SetBeginArrow

设置笔触的起始箭头。

语法

expression.SetBeginArrow(type, width, length);

expression - 表示 ApiStroke 类的变量。

参数

名称	必需/可选	数据类型	默认值	描述
type	必需	LineEndType		起始箭头的类型。
width	可选	LineEndSize	"medium"	起始箭头的宽度。
length	可选	LineEndSize	"medium"	起始箭头的长度。

返回值

boolean

示例

在电子表格中为形状边框的起点添加箭头。

// How do I set the beginning arrow of a shape's outline in a spreadsheet?

// Create a shape, retrieve its stroke, and apply a triangle arrow to the start of the border line in a spreadsheet.

let worksheet = Api.GetActiveSheet();
let fill = Api.CreateSolidFill(Api.RGB(255, 200, 100));
let stroke = Api.CreateStroke(36000, Api.CreateSolidFill(Api.RGB(0, 0, 255)));
let shape = worksheet.AddShape("line", 60 * 36000, 40 * 36000, fill, stroke, 3, 0, 2, 2);
let retrievedStroke = shape.GetLine();
let result = retrievedStroke.SetBeginArrow("triangle", "medium", "large");
worksheet.GetRange("A1").SetValue("Begin arrow set: " + result);