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Platform Enumeration

Specifies the bits-per-word of the process in which an out-of-process add-in is run.

Namespace:  System.AddIn.Hosting
Assembly:  System.AddIn (in System.AddIn.dll)

[SerializableAttribute]
public enum Platform

Member nameDescription
AnyCpuThe add-in is loaded into an external process with the same bits-per-word as the operating system.
ARMThe add-in is loaded into a 32-bit process on an ARM processor.
HostThe add-in is loaded into an external process with the same bits-per-word as the host process.
X64The add-in is loaded into a 64-bit external process.
X86The add-in is loaded into a 32-bit external process.

The following table shows how the enumeration value affects the bits-per-word of the process on different operating systems:

32-bit operating system

64-bit operating system

Host

32-bit

Same as host process

AnyCPU

32-bit

64-bit

X86

32-bit

32-bit

X64

Exception is thrown

64-bit

32-bit

N/A

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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