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.NET Forum / .NET Framework / Interop / June 2007AccessViolationException Occurred
Hello, I am trying to call an API Function (API is written in C Language). On a particular function I am getting an exception "AccessViolationException was unhandled by user... Attempted to read or write protected memory. This is often an indication that other memory is corrupt." Can anyone please help me to resolve this problem ? With regards, Mehul Gurjar >Can anyone please help me to resolve this problem ? Only if you post relevant parts of your code. Mattias  SignatureMattias Sjögren [C# MVP] mattias @ mvps.org http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com Please reply only to the newsgroup. Hi Marttis, Pls check the code as follows. I am getting the error when I am passing parameters to the native API Function public int MyFunction(int vi1, int vi2, string vs3, ref int ri4, ref int rl5) { return nativeAPIFunction(vi1, vi2, vs3, ref ri4, ref rl5); } With regards, >>Can anyone please help me to resolve this problem ? > > Only if you post relevant parts of your code. > > Mattias >public int MyFunction(int vi1, int vi2, string vs3, ref int ri4, ref int >rl5) { > return nativeAPIFunction(vi1, vi2, vs3, ref ri4, ref rl5); > } We really need to see the C side too. At least the function signature. If you have the implementation or working calling code in some other language that may help as well. Mattias SignatureMattias Sjögren [C# MVP] mattias @ mvps.org http://www.msjogren.net/dotnet/ | http://www.dotnetinterop.com Please reply only to the newsgroup. > Hello, > [quoted text clipped - 4 lines] > write protected memory. This is often an indication that other memory is > corrupt." The API has a bug, or you sent a bad pointer. > Can anyone please help me to resolve this problem ? > > With regards, > > Mehul Gurjar
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