The GC Class

The GC class publishes services to interface with the garbage collector. You can manipulate and monitor garbage collection with the GC class. While some of the commands provide status information, other GC commands affect the default behavior of garbage collection. Table 17-2 lists the static members of the GC class.

Table 17-2. GC class static members

Member name

Description

MaxGeneration

This property is an integer property and returns the maximum number of generations.

AddMemoryPressure

This method recognizes memory allocations for unmanaged resources.

Collect

This method forces garbage collection on a specific generation. There are two overloads of the method. The no-argument Collect does garbage collection on all generations. The one-argument Collect specifies the oldest generation to be collected.

CollectionCount

This method returns the number of garbage collection cycles for the specified generation.

GetGeneration

This method returns the generation of the specified object.

GetTotalMemory

This method returns the total number of bytes allocated for the managed heap. You can wait on garbage collection and finalization by setting the Boolean parameter to true.

KeepAlive

This method keeps alive the specified object from the beginning of the current routine to where the KeepAlive method is called.

RemoveMemoryPressure

This method removes some of the memory pressure set aside for unmanaged resources.

ReRegisterForFinalize

This method reattaches a finalizer to a resurrected object.

SuppressFinalize

This method suppresses future finalization of the specified object.

WaitForPendingFinalizers

This method suspends the current thread until the Finalization queue is empty.

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