SetLanguage
指定在处理文本块内容时将用于检查拼写和语法（如果请求）的语言。
语法
expression.SetLanguage(langId);
expression - 表示 ApiTextPr 类的变量。
参数
| 名称 | 必需/可选 | 数据类型 | 默认值 | 描述 |
|---|---|---|---|---|
| langId | 必需 | string | null | 此参数的可能值为 RFC 4646/BCP 47 定义的语言标识符。示例："en-CA"。传递 null 可移除语言。 |
返回值
示例
// How do I choose the proofing language with text properties in a presentation?
// Get the text properties of a run and assign a language code so the text is checked against the matching dictionary in a presentation.
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();
const paragraph = docContent.GetElement(0);
const run = Api.CreateRun();
const textPr = run.GetTextPr();
textPr.SetFontSize(50);
textPr.SetLanguage("en-CA");
paragraph.SetJc("left");
run.AddText("This is a sample text.");
paragraph.AddElement(run);
slide.AddObject(shape);