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SafeHandle.DangerousAddRef Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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.

[SECURITY CRITICAL]

Manually increments the reference counter on SafeHandle instances.

Namespace:  System.Runtime.InteropServices
Assembly:  mscorlib (in mscorlib.dll)

Syntax

'Declaration
<SecurityCriticalAttribute> _
Public Sub DangerousAddRef ( _
    ByRef success As Boolean _
)

[SecurityCriticalAttribute]
public void DangerousAddRef(
    ref bool success
)

Parameters

  • success
    Type: System.Boolean%
    true if the reference counter was successfully incremented; otherwise, false.

Version Information

Silverlight

Supported in: 5, 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

Platforms

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