Directory::EnumerateFileSystemEntries Method (String^)
Returns an enumerable collection of file names and directory names in a specified path.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- path
-
Type:
System::String^
The relative or absolute path to the directory to search. This string is not case-sensitive.
Return Value
Type: System.Collections.Generic::IEnumerable<String^>^An enumerable collection of file-system entries in the directory specified by path.
| Exception | Condition |
|---|---|
| ArgumentException | path is a zero-length string, contains only white space, or contains invalid characters. You can query for invalid characters by using the GetInvalidPathChars method. |
| ArgumentNullException | path is null. |
| DirectoryNotFoundException | path is invalid, such as referring to an unmapped drive. |
| IOException | path is a file name. |
| PathTooLongException | The specified path, file name, or combined exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters and file names must be less than 260 characters. |
| SecurityException | The caller does not have the required permission. |
| UnauthorizedAccessException | The caller does not have the required permission. |
You can specify relative path information with the path parameter. Relative path information is interpreted as relative to the current working directory, which you can determine by using the GetCurrentDirectory method.
The EnumerateFileSystemEntries and GetFileSystemEntries methods differ as follows: When you use EnumerateFileSystemEntries, you can start enumerating the collection of entries before the whole collection is returned; when you use GetFileSystemEntries, you must wait for the whole array of entries to be returned before you can access the array. Therefore, when you are working with many files and directories, EnumerateFiles can be more efficient.
The returned collection is not cached; each call to the GetEnumerator on the collection will start a new enumeration.
Available since 10
.NET Framework
Available since 4.0
Silverlight
Available since 4.0