"Liu Guidong" <lgd94047271@hotmail.com> wrote in message news:<057801c34a82$42a8aba0$a601280a@phx.gbl>...
> Dear friends,
> I have a question about the communication between C# and
> C++.
> Can anyone help me ??
> I have written a C# dll fies named "TestFordll2.dll",as
> fllow:
>
> using System;
> namespace TestForDll2
> {
> public class TestForDll
> {
> private int result ;
> public TestForDll()
> {
> result = 0;
> }
> public TestForDll(int a , int b)
> {
> result = 0;
> result = a + b;
> }
> public int Out()
> {
> return result;
> }
> }
> }
>
> And I also wrote a C++ file named "Call.cpp" to call the
> C# dll file "TestForDll2.dll",as follow:
>
> #include <iostream.h>
> #using <TestForDll2.dll>
> #using <mscorlib.dll>
> using namespace System;
> using namespace TestForDll2;
> int main()
> {
> int i = 0;
> TestForDll2::TestForDll *a = new
> TestForDll2::TestForDll(1,2);
> i = a->Out();
> cout<<"the result is"<<i<<endl;
>
> }
> And I also set the properties of the C++ file by using the
> follwo:
> 1. Open the project's Property Pages dialog box.
> Properties.
> 2. Click the C/C++ folder.
> 3. Click the General property page.
> 4. Modify the Resolve #using References property making
> it pointing to the "TestForDll2.dll" file
> when I build the project ,everyting is ok.But when I run
> the project ,an error occured :can not
>
> find file or assembly "TestForDll2",or can not find one of
> its relier"
> why??
> Can anyone hlep me? Thanks
>
> reagrds,