The following calling conventions are supported when calling DLL functions:
The
__stdcall calling convention is used by default when calling DLL functions. This calling convention is used by all Windows API DLL functions.
You can change the calling convention for a DLL function by using the
CallingConvention property of the
DllFunctionOptions
attribute.
Example
The following code example declares a DLL function with the
__decl calling convention:
<Dll("msvcrt.dll")> Public Interface IMsVisualCRuntime
<DllFunctionOptions(CallingConvention:=CallingConvention.Cdecl)> Function cos(ByVal input As Double) As Double
End Interface