File​Input​Stream File​Input​Stream File​Input​Stream File​Input​Stream Class

Definition

Reads data from a file.

public : sealed class FileInputStream : IClosable, IInputStreampublic sealed class FileInputStream : IDisposable, IInputStreamPublic NotInheritable Class FileInputStream Implements IDisposable, IInputStream// You can use this class in JavaScript.
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

Methods

Close() Close() Close() Close()

Closes the current stream and releases system resources.

public : void Close()This member is not implemented in C#This member is not implemented in VB.Net// You can use this method in JavaScript.
See Also

Dispose() Dispose() Dispose() Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

This member is not implemented in C++void Dispose()Sub Disposevoid Dispose()

ReadAsync(IBuffer, UInt32, InputStreamOptions) ReadAsync(IBuffer, UInt32, InputStreamOptions) ReadAsync(IBuffer, UInt32, InputStreamOptions) ReadAsync(IBuffer, UInt32, InputStreamOptions)

Returns an asynchronous byte reader object.

public : IAsyncOperationWithProgress<IBuffer, unsigned short> ReadAsync(IBuffer buffer, unsigned int count, InputStreamOptions options)public IAsyncOperationWithProgress<IBuffer, uint> ReadAsync(IBuffer buffer, UInt32 count, InputStreamOptions options)Public Function ReadAsync(buffer As IBuffer, count As UInt32, options As InputStreamOptions) As IAsyncOperationWithProgress( Of IBuffer, uint )// You can use this method in JavaScript.
Parameters
buffer
IBuffer IBuffer IBuffer IBuffer

The buffer into which the asynchronous read operation places the bytes that are read.

count
unsigned int UInt32 UInt32 UInt32

The number of bytes to read that is less than or equal to the Capacity value.

options
InputStreamOptions InputStreamOptions InputStreamOptions InputStreamOptions

Specifies the type of the asynchronous read operation.

Returns

The asynchronous operation.