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C#. . .: ͻ, 2007. 94 .
C#, , - . Microsoft Visual Studio 2005 - .
, .
.., 2007
ͻ, 2007
.. 6
1. C#. 7
1.1. .. 7
1.2. . 8
1.3. . 10
1.4. . 11
1.5. / . 12
1.6. . 14
1.7. .. 14
1.8. . 16
1.9. . 18
... 19
2. .. 20
2.1. .. 20
2.2. C#. 21
... 24
3. - C# 25
3.1. .. 25
3.2. . 25
3.3. . 28
3.4. .. 31
3.5. . 34
3.6. . 36
3.7. . 39
3.8. . 41
3.9. .. 43
3.10. . 44
3.11. .. 46
3.12. .. 48
3.13. .. 49
3.14. . 51
3.15. . 58
... 61
4. Microsoft Visual Studio 2005. 61
4.1. . 61
4.2. .. 62
4.3. .. 63
4.4. / . 64
4.4.1. / -. 65
4.4.2. / -. 66
4.4.3. / . 67
4.4.4. / . 68
4.5. . 71
4.5.1. SDI . 72
4.5.2. MDI . 75
... 80
5. - Microsoft Visual Studio 2005. 81
5.1. 81
5.2. . 84
5.3. .. 87
5.4. . 89
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++ . # . , . , , # .
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# ( Microsoft .NET Framework) . # , Windows, Internet, .
. , . " " , , . . #. # "" . ( C++) Pascal, , Delphi, .
# , Microsoft .Net Framework Microsoft. C# , , C++, Java, Delphi, Modula-2 Smalltalk. , Turbo Pascal Borland Delphi, . , # , , ; , , - .
, . ++ Delphi
1. C#
Microsoft Studio 2005. , , , . C# , . Studio 2005 :
- File New Project;
- Visual C#, Windows, Console Application;
- (Location) (Name), ConsApp.
:
using System; //
using System.Collections.Generic;
using System.Text;
namespace ConsApp
{
//
class Program
{
//
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static void Main(string[] args)
{
// ,
Console.WriteLine(" );
Console.ReadLine();
}
}
}
( ), (Program), (Main). . . Console.ReadLine(); . , / Pascal. .
C#
| sbyte | 1 , | -128 127 |
| byte | 1, | 0 255 |
| char | 2 , Unicode | 0000 FFFF |
| short | 2 , | -32768 32767 |
| ushort | 2 , | 0 65535 |
| int | 4 , | -2 147 483 646 2 147 483 647 |
| uint | 4 , | 0 4 294 967 295 |
| long | 8 , | -9 223 372 036 854 775 808 9 223 372 036 854 775 807 |
| ulong | 8 , | 0 18 446 744 073 709 551 615 |
| decimal | 28, 29 | 10e-28 7.9e+28 |
| float | 7 | 1.5e-45 3.4e38 |
| double | 15-16 | 5.0e-324 1.7e308 |
| bool | true false | |
| string |
C#, ++ , , .
.
int i, k;
float x, y;
decimal d1;
short n;
string s1;
char c1;
bool b1;
i = 3;
n=9;
x = -6.7f; // x = -456.43F;
double z;
z = 5.76; // z = 5.34D; z = -76.45d;
d1 = 123.43m; // d1 = 154.65M;
s1 = "ABCDEF";
c1 = '?';
b1=true;
, -6.7 double x = -6.7; ! d1 = 123.43; float, double, decimal. decimal Currency (): ( ).
.
: , . bool, double, decimal . float double; int long, float, double, decimal; long float, double, decimal.
(__)
( - . ).
x=(float)56.3; // double
// float
d1 = (decimal)25.6; // double
// decimal
i = (int)8.6; // i=8
. , :
x=(float)56.6e+300; , float. . , short n=123456789; n=(short)123456789; .
C# , . !
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: ; , int, double, bool, string.
