static void TestSimpleDllLoadLibrary()
{
Console.WriteLine("Simple:Use DllLoadLibrary,");
IntPtr hModule = Win32.LoadLibrary("testCppDll.dll");
int error = Marshal.GetLastWin32Error();
if (hModule == IntPtr.Zero)
{
return;
}
unsafe
{
Add addFunction = (Add)UseDllByLoadLibrary.GetFunctionAddress(hModule, "Add", typeof(Add));
error = Marshal.GetLastWin32Error();
Console.WriteLine(addFunction(1.0, 2.0));
}
Win32.FreeLibrary(hModule);
Console.WriteLine("Simple:Test END\n");
}
public void TestComplexLoadLibrary()
{
IntPtr hModule = Win32.LoadLibrary("testCppDll.dll");
int error = Marshal.GetLastWin32Error();
//Console.WriteLine("The Last Win32 Error was: " + error);
if (hModule == IntPtr.Zero)
{
return;
}
unsafe
{
InitFunc initFunc = (InitFunc)UseDllByLoadLibrary.GetFunctionAddress(hModule, "Initialize", typeof(InitFunc));
bool isInit = initFunc("");
if (isInit)
{
string text = "";
FindNames findNamesFunc = (FindNames)UseDllByLoadLibrary.GetFunctionAddress(hModule, "FindNames", typeof(FindNames));
IntPtr arrayPtr = IntPtr.Zero;
uint arraySize;
if (findNamesFunc(text, out arrayPtr, out arraySize))
{
NameEntity[] names = new NameEntity[arraySize];
IntPtr cur = arrayPtr;
for (int i = 0; i < arraySize; i++)
{
names[i] = new NameEntity();
Marshal.PtrToStructure(cur, names[i]);
Marshal.DestroyStructure(cur, typeof(NameEntity));
cur = (IntPtr)((int)cur + Marshal.SizeOf(names[i]));
}
Assert.AreEqual(names.Count(), arraySize);
}
Assert.AreNotEqual(arrayPtr, IntPtr.Zero);
Marshal.FreeCoTaskMem(arrayPtr);
}
}
Win32.FreeLibrary(hModule);
}