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DirectoryInfo.EnumerateFileSystemInfos Method

Returns an enumerable collection of file system information in the current directory.

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

public IEnumerable<FileSystemInfo> EnumerateFileSystemInfos()

Return Value

Type: System.Collections.Generic.IEnumerable<FileSystemInfo>
An enumerable collection of file system information in the current directory.

ExceptionCondition
DirectoryNotFoundException

The path encapsulated in the DirectoryInfo object is invalid (for example, it is on an unmapped drive).

SecurityException

The caller does not have the required permission.

The EnumerateFileSystemInfos and GetFileSystemInfos methods differ as follows:

Therefore, when you are working with many files and directories, EnumerateFileSystemInfos can be more efficient.

This method pre-populates the values of the following FileSystemInfo properties:

The returned collection is not cached; each call to the GetEnumerator method on the collection will start a new enumeration.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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