Clear

清除当前表单。

继承自 ApiFormBase.Clear。

语法

expression.Clear();

expression - 表示 ApiComboBoxForm 类的变量。

参数

此方法没有任何参数。

返回值

boolean

示例

清除文档中组合框表单字段的所选值。

// How do I reset a combo box form field to its empty state in a document?

// Remove a previously entered answer from a combo box so the field shows its placeholder again in a document.

let doc = Api.GetDocument();
let comboBoxForm = Api.CreateComboBoxForm({"key": "Personal information", "tip": "Choose your country", "required": true, "placeholder": "Country", "editable": false, "autoFit": false, "items": ["Latvia", "USA", "UK"]});
let paragraph = doc.GetElement(0);
paragraph.AddElement(comboBoxForm);
comboBoxForm.SetText("John Smith");
comboBoxForm.Clear();
paragraph = Api.CreateParagraph();
paragraph.AddText("The first form from this document was cleared.");
doc.Push(paragraph);