- File - AppendAllBytes(String, Byte[]) 
- AppendAllBytes(String, ReadOnlySpan<Byte>) 
- AppendAllBytesAsync(String, Byte[], CancellationToken) 
- AppendAllBytesAsync(String, ReadOnlyMemory<Byte>, CancellationToken) 
- AppendAllLines(String, IEnumerable<String>) 
- AppendAllLines(String, IEnumerable<String>, Encoding) 
- AppendAllLinesAsync(String, IEnumerable<String>, CancellationToken) 
- AppendAllLinesAsync(String, IEnumerable<String>, Encoding, CancellationToken) 
- AppendAllText(String, String) 
- AppendAllText(String, String, Encoding) 
- AppendAllText(String, ReadOnlySpan<Char>) 
- AppendAllText(String, ReadOnlySpan<Char>, Encoding) 
- AppendAllTextAsync(String, String, CancellationToken) 
- AppendAllTextAsync(String, String, Encoding, CancellationToken) 
- AppendAllTextAsync(String, ReadOnlyMemory<Char>, CancellationToken) 
- AppendAllTextAsync(String, ReadOnlyMemory<Char>, Encoding, CancellationToken) 
- AppendText(String) 
- Copy(String, String) 
- Copy(String, String, Boolean) 
- Create(String) 
- Create(String, Int32) 
- Create(String, Int32, FileOptions) 
- Create(String, Int32, FileOptions, FileSecurity) 
- CreateSymbolicLink(String, String) 
- CreateText(String) 
- Decrypt(String) 
- Delete(String) 
- Encrypt(String) 
- Exists(String) 
- GetAccessControl(String) 
- GetAccessControl(String, AccessControlSections) 
- GetAttributes(SafeFileHandle) 
- GetAttributes(String) 
- GetCreationTime(SafeFileHandle) 
- GetCreationTime(String) 
- GetCreationTimeUtc(SafeFileHandle) 
- GetCreationTimeUtc(String) 
- GetLastAccessTime(SafeFileHandle) 
- GetLastAccessTime(String) 
- GetLastAccessTimeUtc(SafeFileHandle) 
- GetLastAccessTimeUtc(String) 
- GetLastWriteTime(SafeFileHandle) 
- GetLastWriteTime(String) 
- GetLastWriteTimeUtc(SafeFileHandle) 
- GetLastWriteTimeUtc(String) 
- GetUnixFileMode(SafeFileHandle) 
- GetUnixFileMode(String) 
- Move(String, String) 
- Move(String, String, Boolean) 
- Open(String, FileMode) 
- Open(String, FileStreamOptions) 
- Open(String, FileMode, FileAccess) 
- Open(String, FileMode, FileAccess, FileShare) 
- OpenHandle(String, FileMode, FileAccess, FileShare, FileOptions, Int64) 
- OpenRead(String) 
- OpenText(String) 
- OpenWrite(String) 
- ReadAllBytes(String) 
- ReadAllBytesAsync(String, CancellationToken) 
- ReadAllLines(String) 
- ReadAllLines(String, Encoding) 
- ReadAllLinesAsync(String, CancellationToken) 
- ReadAllLinesAsync(String, Encoding, CancellationToken) 
- ReadAllText(String) 
- ReadAllText(String, Encoding) 
- ReadAllTextAsync(String, CancellationToken) 
- ReadAllTextAsync(String, Encoding, CancellationToken) 
- ReadLines(String) 
- ReadLines(String, Encoding) 
- ReadLinesAsync(String, CancellationToken) 
- ReadLinesAsync(String, Encoding, CancellationToken) 
- Replace(String, String, String) 
- Replace(String, String, String, Boolean) 
- ResolveLinkTarget(String, Boolean) 
- SetAccessControl(String, FileSecurity) 
- SetAttributes(SafeFileHandle, FileAttributes) 
- SetAttributes(String, FileAttributes) 
- SetCreationTime(SafeFileHandle, DateTime) 
- SetCreationTime(String, DateTime) 
- SetCreationTimeUtc(SafeFileHandle, DateTime) 
- SetCreationTimeUtc(String, DateTime) 
- SetLastAccessTime(SafeFileHandle, DateTime) 
- SetLastAccessTime(String, DateTime) 
- SetLastAccessTimeUtc(SafeFileHandle, DateTime) 
- SetLastAccessTimeUtc(String, DateTime) 
- SetLastWriteTime(SafeFileHandle, DateTime) 
- SetLastWriteTime(String, DateTime) 
- SetLastWriteTimeUtc(SafeFileHandle, DateTime) 
- SetLastWriteTimeUtc(String, DateTime) 
- SetUnixFileMode(SafeFileHandle, UnixFileMode) 
- SetUnixFileMode(String, UnixFileMode) 
- WriteAllBytes(String, Byte[]) 
- WriteAllBytes(String, ReadOnlySpan<Byte>) 
- WriteAllBytesAsync(String, Byte[], CancellationToken) 
- WriteAllBytesAsync(String, ReadOnlyMemory<Byte>, CancellationToken) 
- WriteAllLines(String, String[]) 
- WriteAllLines(String, String[], Encoding) 
- WriteAllLines(String, IEnumerable<String>) 
- WriteAllLines(String, IEnumerable<String>, Encoding) 
- WriteAllLinesAsync(String, IEnumerable<String>, CancellationToken) 
- WriteAllLinesAsync(String, IEnumerable<String>, Encoding, CancellationToken) 
- WriteAllText(String, String) 
- WriteAllText(String, String, Encoding) 
- WriteAllText(String, ReadOnlySpan<Char>) 
- WriteAllText(String, ReadOnlySpan<Char>, Encoding) 
- WriteAllTextAsync(String, String, CancellationToken) 
- WriteAllTextAsync(String, String, Encoding, CancellationToken) 
- WriteAllTextAsync(String, ReadOnlyMemory<Char>, CancellationToken) 
- WriteAllTextAsync(String, ReadOnlyMemory<Char>, Encoding, CancellationToken) 
 
netcoreapp2.0
    namespace System.IO
{
    public static class File
    {
        public static void SetLastWriteTime(string path, DateTime lastWriteTime);
    }
}
            | NetFx Compat Lab | 32.6 % Reference this API | 
|---|---|
| nuget.org | 0.8 % Reference this API | 
| Upgrade Planner | 0.3 % Reference this API | 
| .NET | 5.06.07.08.09.010.0 | 
| .NET Core | 1.01.12.02.12.23.03.1 | 
| .NET Framework | 1.01.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1 | 
| .NET Standard | 1.31.41.51.62.02.1 | 
| Information specific to netcoreapp2.0 | |
| Assembly | System.IO.FileSystem , Version=4.1.0.0, PublicKeyToken=b03f5f7f11d50a3a | 
| Referencing | The API is automatically referenced. | 
| Platform Restrictions | This framework does not have platform annotations. | 
- Built-in API
- Package-provided API