Global Variable グローバル変数

NSFileHandleReadCompletionNotification

Posted when the file handle reads the data currently available in a file or at a communications channel.

Declaration 宣言 

const NSNotificationName NSFileHandleReadCompletionNotification;

Discussion 議論

It makes the data available to observers by putting it in the userInfo dictionary. To cause the posting of this notification, you must send either readInBackgroundAndNotify or readInBackgroundAndNotifyForModes: to an appropriate NSFileHandle object. それはデータを、それをuserInfo辞書の中に置くことによってオブザーバに利用可能にします。この通知を投函することを引き起こすには、あなたはreadInBackgroundAndNotifyまたはreadInBackgroundAndNotifyForModes:のどちらかを適切なNSFileHandleオブジェクトに送らなければなりません。

The notification object is the NSFileHandle object that sent the notification. The userInfo dictionary contains the following information: 通知オブジェクトは、通知を送ったNSFileHandleオブジェクトです。userInfo辞書は、以下の情報を含みます：

Key

Value 値

NSFileHandleNotificationDataItem

An NSData object containing the available data read from a socket connection.

@"NSFileHandleError"

An NSNumber object containing an integer representing the UNIX-type error which occurred.

See Also 参照

Notifications 通知

NSFileHandleConnectionAcceptedNotification
Posted when a file handle object establishes a socket connection between two processes, creates a file handle object for one end of the connection, and makes this object available to observers.
NSFileHandleDataAvailableNotification
Posted when the file handle determines that data is currently available for reading in a file or at a communications channel.
NSFileHandleReadToEndOfFileCompletionNotification
Posted when the file handle reads all data in the file or, in a communications channel, until the other process signals the end of data.