDF 时显示。

参数

psdoc: Resource identifier of the postscript file as returned by ps_new().
llx: The x-coordinate of the lower left corner.
lly: The y-coordinate of the lower left corner.
urx: The x-coordinate of the upper right corner.
ury: The y-coordinate of the upper right corner.
filename: The path of the program to be started, when the link is clicked on.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE.

参见

ps_add_locallink() - Adds link to a page in the same document
ps_add_pdflink() - Adds link to a page in a second pdf document
ps_add_weblink() - Adds link to a web location