private static void Benchmark(MaxDelegate myMethod, int[] data)
{
Stopwatch sw = Stopwatch.StartNew();
var result = myMethod.DynamicInvoke(data);
sw.Stop();
Console.WriteLine();
Console.WriteLine("\tTime taken: {0}ms, result: {1}", sw.Elapsed.TotalMilliseconds, result);
}
static void Main(string[] args)
{
bool isLoaded = false;
const string moduleName = "CppDynamicLinkLibrary";
// Check whether or not the module is loaded.
isLoaded = IsModuleLoaded(moduleName);
Console.WriteLine("Module \"{0}\" is {1}loaded", moduleName,
isLoaded ? "" : "not ");
// Load the DLL module.
Console.WriteLine("Load the library");
using (UnmanagedLibrary lib = new UnmanagedLibrary(moduleName))
{
// Check whether or not the module is loaded.
isLoaded = IsModuleLoaded(moduleName);
Console.WriteLine("Module \"{0}\" is {1}loaded", moduleName,
isLoaded ? "" : "not ");
//
// Access the global data exported from the module.
//
// The solution does not allow you to access the global data
// exported from a DLL module.
//
// Call the functions exported from the module.
//
string str = "HelloWorld";
int length;
// Call int /*__cdecl*/ GetStringLength1(PWSTR pszString);
GetStringLength1Delegate GetStringLength1 =
lib.GetUnmanagedFunction <GetStringLength1Delegate>(
"GetStringLength1");
if (GetStringLength1 == null)
{
throw new EntryPointNotFoundException(
"Unable to find an entry point named 'GetStringLength1'");
}
length = GetStringLength1(str);
Console.WriteLine("GetStringLength1(\"{0}\") => {1}", str, length);
// Call int __stdcall GetStringLength2(PWSTR pszString);
GetStringLength2Delegate GetStringLength2 =
lib.GetUnmanagedFunction <GetStringLength2Delegate>(
"_GetStringLength2@4");
if (GetStringLength2 == null)
{
throw new EntryPointNotFoundException(
"Unable to find an entry point named 'GetStringLength2'");
}
length = GetStringLength2(str);
Console.WriteLine("GetStringLength2(\"{0}\") => {1}", str, length);
//
// Call the callback functions exported from the module.
//
CompareCallback cmpFunc = new CompareCallback(CompareInts);
MaxDelegate Max = lib.GetUnmanagedFunction <MaxDelegate>("Max");
if (Max == null)
{
throw new EntryPointNotFoundException(
"Unable to find an entry point named 'Max'");
}
int max = Max(2, 3, cmpFunc);
Console.WriteLine("Function: Max(2, 3) => {0}", max);
//
// Use the class exported from a module.
//
// The solution does not allow you to use the class exported
// from the DLL.
// Attempt to free the library on exit.
Console.WriteLine("Unload the dynamically-loaded DLL");
} // The DLL module should be unloaded here.
// Check whether or not the module is loaded.
isLoaded = IsModuleLoaded(moduleName);
Console.WriteLine("Module \"{0}\" is {1}loaded", moduleName,
isLoaded ? "" : "not ");
}
