private static void Main(string[] args)
{
var classExample = new ClassExample(true, 111, 55.44);
var classExampleCopy = classExample;
classExample.Field1 = false;
classExample.Field2 = 222;
classExample.Field3 = 111.222;
Console.WriteLine("Пример присвоения ссылки.");
Console.WriteLine(classExample.Info);
Console.WriteLine(classExampleCopy.Info);
var structExample = new StructExample(true, 111, 55.44);
var structExampleCopy = structExample;
structExample.Field1 = false;
structExample.Field2 = 222;
structExample.Field3 = 111.222;
Console.WriteLine("Пример присвоения значения.");
Console.WriteLine(structExample.Info);
Console.WriteLine(structExampleCopy.Info);
Console.ReadLine();
}
void button_Click(object sender, EventArgs e)
{
string s = (sender as Button).Text;
switch (s)
{
case "例1":
Student student = new Student();
student.Name = "张三";
student.Age = "21";
student.PrintInfo();
MessageBox.Show(student.Output);
break;
case "例2":
StructExample p = new StructExample();
break;
case "例3":
MethodExample1 q = new MethodExample1();
MessageBox.Show(q.GetOutPut());
break;
case "例4":
MethodExample2 r = new MethodExample2();
MessageBox.Show(r.GetOutPut());
break;
case "例5":
int x = 13, y = 3;
int result, rem;
MethodExample3.Div(x, y, out result, out rem);
string s1 = string.Format("x={0},y={1}\n商={2},余数={3}", x, y, result, rem);
MessageBox.Show(s1);
break;
case "例6":
string r1 = string.Format("1,2,3,5的平均值为{0}", MethodExample4.Average(1, 2, 3, 5));
string r2 = string.Format("4,5,6的平均值为{0}", MethodExample4.Average(4, 5, 6));
MessageBox.Show(r1 + "\n" + r2);
break;
case "例7":
InheritExample m7 = new InheritExample();
m7.ShowDialog();
break;
}
}
public void SerializeStruct()
{
const string expected = @"Count,Flag,Description
5,True,""This is the description""";
var input = new StructExample
{
Count = 5,
Flag = true,
Description = "This is the description"
};
var result = CsvConvert.Serialize(input);
Assert.That(result, Is.EqualTo(expected));
}
private static void Main(string[] args)
{
var classExample = new ClassExample(true, 111, 55.44);
ClassMethod(classExample);
Console.WriteLine("Пример передачи в метод экземпляра класса.");
Console.WriteLine(classExample.Info);
var structExample = new StructExample(true, 111, 55.44);
StructMethod(structExample);
Console.WriteLine("Пример передачи в метод экземпляра структуры.");
Console.WriteLine(structExample.Info);
Console.ReadLine();
}
static void Main(string[] args)
{
Man man = new Man();
// Вызов метода GetType() (Метод базового класса object).
var type = man.GetType();
Console.WriteLine("Информация о классе");
GetMainInfoAboutClass(type);
Console.WriteLine();
type = typeof(EnumExample);
Console.WriteLine("Информация о перечислении");
GetMainInfoAboutClass(type);
Console.WriteLine();
StructExample structExample = new StructExample();
type = structExample.GetType();
Console.WriteLine("Информация о структуре");
GetMainInfoAboutClass(type);
Console.WriteLine("");
Console.ReadLine();
}
// Структуры копируют значение.
private static void StructMethod(StructExample strucExample)
{
strucExample.Field1 = false;
strucExample.Field2 = 222;
strucExample.Field3 = 111.222;
}
// This is basically a runner class, runs various classes implemented.
public static void Main(string[] args)
{
//var datalist = new StoreData<int>();
//datalist.Add(1);
//datalist.Add(2);
//datalist.Add(3);
//datalist.Add(4);
//datalist.Add(5);
//foreach (var item in datalist)
//{
// Console.WriteLine(item);
//}
//var datalist2 = new StoreData<string>();
//datalist2.Add("If ");
//datalist2.Add("Only ");
//datalist2.Add("I ");
//datalist2.Add("Could ");
//datalist2.Add("***.");
//foreach (var item in datalist2)
//{
// Console.Write(item);
//}
//Console.ReadLine();
A dataA = new A()
{
Data1 = "Hello", Data2 = "World"
};
// Assigning like this does a "shallow copy".
A dataB = dataA;
dataB.Data1 = "Goodbye";
dataB.Data2 = "City";
A dataBDistinct = new A(dataA);
// dataBDistinct should not be affected by changes made to dataA
dataA.Data1 = "Hello";
dataA.Data2 = "World";
StructExample someStruct = new StructExample();
StructExample someOtherStruct = new StructExample(1, 2);
//FileInfo fi = new FileInfo("ads");
//fi.Attributes = FileAttributes.ReadOnly | FileAttributes.ReadOnly;
Type predefineAttribute = typeof(AttributeUsageAttribute);
Type conditionalAttr = typeof(ConditionalAttribute);
foreach (Attribute attr in predefineAttribute.GetCustomAttributes(false))
{
Console.WriteLine(attr.ToString());
}
foreach (PropertyInfo poperty in predefineAttribute.GetProperties())
{
Console.WriteLine(poperty.ToString());
}
SomeObsoleteMethod();
IMyInterfaceCompression compression = new ZipCompression();
compression.Compress("", null);
compression = new RarCompression();
compression.Compress("", null);
Console.WriteLine("***************Async****************");
TestAsync();
// Console.WriteLine("***************Async****************");
Console.WriteLine("***************LINQ EXAMPLE ****************");
LinqExample db = new LinqExample();
var customers = from cust in db.Customers
select cust;
db.AddCustomer(new Customer()
{
Name = "NitinAr", Designation = "Technical Fellow", City = "Seattle"
});
foreach (Customer cst in customers)
{
Console.Write(cst.Name + ", ");
}
Console.WriteLine();
Console.WriteLine("***************LINQ EXAMPLE ****************");
Console.WriteLine("*************** DELEGATES, LAMBDAS ****************");
Func <int, int, bool> comparisonHandler = LessThan;
comparisonHandler = (a, b) => a < b;
comparisonHandler = delegate(int a, int b)
{
return(a < b);
};
Console.WriteLine("***************DELEGATES, LAMBDAS****************");
Console.WriteLine("***************vs EXPRESSIONS****************");
// Expression tree is a collection of Data and by iterating over data, it is possible to convert
// data to another type.
// Look at the different in calling ToString() on Func<> v/s Expression<>.
Expression <Func <int, int, bool> > comparisonHandlerExpression;
comparisonHandlerExpression = (x, y) => x < y;
Console.WriteLine(comparisonHandler.ToString());
Console.WriteLine(comparisonHandlerExpression.ToString());
Console.WriteLine(comparisonHandlerExpression.Body.ToString());
Console.WriteLine("***************vs EXPRESSIONS****************");
CloseOverMe closeOverMe = new CloseOverMe();
Func <int, int> incrementer = closeOverMe.GetFuncIncrementer();
Console.WriteLine(incrementer(3));
Console.WriteLine(incrementer(4));
Console.ReadLine();
}
