FileStream.CanWrite Property

 

Gets a value indicating whether the current stream supports writing.

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

override CanWrite : bool with get

Property Value

Type: System.Boolean

true if the stream supports writing; false if the stream is closed or was opened with read-only access.

If a class derived from Stream does not support writing, a call to SetLength, Write, BeginWrite, or WriteByte throws a NotSupportedException.

If the stream is closed, this property returns false.

The following example uses the CanWrite property to check whether a stream supports writing.

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

The following is an example using the CanWrite property. The output of this code is "MyFile.txt is writable." To get the output message "MyFile.txt can be both written to and read from.", change the FileAccess parameter to ReadWrite in the FileStream constructor.

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

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Return to top
Show: