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Assembly.GetEntryAssembly Method

Gets the process executable in the default application domain. In other application domains, this is the first executable that was executed by AppDomain.ExecuteAssembly.

Namespace:  System.Reflection
Assembly:  mscorlib (in mscorlib.dll)

public static Assembly GetEntryAssembly()

Return Value

Type: System.Reflection.Assembly
The assembly that is the process executable in the default application domain, or the first executable that was executed by AppDomain.ExecuteAssembly. Can return null when called from unmanaged code.

The GetEntryAssembly method can return null when a managed assembly has been loaded from an unmanaged application. For example, if an unmanaged application creates an instance of a COM component written in C#, a call to the GetEntryAssembly method from the C# component returns null, because the entry point for the process was unmanaged code rather than a managed assembly.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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