C#ShowAcquireImage

您！C#中获取图像的方式有很多种，以下是其中一种示例代码：

using System;
using System.Drawing;
using System.Windows.Forms;

namespace ShowAcquireImage
{
    public partial class Form1 : Form
    {
        private PictureBox pictureBox1;
        private Button button1;
        private OpenFileDialog openFileDialog1;

        public Form1()
        {
            InitializeComponent();
        }

        private void InitializeComponent()
        {
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.button1 = new System.Windows.Forms.Button();
            this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            // 
            // pictureBox1
            // 
            this.pictureBox1.Location = new System.Drawing.Point(12, 12);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(300, 300);
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(318, 12);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 1;
            this.button1.Text = "Open";
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // openFileDialog1
            // 
            this.openFileDialog1.FileName = "openFileDialog1";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(405, 324);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.pictureBox1);
            this.Name = "Form1";
            this.Text = "Show and Acquire Image";
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);

        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                pictureBox1.Image = Image.FromFile(openFileDialog1.FileName);
            }
        }
    }
}

这个示例代码中，我们使用了 `OpenFileDialog` 控件来打开本地的图像文件，并且将图像显示在 `PictureBox` 控件中。当用户单击“Open”按钮时，会弹出一个文件对话框，用户可以选择本地的图像文件。然后，我们使用 `Image.FromFile()` 方法来加载图像文件，并将其赋值给 `PictureBox` 控件的 `Image` 属性，以显示图像。