SetRequired
指定当前表单是否为必填项。
语法
expression.SetRequired(bRequired);
expression - 表示 ApiSignatureForm 类的变量。
参数
| 名称 | 必需/可选 | 数据类型 | 默认值 | 描述 |
|---|---|---|---|---|
| bRequired | 必需 | boolean | 定义当前表单是否为必填项（true）或非必填项（false）。 |
返回值
boolean
示例
在文档中将签名字段标记为必填。
// How do I control whether a signature field must be completed in a document?
// Verify that a signature field remains mandatory regardless of the required setting in a document.
let doc = Api.GetDocument();
let signatureForm = Api.CreateSignatureForm({"key": "Signature", "tip": "Please sign here", "placeholder": "Signature"});
let paragraph = doc.GetElement(0);
paragraph.AddElement(signatureForm);
signatureForm.SetRequired(false);
let required = signatureForm.IsRequired();
paragraph = Api.CreateParagraph();
paragraph.AddText("The first form from this document is required: " + required);
doc.Push(paragraph);