Call unmanaged DLL functions and control the marshaling of data

Microsoft .NET Framework, ASP.NET, Visual C# (CSharp, C Sharp, C-Sharp) Developer Training, Visual Studio

Call unmanaged DLL functions (MSDN) in a .NET Framework application, and control the marshaling of data (MSDN) in a .NET Framework application. (Refer System.Runtime.InteropServices namespace (MSDN))

• Platform Invoke (MSDN)

• Create a class to hold DLL functions (MSDN)

• Create prototypes in managed code (MSDN)
  • DllImportAttribute Class (MSDN)

• Call a DLL function (MSDN)

• Call a DLL function in special cases, such as passing structures (MSDN) and implementing callback functions (MSDN)

• Create a new Exception class and map it to an HRESULT (MSDN)

• Default marshaling behavior (MSDN)

• Marshal data with Platform Invoke (MSDN)

• Marshal data with COM Interop (MSDN)

• MarshalAsAttribute Class (MSDN) and Marshal Class (MSDN)