# ps_set_border_dash

(PECL ps >= 1.1.0)

ps_set_border_dash — Sets length of dashes for border of annotations

### 说明

ps_set_border_dash ( resource `$psdoc` , float `$black` , float `$white` ) : bool

Links added with one of the functions ps_add_weblink(), ps_add_pdflink(), etc. will be displayed with a surounded rectangle when the postscript document is converted to pdf and viewed in a pdf viewer. This rectangle is not visible in the postscript document. This function sets the length of the black and white portion of a dashed border line.

### 参数

`psdoc`

  Resource identifier of the postscript file as returned by ps_new().

`black`

  The length of the dash.

`white`

  The length of the gap between dashes.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- ps_set_border_color() - Sets color of border for annotations
- ps_set_border_style() - Sets border style of annotations