Rebol 程式設計/win-offset?

用法

WIN-OFFSET? face 

描述

返回一個面在其視窗中的偏移量。

WIN-OFFSET? 是一個函式值。

引數

• face -- (型別：物件)

原始碼

win-offset?: func [
    "Returns the offset of a face within its window." 
    face [object!] 
    /local xy
][
    xy: 0x0 
    while [face/parent-face] [
        xy: xy + face/offset 
        face: face/parent-face 
        if face/edge [xy: xy + face/edge/size]
    ] 
    xy
]