IsInvalid

77 overrides of IsInvalid

Infrastructure.Common (1)

SafeKeychainHandle.cs (1)

46public override bool IsInvalid => handle == IntPtr.Zero;

NuGet.Packaging (2)

Signing\Cms\NativeMethods.cs (2)

135public override bool IsInvalid => handle == IntPtr.Zero; 160public override bool IsInvalid { get { return handle == IntPtr.Zero; } }

PresentationCore (2)

MS\Win32\UnsafeNativeMethodsTablet.cs (2)

80public override bool IsInvalid 115public override bool IsInvalid

ReachFramework (2)

MS\Internal\Printing\Configuration\SafeWinSpoolPrinterHandle.cs (1)

20public override bool IsInvalid

PrintConfig\PTProvider.cs (1)

50public override bool IsInvalid

System.Data.Odbc (2)

Common\System\Data\ProviderBase\DbBuffer.cs (1)

41public override bool IsInvalid

System\Data\Odbc\OdbcHandle.cs (1)

126public override bool IsInvalid

System.Data.OleDb (5)

DbPropSet.cs (1)

121public override bool IsInvalid

PropertyInfoSet.cs (1)

49public override bool IsInvalid

SafeHandles.cs (1)

55public override bool IsInvalid

System\Data\ProviderBase\DbBuffer.cs (1)

42public override bool IsInvalid

System\Data\ProviderBase\WrappedIUnknown.cs (1)

35public override bool IsInvalid

System.Diagnostics.EventLog (3)

System\Diagnostics\Reader\CoTaskMemSafeHandle.cs (1)

28public override bool IsInvalid

System\Diagnostics\Reader\CoTaskMemUnicodeSafeHandle.cs (1)

34public override bool IsInvalid

System\Diagnostics\Reader\EventLogHandle.cs (1)

25public override bool IsInvalid

System.DirectoryServices (1)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeTokenHandle.cs (1)

27public override bool IsInvalid

System.DirectoryServices.AccountManagement (2)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeTokenHandle.cs (1)

27public override bool IsInvalid

System\DirectoryServices\AccountManagement\AuthZSet.cs (1)

532public override bool IsInvalid

System.Drawing.Common (1)

System\Drawing\Printing\PrintController.SafeDeviceModeHandle.cs (1)

30public override bool IsInvalid => handle == 0;

System.IO.Compression (5)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeZstdHandle.cs (4)

84public override bool IsInvalid => handle == IntPtr.Zero; 159public override bool IsInvalid => handle == IntPtr.Zero; 175public override bool IsInvalid => handle == IntPtr.Zero; 191public override bool IsInvalid => handle == IntPtr.Zero;

src\runtime\src\libraries\Common\src\System\IO\Compression\ZLibNative.cs (1)

247public override bool IsInvalid

System.IO.Compression.Brotli (2)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBrotliHandle.cs (2)

19public override bool IsInvalid => handle == IntPtr.Zero; 32public override bool IsInvalid => handle == IntPtr.Zero;

System.IO.FileSystem.AccessControl (1)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeFindHandle.Windows.cs (1)

18public override bool IsInvalid

System.Net.Quic (11)

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.X509Stack.cs (1)

78public override bool IsInvalid

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.X509StoreCtx.cs (1)

91public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\Asn1SafeHandles.Unix.cs (2)

23public override bool IsInvalid 43public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBioHandle.Unix.cs (1)

38public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeInteriorHandle.cs (1)

32public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeX509Handles.Unix.cs (3)

42public override bool IsInvalid 62public override bool IsInvalid 82public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\X509ExtensionSafeHandles.Unix.cs (1)

24public override bool IsInvalid

System\Net\Quic\Internal\MsQuicSafeHandle.cs (1)

28public override bool IsInvalid => handle == IntPtr.Zero;

System.Net.Security (14)

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.SslCtx.cs (1)

101public override bool IsInvalid

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.X509Stack.cs (1)

78public override bool IsInvalid

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.X509StoreCtx.cs (1)

91public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\Asn1SafeHandles.Unix.cs (2)

23public override bool IsInvalid 43public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\GssSafeHandles.cs (3)

50public override bool IsInvalid 138public override bool IsInvalid 163public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBioHandle.Unix.cs (1)

38public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeInteriorHandle.cs (1)

32public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeX509Handles.Unix.cs (3)

42public override bool IsInvalid 62public override bool IsInvalid 82public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\X509ExtensionSafeHandles.Unix.cs (1)

24public override bool IsInvalid

System.Net.WebSockets (1)

src\runtime\src\libraries\Common\src\System\IO\Compression\ZLibNative.cs (1)

247public override bool IsInvalid

System.Private.CoreLib (2)

src\runtime\src\libraries\System.Private.CoreLib\src\Microsoft\Win32\SafeHandles\SafeHandleMinusOneIsInvalid.cs (1)

16public override bool IsInvalid => handle == new IntPtr(-1);

src\runtime\src\libraries\System.Private.CoreLib\src\Microsoft\Win32\SafeHandles\SafeHandleZeroOrMinusOneIsInvalid.cs (1)

16public override bool IsInvalid => handle == IntPtr.Zero || handle == new IntPtr(-1);

System.Security.AccessControl (1)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeTokenHandle.cs (1)

27public override bool IsInvalid

System.Security.Cryptography (5)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBCryptHandle.cs (1)

19public sealed override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeCrypt32Handle.cs (1)

19public sealed override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeUnicodeStringHandle.cs (1)

44public sealed override bool IsInvalid

System\Security\Cryptography\FixedMemoryKeyBox.cs (1)

29public override bool IsInvalid => handle == IntPtr.Zero;

System\Security\Cryptography\OpenSsl.NotSupported.cs (1)

291public override bool IsInvalid => true;

System.Security.Cryptography.Pkcs (3)

Microsoft\Win32\SafeHandles\SafeCertContextHandle.cs (1)

24public sealed override bool IsInvalid

Microsoft\Win32\SafeHandles\SafeCryptMsgHandle.cs (1)

17public sealed override bool IsInvalid

Microsoft\Win32\SafeHandles\SafeProvOrNCryptKeyHandle.cs (1)

26public sealed override bool IsInvalid

System.Security.Principal.Windows (2)

Microsoft\Win32\SafeHandles\SafeAccessTokenHandle.cs (1)

31public override bool IsInvalid

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeLsaHandle.cs (1)

23public sealed override bool IsInvalid

System.ServiceProcess.ServiceController (1)

Microsoft\Win32\SafeHandles\SafeServiceHandle.cs (1)

23public override bool IsInvalid

System.Speech (1)

Internal\HGlobalSafeHandle.cs (1)

59public override bool IsInvalid

System.Windows.Extensions (1)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeCrypt32Handle.cs (1)

19public sealed override bool IsInvalid

System.Windows.Forms.Primitives (1)

Microsoft\Win32\SafeHandles\CoTaskMemSafeHandle.cs (1)

14public override bool IsInvalid => IsClosed || handle == IntPtr.Zero;

UIAutomationClient (5)

MS\Internal\Automation\SafeHandles.cs (3)

26public override bool IsInvalid 49public override bool IsInvalid 69public override bool IsInvalid

System\Windows\Automation\Condition.cs (1)

21public override bool IsInvalid

System\Windows\Automation\Text\TextRange.cs (1)

27public override bool IsInvalid

45 references to IsInvalid

Microsoft.AspNetCore.Cryptography.Internal (1)

CryptoUtil.cs (1)

32Assert(safeHandle != null && !safeHandle.IsInvalid, "Safe handle is invalid.");

PresentationCore (4)

System\Windows\Input\Cursor.cs (4)

93if (! cursorHandle.IsInvalid ) 172if (_cursorHandle == null || _cursorHandle.IsInvalid) 247if (_cursorHandle == null || _cursorHandle.IsInvalid) 293if (_cursorHandle == null || _cursorHandle.IsInvalid)

System.Console (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.Diagnostics.Process (1)

System\Diagnostics\ProcessStartInfo.cs (1)

474if (handle.IsInvalid)

System.Formats.Tar (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.IO.FileSystem.DriveInfo (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.IO.FileSystem.Watcher (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.IO.MemoryMappedFiles (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.IO.Pipes (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.IO.Ports (1)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

System.Net.Quic (7)

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.ERR.cs (1)

93if (handle == null || handle.IsInvalid)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBioHandle.Unix.cs (2)

44return handle == IntPtr.Zero || (_parent != null && _parent.IsInvalid); 51Debug.Assert(parent != null && !parent.IsInvalid, "Expected new parent to be non-null and valid");

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (3)

20/// instance represents an invalid handle: <see cref="System.Runtime.InteropServices.SafeHandle.IsInvalid"/> returns <see language="true"/>. 41Debug.Assert(currentHandle.IsInvalid); 53Debug.Assert(!isCachedInvalidHandle || handle.IsInvalid, "The cached invalid handle must still be invalid.");

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeInteriorHandle.cs (1)

38return handle == IntPtr.Zero || (_parent != null && _parent.IsInvalid);

System.Net.Security (7)

src\runtime\src\libraries\Common\src\Interop\Unix\System.Security.Cryptography.Native\Interop.ERR.cs (1)

93if (handle == null || handle.IsInvalid)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeBioHandle.Unix.cs (2)

44return handle == IntPtr.Zero || (_parent != null && _parent.IsInvalid); 51Debug.Assert(parent != null && !parent.IsInvalid, "Expected new parent to be non-null and valid");

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (3)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeInteriorHandle.cs (1)

38return handle == IntPtr.Zero || (_parent != null && _parent.IsInvalid);

System.Private.CoreLib (3)

src\runtime\src\libraries\Common\src\Interop\Unix\Interop.IOErrors.cs (1)

97if (handle.IsInvalid)

src\runtime\src\libraries\System.Private.CoreLib\src\System\Runtime\InteropServices\SafeHandle.cs (1)

232!IsInvalid;

src\runtime\src\libraries\System.Private.CoreLib\src\System\Threading\ThreadPoolBoundHandle.PlatformNotSupported.cs (1)

22if (handle.IsClosed || handle.IsInvalid)

System.Security.AccessControl (2)

System\Security\AccessControl\Win32.cs (2)

125if (handle.IsInvalid) 282if (handle.IsInvalid)

System.Security.Cryptography (6)

Microsoft\Win32\SafeHandles\NCryptSafeHandles.cs (1)

80if (parentHandle.IsClosed || parentHandle.IsInvalid)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (3)

System\Security\Cryptography\X509Certificates\ChainPal.Windows.BuildChain.cs (2)

44if (!applicationPolicyOids.IsInvalid) 54if (!certificatePolicyOids.IsInvalid)

System.Security.Cryptography.Pkcs (4)

Microsoft\Win32\SafeHandles\SafeProvOrNCryptKeyHandleUwp.cs (1)

21Debug.Assert(parentHandle != null && !parentHandle.IsClosed && !parentHandle.IsInvalid);

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (3)

System.Windows.Extensions (3)

src\runtime\src\libraries\Common\src\Microsoft\Win32\SafeHandles\SafeHandleCache.cs (3)