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- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- using System.Windows.Forms;
- namespace тест_1
- {
- public partial class Form1 : Form
- {
- public Form1()
- {
- InitializeComponent();
- }
- private void Form1_Load(object sender, EventArgs e)
- {
- button1.Enabled = true; //блокируем кнопку
- }
- private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
- {
- if (!Char.IsDigit(e.KeyChar) && !(e.KeyChar.ToString() == "," && textBox1.Text.IndexOf(',') == -1))
- /*сообщение о нажатии клавиши не должно передаваться элементу управления*/
- {
- e.Handled = true; // запретили дальнейшую обработку нажатой клавиши
- }
- if (e.KeyChar.Equals((char)13))
- {
- textBox2.Focus(); //Enter
- }
- }
- private void label1_Click(object sender, EventArgs e)
- {
- }
- private void label3_Click(object sender, EventArgs e)
- {
- }
- }
- }
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