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DllImportAttribute.CallingConvention Field

Indicates the calling convention of an entry point.

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

public CallingConvention CallingConvention

You set this field to one of the CallingConvention enumeration members. The default value for the CallingConvention field is Winapi, which in turn defaults to StdCall convention.

For more information, see Calling Convention in the MSDN library.

In some cases, Visual Basic developers use the DllImportAttribute, instead of the Declare statement, to define a DLL function in managed code. Setting the CallingConvention field is one of those cases.

System.Runtime.InteropServices.DllImportAttribute#1

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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