ReadBoolean Method

BinaryReader.ReadBoolean Method ()


Reads a Boolean value from the current stream and advances the current position of the stream by one byte.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

abstract ReadBoolean : unit -> bool
override ReadBoolean : unit -> bool

Return Value

Type: System.Boolean

true if the byte is nonzero; otherwise, false.

Exception Condition

The end of the stream is reached.


The stream is closed.


An I/O error occurs.

BinaryReader does not restore the file position after an unsuccessful read.

For a list of common I/O tasks, see Common I/O Tasks.

The following code example demonstrates how to store and retrieve application settings in a file.

No code example is currently available or this language may not be supported.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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