-
undo
()
inherited
增量撤消記錄在堆棧中的操作。在調用此方法之前調用canUndo(),以檢查是否可以在操作實例上調用此方法。調用此方法將根據最後一個操作觸發 vertex-add 或 vertex-remove 事件。
例子:
if (action.canUndo()) { action.undo(); }
基本信息
以下是所在類或對象的基本信息。
AMD:
require(["esri/views/draw/PolylineDrawAction"], (PolylineDrawAction) => { /* code goes here */ });
ESM:
import PolylineDrawAction from "@arcgis/core/views/draw/PolylineDrawAction";
類:
esri/views/draw/PolylineDrawAction
繼承: PolylineDrawAction > DrawAction > Accessor
自從:用於 JavaScript 4.5 的 ArcGIS API
用法說明
PolylineDrawAction.undo
函數(或屬性)的定義如下:
相關用法
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注:本文由純淨天空篩選整理自arcgis.com大神的英文原創作品 PolylineDrawAction.undo。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。