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FileOpenDisposition Enum

Definition

Enumeration values for actions to take on a file.

public enum class FileOpenDisposition
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 327680)]
enum class FileOpenDisposition
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 327680)]
public enum FileOpenDisposition
var value = Windows.Storage.Streams.FileOpenDisposition.openExisting
Public Enum FileOpenDisposition
Inheritance
FileOpenDisposition
Attributes

Windows requirements

Device family
Windows 10 Fall Creators Update (introduced in 10.0.16299.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v5.0)

Fields

Name Value Description
OpenExisting 0

Opens a file only if it exists.

OpenAlways 1

Opens a file. If the file does not exist, a new file will be created and opened.

CreateNew 2

Creates a new file if one does not exist. If the file does exist, this will fail.

CreateAlways 3

Opens a file and truncates it so that its size is zero bytes. If the file does not exist, a new file will be created and opened.

TruncateExisting 4

Opens a file and truncates it so that its size is zero bytes. If the file does not exist, this will fail.

Remarks

The results of the FileOpenDisposition values depend on whether the file exists or not.

Applies to