SafeHandleZeroOrMinusOneIsInvalid Constructor

This type can be used only by trusted applications. If you try to use its members in a partial-trust application, your code will throw a MethodAccessException exception. This type is security-critical, which restricts its use.


Initializes a new instance of the SafeHandleZeroOrMinusOneIsInvalid class, specifying whether the handle is to be reliably released.

Namespace:  Microsoft.Win32.SafeHandles
Assembly:  mscorlib (in mscorlib.dll)


Protected Sub New ( _
    ownsHandle As Boolean _
protected SafeHandleZeroOrMinusOneIsInvalid(
    bool ownsHandle


  • ownsHandle
    Type: System.Boolean
    true to reliably release the handle during the finalization phase; false to prevent reliable release (not recommended).

Version Information


Supported in: 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0


For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.