RemoveAllElements

从当前文档或当前文档元素中移除所有元素。 💡 当所有元素被移除时，会自动创建一个新的空段落。如果要向此段落添加内容，请使用 ApiDocumentContent#GetElement 方法。

语法

expression.RemoveAllElements();

expression - 表示 ApiDocumentContent 类的变量。

参数

此方法没有任何参数。

返回值

boolean

示例

此示例演示如何从形状中删除所有元素。

// How to remove all elements from the slide shape.

// Get a slide shape's content and remove all elements from it.

const presentation = Api.GetPresentation();
const slide = presentation.GetSlideByIndex(0);
slide.RemoveAllObjects();

const fill = Api.CreateSolidFill(Api.RGB(255, 111, 61));
const stroke = Api.CreateStroke(0, Api.CreateNoFill());
const shape = Api.CreateShape("flowChartMagneticTape", 300 * 36000, 130 * 36000, fill, stroke);
shape.SetPosition(608400, 1267200);

const docContent = shape.GetDocContent();
let paragraph = docContent.GetElement(0);
paragraph.AddText("This is just a sample paragraph.");
docContent.RemoveAllElements();
paragraph = Api.CreateParagraph();
paragraph.AddText("We removed all elements from the shape and added a new paragraph inside it.");
docContent.Push(paragraph);
slide.AddObject(shape);