SetLockAspectRatio

锁定当前图片表单的宽高比。

语法

expression.SetLockAspectRatio(isLock);

expression - 表示 ApiPictureForm 类的变量。

参数

名称	必需/可选	数据类型	默认值	描述
isLock	可选	boolean	true	指定当前图片表单的宽高比是否锁定（true）或不锁定（false）。

返回值

boolean

示例

此示例锁定图片表单的宽高比。

// How to lock an aspect ratio of the picture form in this document.

// Lock the aspect ratio of the picture form.

let doc = Api.GetDocument();
let pictureForm = Api.CreatePictureForm({"key": "Personal information", "tip": "Upload your photo", "required": true, "placeholder": "Photo", "scaleFlag": "tooBig", "respectBorders": false, "shiftX": 50, "shiftY": 50});
let paragraph = doc.GetElement(0);
paragraph.AddElement(pictureForm);
pictureForm.SetImage("https://static.onlyoffice.com/assets/docs/samples/img/onlyoffice_logo.png", Api.MillimetersToEmus(70), Api.MillimetersToEmus(80));
pictureForm.SetLockAspectRatio(true);
let lock = pictureForm.IsLockAspectRatio();
paragraph = Api.CreateParagraph();
paragraph.AddText("The aspect ratio of the picture form in this document is locked: " + lock);
doc.Push(paragraph);