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.NET Forum / Languages / C# / March 2008How do I marshal a C# string to call a C++ function that needs a L
Hi, I need to call a funciton in a C++ Dll that requires 2 LPCWSTR parameters. How do I marshall this in my DLLIMPORT statement in C# (string trpe)? Thank you.?  SignatureThanks. > Hi, I need to call a funciton in a C++ Dll that requires 2 LPCWSTR > parameters. How do I marshall this in my DLLIMPORT statement in C# (string > trpe)? Thank you.? C# has no DLLIMPORT statements; I assume you mean external declarations decorated with the DllImport attribute. Decorate the arguments to pass with [MarshalAs(UnmanagedType.LPWStr)]. See also http://msdn2.microsoft.com/en-us/library/s9ts558h.aspx. SignatureJ. That worked. Thank you. SignatureThanks. > > Hi, I need to call a funciton in a C++ Dll that requires 2 LPCWSTR > > parameters. How do I marshall this in my DLLIMPORT statement in C# (string [quoted text clipped - 5 lines] > Decorate the arguments to pass with [MarshalAs(UnmanagedType.LPWStr)]. See > also http://msdn2.microsoft.com/en-us/library/s9ts558h.aspx.
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