Office.AsyncContextOptions interface
提供一个选项,用于保留任何类型的上下文数据(不变),以便在回调中使用。
注解
示例
// The following example gets the attachment contents of the
// current mail item being composed in Outlook.
function getAttachmentContentCompose() {
const item = Office.context.mailbox.item;
const options: Office.AsyncContextOptions = { asyncContext: { currentItem: item } };
item.getAttachmentsAsync(options, callback);
function callback(result) {
if (result.status === Office.AsyncResultStatus.Failed) {
console.log(result.error.message);
return;
}
if (result.value.length <= 0) {
console.log("Mail item has no attachments.");
return;
}
const currentItem = result.asyncContext.currentItem;
for (let i = 0; i < result.value.length; i++) {
currentItem.getAttachmentContentAsync(result.value[i].id, (asyncResult) => {
if (asyncResult.status === Office.AsyncResultStatus.Failed) {
console.log(asyncResult.error.message);
return;
}
console.log(asyncResult.value.content);
});
}
}
}
属性
async |
在传递给回调的 |
属性详细信息
asyncContext
在传递给回调的 AsyncResult
对象的 属性中asyncContext
返回的任何类型的用户定义项,未更改。
asyncContext?: any
属性值
any