使用C#调用winAPI SetClipboardData(CF_HDROP, ptr)的方法

最新推荐文章于 2025-10-16 10:27:11 发布

原创最新推荐文章于 2025-10-16 10:27:11 发布 · 2.5k 阅读

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#C# #剪贴板

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本文介绍了一个使用C#实现将多个文件路径写入Windows剪贴板的方法，通过构造特定格式的数据并利用P/Invoke调用Windows API实现。

尝试了很多种方法最后还是觉得这种靠谱一点虽然也麻烦了点

但是可行但是前提是文件路径没中文欢迎大家来提意见修改完善一下_(:з」∠)_

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

class Program
    {
        [DllImport("kernel32.dll")]
        static extern IntPtr GlobalLock(IntPtr hMem);
        [DllImport("kernel32.dll")]
        static extern IntPtr GlobalUnlock(IntPtr hMem);
        [DllImport("user32.dll", SetLastError = true)]
        static extern bool OpenClipboard(IntPtr hWndNewOwner);
        [DllImport("user32.dll")]
        static extern bool EmptyClipboard();
        [DllImport("user32.dll")]
        static extern IntPtr SetClipboardData(uint uFormat, IntPtr hData);
        [DllImport("user32.dll", SetLastError = true)]
        static extern bool CloseClipboard();
        
        [StructLayout(LayoutKind.Sequential)]
        struct DROPFILES
        {
            public uint pFiles;
            public int x;
            public int y;
            public int fNC;
            public int fWide;
        };
        
        public static byte[] StructureToByte<T>(T structure)
        {
            int size = Marshal.SizeOf(typeof(T));
            byte[] buffer = new byte[size];
            IntPtr bufferIntPtr = Marshal.AllocHGlobal(size);
            try
            {
                Marshal.StructureToPtr(structure, bufferIntPtr, true);
                Marshal.Copy(bufferIntPtr, buffer, 0, size);
            }
            finally
            {
                Marshal.FreeHGlobal(bufferIntPtr);
            }
            return buffer;
        }
        
        public static void SetClipboardData(List<string> pathList)
        {
            StringBuilder builder = new StringBuilder();
            for (int i = 0; i < pathList.Count; i++)
            {
                builder.Append(pathList[i]);
                builder.Append('\0');
            }
            builder.Append('\0');
            string path = builder.ToString();
            OpenClipboard(IntPtr.Zero);
            int length = Marshal.SizeOf(typeof(DROPFILES));
            IntPtr bufferPtr = Marshal.AllocHGlobal(length + path.Length * sizeof(char) + 8);
            try
            {
                GlobalLock(bufferPtr);
                DROPFILES config = new DROPFILES();
                config.pFiles = (uint)length;
                config.fNC = 1;
                int seek = 0;
                byte[] configData = StructureToByte(config);
                for (int i = 0; i < configData.Length; i++)
                {
                    Marshal.WriteByte(bufferPtr, seek, configData[i]);
                    seek++;
                }
                for (int i = 0; i < path.Length; i++)
                {
                    Marshal.WriteInt16(bufferPtr, seek, path[i]);
                    seek++;
                }
                GlobalUnlock(bufferPtr);
                EmptyClipboard();
                SetClipboardData(15, bufferPtr);
            }
            catch (Exception e)
            {
                throw e;
            }
            finally
            {
                Marshal.FreeHGlobal(bufferPtr);
                CloseClipboard();
            }
        }

        static void Main(string[] args)
        {
            SetClipboardData(new List<string> { "D:\\666.txt", "D:\\333.txt" });
            Console.Read();
        }
    }