, Windows. .
1.1 . : . .
Toolbox: (Label), (TextBox) (Button).
;
;
;
.
.
1.3 .
Toolbox , . , , , .
Toolbox . Toolbox, , 
( ). Toolbox .
, , Text 1.3. Properties, 1.4.
1.4 Properties button1
, Multiline = true.
Text.
.
private void button1_Click(object sender, EventArgs e)
.
Program.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
|
|
|
Application.Run(new Form1());
}
}
}
Form1.cs:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1: Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
int a,b,c,p;
a = Convert.ToInt32(textBox1.Text);
b = Convert.ToInt32(textBox2.Text);
c = Convert.ToInt32(textBox3.Text);
p = a + b + c;
if (a > 0 && b > 0 && c > 0)
if (a + b > c && a + c > b && b + c > a)
textBox4.Text = " = " + p.ToString();
else
{
textBox4.Text = " ";
}
else
{
textBox4.Text = " 0! ";
}
}
}
}
. .
System , , , , .
System.Collections , , , , , ..
System.ComponentModel .
System.Data , ADO.NET. .
System .Drawing (Graphics Device Interface, GDI), , GDI+. , , , , , .
System.Linq , , , .
System.Windows.Forms , , Microsoft windows Microsoft.NET Frameworks.
System System.Windows.Forms, .
( File -> Save All).
10 , , C # , .
, 1_1_ treygolnik, , WindowsFormsAplication 1, WindowsFormsAplication 1 , WindowsFormsAplication 1. csproj. WindowsFormsAplication 1 ( ) bin, obj, Properties , Program. cs Form 1. cs. Form 1, , Form 1. Designer. cs, , .
|
|
|
Visual Studio. Net Form 1. cs.
, , , Form 1. cs.
,
|$1
{}
*
Q: /;
*
#
*
|
Q:,JSJI
9
|$1
