Adobe® Flex® 4 Language Reference
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flash.errors 
IOError 
Packageflash.errors
Classpublic dynamic class IOError
InheritanceIOError Inheritance Error Inheritance Object
Subclasses EOFError

Language Version: ActionScript 3.0
Runtime Versions: Flash Player 9, AIR 1.0

The IOError exception is thrown when some type of input or output failure occurs. For example, an IOError exception is thrown if a read/write operation is attempted on a socket that has not connected or that has become disconnected.

View the examples



Public Properties
 PropertyDefined By
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
 InheritederrorID : int
[read-only] Contains the reference number associated with the specific error message.
Error
 Inheritedmessage : String
Contains the message associated with the Error object.
Error
 Inheritedname : String
Contains the name of the Error object.
Error
 Inheritedprototype : Object
[static] A reference to the prototype object of a class or function object.
Object
Public Methods
 MethodDefined By
  
IOError(message:String = "")
Creates a new IOError object.
IOError
 Inherited
Returns the call stack for an error as a string at the time of the error's construction (for the debugger version of Flash Player and the AIR Debug Launcher (ADL) only; returns null if not using the debugger version of Flash Player or the ADL.
Error
 Inherited
Indicates whether an object has a specified property defined.
Object
 Inherited
Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.
Object
 Inherited
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
Returns the string representation of this object, formatted according to locale-specific conventions.
Object
 Inherited
[override] Returns the string "Error" by default or the value contained in the Error.message property, if defined.
Error
 Inherited
Returns the primitive value of the specified object.
Object
Constructor Detail

IOError

()Constructor
public function IOError(message:String = "")

Language Version: ActionScript 3.0
Runtime Versions: AIR 1.0 Flash Player 9

Creates a new IOError object.

Parameters
message:String (default = "") — A string associated with the error object.
IOErrorExample.as

The following example throws an IOError exception when it attempts to close a Sound stream that has never been loaded.
package {
    import flash.display.Sprite;
    import flash.errors.IOError;
    import flash.media.Sound;
      
    public class IOErrorExample extends Sprite
    {
        public function IOErrorExample()
        {
            var music:Sound = new Sound();
            try {
                  music.close();
                  trace("Stream closed.");
            } catch (error:IOError) {
                  trace("The stream could not be closed, or the stream was not open.");
            }
        }
    }
}