[C#] msdn - 圖片檢視器

Step by Step
學習 基本表單、基本控制項、基本屬性、對話方塊
學習 TableLayoutPanel、FlowLayoutPanel
學習 顯示圖片、清除圖片

TableLayoutPanel是一種容器，可如表格一般整齊地排列其他控制項。
FlowLayoutPanel則依流量方向來排列內容。
皆提供，在執行階段的動態排列。

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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.Windows.Forms;

namespace PictureViewer
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void showButton_Click(object sender, EventArgs e)
        {
            // Show the Open File dialog. If the user clicks OK, load the
            // picture that the user chose.
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                pictureBox1.Load(openFileDialog1.FileName);
            }
                
        }

        private void clearButton_Click(object sender, EventArgs e)
        {
            // Clear the picture.
            pictureBox1.Image = null;
        }

        private void backgroundButton_Click(object sender, EventArgs e)
        {
            // Show the color dialog box. If the user clicks OK, change the
            // PictureBox control's background to the color the user chose.
            if (colorDialog1.ShowDialog() == DialogResult.OK)
                pictureBox1.BackColor = colorDialog1.Color;
        }

        private void closeButton_Click(object sender, EventArgs e)
        {
            // Close the form.
            this.Close();
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            // If the user selects the Stretch check box, 
            // change the PictureBox's
            // SizeMode property to "Stretch". If the user clears 
            // the check box, change it to "Normal".
            if (checkBox1.Checked)
                pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
            else
                pictureBox1.SizeMode = PictureBoxSizeMode.Normal;
        }

    }
}