<PackageReference Include="System.Drawing.Common" Version="10.0.0-preview.3.25173.2" />

CALLCONV

enum CALLCONV
Identifies the calling convention used by a member function described in the METHODDATA structure.
using System.CodeDom.Compiler; namespace Windows.Win32.System.Com { [GeneratedCode("Microsoft.Windows.CsWin32", "0.3.151+58e949951d.RR")] internal enum CALLCONV { CC_FASTCALL = 0, CC_CDECL = 1, CC_MSCPASCAL = 2, CC_PASCAL = 2, CC_MACPASCAL = 3, CC_STDCALL = 4, CC_FPFASTCALL = 5, CC_SYSCALL = 6, CC_MPWCDECL = 7, CC_MPWPASCAL = 8, CC_MAX = 9 } }