NameCollisionOption NameCollisionOption NameCollisionOption NameCollisionOption NameCollisionOption Enum


Specifies what to do if a file or folder with the specified name already exists in the current folder when you copy, move, or rename a file or folder.

public : enum class NameCollisionOption
enum class winrt::Windows::Storage::NameCollisionOption : int32_t
public enum NameCollisionOption
Public Enum NameCollisionOption
var value = Windows.Storage.NameCollisionOption.failIfExists;

Windows 10 requirements

Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)


FailIfExists FailIfExists FailIfExists FailIfExists FailIfExists 2

Raise an exception of type System.Exception if the file or folder already exists.

Methods that don't explicitly pass a value from the NameCollisionOption enumeration use the FailIfExists value as the default when you try to create, rename, copy, or move a file or folder.

GenerateUniqueName GenerateUniqueName GenerateUniqueName GenerateUniqueName GenerateUniqueName 0

Automatically append a number to the base of the specified name if the file or folder already exists.

For example, if MyFile.txt already exists, then the new file is named MyFile (2).txt. If MyFolder already exists, then the new folder is named MyFolder (2).

ReplaceExisting ReplaceExisting ReplaceExisting ReplaceExisting ReplaceExisting 1

Replace the existing item if the file or folder already exists.