查看剪切板的内容！

╰半夏微凉° 2022-06-02 04:17 263阅读 0赞

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 WindowsFormsApplication49
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void Form1_Load(object sender, EventArgs e)
            {
                radioButton1.Checked = true;
                pictureBox1.Visible = false;
                textBox1.Visible = true;
            }
            //“查看”按钮
            private void button1_Click(object sender, EventArgs e)
            {
                IDataObject data;//为传送数据提供与格式无关的接口
                string format = FormatString();
                if (format == "Bitmap")
                {
                    textBox1.Visible = false;
                    pictureBox1.Visible = true;
                    data = Clipboard.GetDataObject();//检索位于当前系统剪切板的数据
                    if (data.GetDataPresent(format))//确定此实例中存储的数据是否与指定的格式关联，返回布尔
                    {
                        pictureBox1.Image = (Bitmap)data.GetData(format);//检索与指定的格式关联的数据
                        pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
    
                    }
                    else
                    {
                        MessageBox.Show("格式不正确", "提示");
    
                    }
    
                }
                else
                {
                    textBox1.Visible = true;
                    pictureBox1.Visible = false;
                    data = Clipboard.GetDataObject();
                    if (data.GetDataPresent(format))
                    {
                        textBox1.Text = (string)data.GetData(format);
                    }
                    else
                    {
                        MessageBox.Show("格式不正确", "提示");
                    }
                }
            }
            private string FormatString()
            {
                string format = "";
                if (radioButton1.Checked) format = DataFormats.Text;//得到IDATAOBJECT里面数据的格式
                if (radioButton2.Checked) format = DataFormats.Rtf;
                if (radioButton3.Checked) format = DataFormats.Bitmap;
                if (radioButton4.Checked) format = DataFormats.Html;
                return format;
            }
        }
    }

运行程序后，如果之前复制过BITMAP图，则TEXTBOX消失，PICTRUEBOX出现，并且显示该图；反之如果选择的是后三项，则TEXTBOX出现，并且显示复制过的值。效果图如下：

![1345619974_2185.jpg][]

![1345620047_8360.jpg][]

\----问题1.

如果把文字与图片一起复制的话，就不能显示了。

解决方案：未解决

[1345619974_2185.jpg]: https://img-my.csdn.net/uploads/201208/22/1345619974_2185.jpg
[1345620047_8360.jpg]: https://img-my.csdn.net/uploads/201208/22/1345620047_8360.jpg