private static void StructArgument()
{
Console.WriteLine("\r\n");
ManagedSimpleStruct simpleStruct = new ManagedSimpleStruct();
simpleStruct.intValue = 10;
simpleStruct.shortValue = 20;
simpleStruct.floatValue = 3.5f;
simpleStruct.doubleValue = 6.8f;
CPlusPlusLib.StructArgumentByVal(simpleStruct);
Console.WriteLine("\r\n");
ManagedSimpleStruct argStruct = new ManagedSimpleStruct();
argStruct.intValue = 1;
argStruct.shortValue = 2;
argStruct.floatValue = 3.0f;
argStruct.doubleValue = 4.5f;
CPlusPlusLib.StructArgumentByRef(ref argStruct);
Console.WriteLine("new struct value：int = {0}, short = {1}, float = {2:f6}, double = {3:f6}",
argStruct.intValue, argStruct.shortValue, argStruct.floatValue, argStruct.doubleValue);
}
private static void StructAsRefField()
{
Console.WriteLine("\nThe structure is a member of the value type");
// Creat PersonName
PersonName name = new PersonName();
name.last = "Hou";
name.first = "Jiajun";
// Creat Person
Person person = new Person();
person.age = 27;
IntPtr nameBuffer = Marshal.AllocCoTaskMem(Marshal.SizeOf(name));
Marshal.StructureToPtr(name, nameBuffer, false);
person.name = nameBuffer;
Console.WriteLine("Name in：{0}", name.displayName);
CPlusPlusLib.StructInStructByRef(ref person);
PersonName newValue = (PersonName)Marshal.PtrToStructure(person.name, typeof(PersonName));
// Free memory
Marshal.DestroyStructure(nameBuffer, typeof(PersonName));
Console.WriteLine("Name out：{0}", newValue.displayName);
}
private static void StructAsValFieldFlattened()
{
Console.WriteLine("\nThe structure is a member of the value type（flattened）");
Person2_Flattened person = new Person2_Flattened();
person.last = "Hou";
person.first = "Jiajun";
person.displayName = string.Empty;
person.age = 26;
CPlusPlusLib.StructInStructByVal(ref person);
}
private static void StructAllocString()
{
MsEmployee employee = new MsEmployee();
employee.EmployeeID = 10001;
CPlusPlusLib.GetEmployeeInfo(ref employee);
Console.WriteLine("\nemployee Info:");
Console.WriteLine("ID: {0}", employee.EmployeeID);
Console.WriteLine("Year:{0}", employee.EmployedYear);
Console.WriteLine("Alias: {0}", employee.Alias);
Console.WriteLine("Name: {0}", employee.DisplayName);
}
private static void ClassNonBlittlable()
{
MsEmployee_Class employee = new MsEmployee_Class();
employee.EmployeeID = 10001;
CPlusPlusLib.GetEmployeeInfo(employee);
Console.WriteLine("\nemployee Info class:");
Console.WriteLine("ID: {0}", employee.EmployeeID);
Console.WriteLine("Year:{0}", employee.EmployedYear);
Console.WriteLine("Alias: {0}", employee.Alias);
Console.WriteLine("Name: {0}", employee.DisplayName);
}
private static void CharArray()
{
char[] charArray = new char[] { 'a', '1', 'b', '2', 'c', '3', '4' };
Console.WriteLine("\nelement before：");
foreach (char c in charArray)
{
Console.Write("{0} ", c);
}
uint digitCount = CPlusPlusLib.ArrayOfChar(charArray, charArray.Length);
Console.WriteLine("count number：{0}", digitCount);
Console.WriteLine("element after：");
foreach (char c in charArray)
{
Console.Write("{0} ", c);
}
}
private static void StructAllocString_IntPtrString()
{
MsEmployee_IntPtrString employee = new MsEmployee_IntPtrString();
employee.EmployeeID = 10001;
CPlusPlusLib.GetEmployeeInfoA(ref employee);
string displayName = Marshal.PtrToStringAnsi(employee.DisplayName);
string alias = Marshal.PtrToStringAnsi(employee.Alias);
Marshal.FreeCoTaskMem(employee.DisplayName);
Marshal.FreeCoTaskMem(employee.Alias);
Console.WriteLine("\nemployee Info IntPtrString:");
Console.WriteLine("ID: {0}", employee.EmployeeID);
Console.WriteLine("Year:{0}", employee.EmployedYear);
Console.WriteLine("Alias: {0}", alias);
Console.WriteLine("Name: {0}", displayName);
}
private static void StructReturn()
{
IntPtr pStruct = CPlusPlusLib.ReturnStruct();
ManagedSimpleStruct retStruct = (ManagedSimpleStruct)Marshal.PtrToStructure(pStruct, typeof(ManagedSimpleStruct));
Marshal.FreeCoTaskMem(pStruct);
Console.WriteLine("\nreturn struct value：int = {0}, short = {1}, float = {2:f6}, double = {3:f6}",
retStruct.intValue, retStruct.shortValue, retStruct.floatValue, retStruct.doubleValue);
IntPtr ppStruct = IntPtr.Zero;
CPlusPlusLib.ReturnStructFromArg(ref ppStruct);
ManagedSimpleStruct retStructA = (ManagedSimpleStruct)Marshal.PtrToStructure(ppStruct, typeof(ManagedSimpleStruct));
Marshal.FreeCoTaskMem(ppStruct);
Console.WriteLine("return struct value：int = {0}, short = {1}, float = {2:f6}, double = {3:f6}",
retStruct.intValue, retStruct.shortValue, retStruct.floatValue, retStruct.doubleValue);
}
private static void StringArray()
{
string[] strings = new string[] {
"This is the first string.",
"Those are brown horse.",
"The quick brown fox jumps over a lazy dog."
};
Console.WriteLine("\nelement string before：");
foreach (string originalString in strings)
{
Console.WriteLine(originalString);
}
CPlusPlusLib.ArrayOfString(strings, strings.Length);
Console.WriteLine("element string after：");
foreach (string reversedString in strings)
{
Console.WriteLine(reversedString);
}
}
static void Main(string[] args)
{
int result1 = CPlusPlusLib.Add(1, 2);
int result2 = CPlusPlusLib.Sub(1, 2);
int result3 = CPlusPlusLib.Multiply(2, 2);
Console.WriteLine(string.Format("{0} {1} {2}", result1, result2, result3));
/////////////////////////////////////////////////////////////////////
CPlusPlusLib.PrintMsg("\nTest CPlusPlusLib");
string rawString = "12345";
StringBuilder reversedString = new StringBuilder(rawString.Length);
CPlusPlusLib.ReverseAnsiString(rawString, reversedString);
Console.WriteLine(string.Format("{0} , {1}", rawString, reversedString.ToString()));
rawString = "123456";
string reversedStringA;
CPlusPlusLib.ReverseStringA(rawString, out reversedStringA);
Console.WriteLine(string.Format("{0} , {1}", rawString, reversedStringA));
string strNew = CPlusPlusLib.GetStringNew();
Console.WriteLine(strNew);
IntPtr stringPtr = CPlusPlusLib.GetStringNewA();
string strNewA = System.Runtime.InteropServices.Marshal.PtrToStringUni(stringPtr);
Console.WriteLine(strNewA);
///////////////////////////////////////////////////////////////////
System.Diagnostics.Stopwatch mWatch = new System.Diagnostics.Stopwatch();
const int testCycle = 600000;
mWatch.Reset();
mWatch.Start();
for (int i = 0; i < testCycle; i++)
{
CPlusPlusLib.IsAsciiNonblittable('a');
}
mWatch.Stop();
Console.WriteLine("\ntime elapsed {0}", mWatch.ElapsedTicks);
byte mb = (byte)'a';
mWatch.Reset();
mWatch.Start();
for (int i = 0; i < testCycle; i++)
{
CPlusPlusLib.IsAsciiBlittable(mb);
}
mWatch.Stop();
Console.WriteLine("time elapsed {0}", mWatch.ElapsedTicks);
mWatch.Reset();
mWatch.Start();
for (int i = 0; i < testCycle; i++)
{
CPlusPlusLib.IsWasciiNonblittable('a');
}
mWatch.Stop();
Console.WriteLine("time elapsed {0}", mWatch.ElapsedTicks);
//////////////////////////////////////////////////////////////////
IntPtr pString = IntPtr.Zero;
IntPtr result = IntPtr.Zero;
result = CPlusPlusLib.BSTRString(out pString);
if (IntPtr.Zero != pString)
{
string argString = Marshal.PtrToStringBSTR(pString);
Console.WriteLine("\nargument out BSTR：{0}", argString);
// Free BSTR
Marshal.FreeBSTR(pString);
}
if (IntPtr.Zero != result)
{
string retString = Marshal.PtrToStringBSTR(result);
Console.WriteLine("function return BSTR：{0}", retString);
// Free BSTR
Marshal.FreeBSTR(result);
}
///////////////////////////////////////////////////////////////////
StructArgument();
StructReturn();
//////////////////////////////////////////////////////
StructAllocString();
StructAllocString_IntPtrString();
ClassNonBlittlable();
////////////////////////////////////////////////////
StructAsRefField();
StructAsValField();
StructAsValFieldFlattened();
///////////////////////////////////////////////////
CharArray();
StringArray();
Console.WriteLine("\r\nPress any key to exit...");
Console.Read();
}