public void Setup()
{
IntPtr hModule = Win32.LoadLibrary("testCppDll.dll");
int error = Marshal.GetLastWin32Error();
//Console.WriteLine("The Last Win32 Error was: " + error);
if (hModule == IntPtr.Zero)
{
return;
}
addFunction = (Add)UseComplexDllByLoadLibrary.GetFunctionAddress(hModule, "Add", typeof(Add));
}
static void TestComplexDllLoadLibrary()
{
Console.WriteLine("Complex:Use DllLoadLibrary, ");
PrintCurrentProcessMemUsage();
IntPtr hModule = Win32.LoadLibrary("testCppDll.dll");
int error = Marshal.GetLastWin32Error();
//NameEntityType type = NameEntityType.OrganizationName;
int type = 0;
if (hModule == IntPtr.Zero)
{
return;
}
{
//test findNames func
CreateNameEntitysByType createNameEntitys = (CreateNameEntitysByType)UseComplexDllByLoadLibrary.GetFunctionAddress(hModule, "CreateNameEntitysByType", typeof(CreateNameEntitysByType));
string text = "";
IntPtr arrayPtr = IntPtr.Zero;
uint arraySize = 0;
List <NameEntity> nameList = new List <NameEntity>();
if (createNameEntitys(text, out arrayPtr, ref arraySize, type))
{
NameEntity[] names = new NameEntity[arraySize];
IntPtr cur = arrayPtr;
for (int i = 0; i < arraySize; i++)
{
names[i] = new NameEntity();
//cur->names, free cur
Marshal.PtrToStructure(cur, names[i]);
Marshal.DestroyStructure(cur, typeof(NameEntity));
cur = (IntPtr)((int)cur + Marshal.SizeOf(names[i]));
}
Marshal.FreeCoTaskMem(arrayPtr);
nameList.AddRange(names);
}
//createName
CreateNameEntityByType createNameEntity = (CreateNameEntityByType)UseComplexDllByLoadLibrary.GetFunctionAddress(hModule, "CreateNameEntityByType", typeof(CreateNameEntityByType));
IntPtr namePtr = IntPtr.Zero;
if (createNameEntity(out namePtr, type))
{
NameEntity retStruct = (NameEntity)Marshal.PtrToStructure(namePtr, typeof(NameEntity));
// 在非托管代码中使用CoTaskMemAlloc分配的内存，可以使用Marshal.FreeCoTaskMem方法释放
Marshal.FreeCoTaskMem(namePtr);
Console.WriteLine("非托管函数返回的结构体数据：double = {0:f6}, int = {1}",
retStruct._score, retStruct._highlightLength);
}
}
Win32.FreeLibrary(hModule);
PrintCurrentProcessMemUsage();
Console.WriteLine("Complex: Test END\n");
}
public bool CreateNameEntityByTypeByParam(int value, ref NameEntity nameEntity)
{
int type = 0;
IntPtr hModule = Win32.LoadLibrary("testCppDll.dll");
CreateNameEntityByTypeDelegate createNameEntity = (CreateNameEntityByTypeDelegate)UseComplexDllByLoadLibrary.GetFunctionAddress(hModule, "CreateNameEntityByType", typeof(CreateNameEntityByTypeDelegate));
IntPtr namePtr = IntPtr.Zero;
if (createNameEntity(out namePtr, type))
{
nameEntity = (NameEntity)Marshal.PtrToStructure(namePtr, typeof(NameEntity));
// 在非托管代码中使用CoTaskMemAlloc分配的内存，可以使用Marshal.FreeCoTaskMem方法释放
Marshal.FreeCoTaskMem(namePtr);
Console.WriteLine("非托管函数返回的结构体数据：double = {0:f6}, int = {1}",
nameEntity._score, nameEntity._highlightLength);
}
Win32.FreeLibrary(hModule);
return(true);
}