form1.cs

java基础方面的一些实例代码

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace clipboardA
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.Button button3;
		private System.Windows.Forms.TextBox textBox1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.button2 = new System.Windows.Forms.Button();
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.button3 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(96, 48);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(120, 23);
			this.button1.TabIndex = 0;
			this.button1.Text = "将文本放入剪贴板";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(16, 16);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(280, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "在此输入文本信息";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(24, 288);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(112, 23);
			this.button2.TabIndex = 3;
			this.button2.Text = "打开图片";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// pictureBox1
			// 
			this.pictureBox1.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
			this.pictureBox1.Location = new System.Drawing.Point(16, 80);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(280, 192);
			this.pictureBox1.TabIndex = 4;
			this.pictureBox1.TabStop = false;
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(176, 288);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(112, 23);
			this.button3.TabIndex = 5;
			this.button3.Text = "将图片放入剪贴板";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(312, 326);
			this.Controls.Add(this.button3);
			this.Controls.Add(this.pictureBox1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.button1);
			this.Name = "Form1";
			this.Text = "剪贴板实现进程通信（步骤一）";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if(textBox1.Text!= "")
				Clipboard.SetDataObject(textBox1.Text, true);//把数据存放到剪切板中
			else
				MessageBox.Show("没有数据被放置到剪贴板！");

		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			//打开图片
			Bitmap bmp;
			Stream imageStream;
			openFileDialog1.Filter = "image files (.bmp,.jpg,.gif)|*.bmp;*.jpg;*.gif;*.exe" ;
			openFileDialog1.FilterIndex = 1 ;
			if(openFileDialog1.ShowDialog() == DialogResult.OK)
			{
				try
				{
					imageStream = openFileDialog1.OpenFile();
					bmp = new Bitmap(imageStream);
					this.pictureBox1.Image = bmp;
				}
				catch (Exception ex)
				{
					MessageBox.Show(ex.Message);
				}
			}

			
			

		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			if(this.pictureBox1.Image != null)
				Clipboard.SetDataObject(pictureBox1.Image);//把数据存放到剪切板中
			else
				MessageBox.Show("没有数据被放置到剪贴板！");

		}
	}
}