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Environment.SystemPageSize Property


Gets the number of bytes in the operating system's memory page.

 static property int SystemPageSize { int get(); };
public static int SystemPageSize { get; }
static member SystemPageSize : int
Public Shared ReadOnly Property SystemPageSize As Integer

Property Value

The number of bytes in the system memory page.


This information can be useful when determining whether to use the MemoryMappedFileOptions.DelayAllocatePages option when you work with memory-mapped files.

In Windows, this value is the dwPageSize member in the SYSTEM_INFO structure.

Applies to