Output:
Code:
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 Question_6
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
ColorDialog SelectColor = new ColorDialog();
if (SelectColor.ShowDialog() == DialogResult.OK)
{
textBox1.BackColor = SelectColor.Color;
textBox1.Clear();
if (SelectColor.ShowDialog() == DialogResult.OK)
{
textBox1.ForeColor = SelectColor.Color;
}
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
if (textBox1.Text.Length > 5)
{
textBox1.BackColor = Color.Blue;
textBox1.ForeColor = Color.Red;
}
if (textBox1.Text.Length < -0)
{
textBox1.BackColor = Color.White;
MessageBox.Show("Your Text Box Does't Have Any Text");
}
if (textBox1.Text == "A" || textBox1.Text == "E" || textBox1.Text == "I" || textBox1.Text == "O" || textBox1.Text == "U")
{
MessageBox.Show("Your First Character Is Vowels");
textBox1.BackColor = Color.Turquoise;
}
}
private void button2_Click(object sender, EventArgs e)
{
textBox1.Clear();
textBox1.BackColor = Color.White;
textBox1.ForeColor = Color.Black;
}
}
}
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