SafeHandleZeroOrMinusOneIsInvalid.IsInvalid Property
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Gets a value that indicates whether the handle is invalid.
public:
virtual property bool IsInvalid { bool get(); };C#
public override bool IsInvalid { get; }C#
public override bool IsInvalid { [System.Security.SecurityCritical] get; }member this.IsInvalid : bool[<get: System.Security.SecurityCritical>]
member this.IsInvalid : boolPublic Overrides ReadOnly Property IsInvalid As Booleantrue if the handle is not valid; otherwise, false.
- Attributes
The common language runtime uses this property to determine whether critical finalization is required.
| Product | Versions |
|---|---|
| .NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0, 2.1 |
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