Tuesday, May 25, 2021

【Visual Studio Visual Csharp】Message Box

 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; using System.Diagnostics; // make sure that using System.Diagnostics; is included namespace MessageBoxes { public partial class Form1 : Form { public Form1() { InitializeComponent(); comboBox1.SelectedIndex = 0; } private void button1_Click(object sender, EventArgs e) { foreach (var item in comboBox1.Items) { if (comboBox1.SelectedIndex == 0) { // no icon MessageBox.Show(textBox1.Text, "MessageBox", MessageBoxButtons.OK); break; } if (comboBox1.SelectedIndex == 1) { // info icon ... MessageBox.Show(textBox1.Text, "MessageBox", MessageBoxButtons.OK, MessageBoxIcon.Information); break; } if (comboBox1.SelectedIndex == 2) { // question icon MessageBox.Show(textBox1.Text, "MessageBox", MessageBoxButtons.OK, MessageBoxIcon.Question); break; } if (comboBox1.SelectedIndex == 3) { // warning icon MessageBox.Show(textBox1.Text, "MessageBox", MessageBoxButtons.OK, MessageBoxIcon.Warning); break; } if (comboBox1.SelectedIndex == 4) { // error icon MessageBox.Show(textBox1.Text, "MessageBox", MessageBoxButtons.OK, MessageBoxIcon.Error); break; } } } private void lblLink_Click(object sender, EventArgs e) { Process.Start("www.vclexamples.com"); } private void button2_Click(object sender, EventArgs e) { DialogResult d = MessageBox.Show("Choose Yes or No", "MsgBox result", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (d == DialogResult.Yes) { MessageBox.Show("Your choice: YES", "MessageBoxExample", MessageBoxButtons.OK, MessageBoxIcon.Question); } if (d == DialogResult.No) { MessageBox.Show("Your choice: NO", "MessageBoxExample", MessageBoxButtons.OK, MessageBoxIcon.Question); } } } }

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