/// <summary> /// Empty the Clipboard and Restore to system clipboard data contained in a collection of ClipData objects /// </summary> /// <param name="clipData">The collection of ClipData containing data stored from clipboard</param> /// <returns></returns> private static bool SetClipboard(ReadOnlyCollection <DataClip> clipData) { //Open clipboard to allow its manipulation if (!Win32ClipboardAPI.OpenClipboard(IntPtr.Zero)) { return(false); } //Clear the clipboard EmptyClipboard(); //Get an Enumerator to iterate into each ClipData contained into the collection IEnumerator <DataClip> cData = clipData.GetEnumerator(); while (cData.MoveNext()) { DataClip cd = cData.Current; //Get the pointer for inserting the buffer data into the clipboard IntPtr alloc = Win32MemoryAPI.GlobalAlloc(Win32MemoryAPI.GMEM_MOVEABLE | Win32MemoryAPI.GMEM_DDESHARE, cd.Size); IntPtr gLock = Win32MemoryAPI.GlobalLock(alloc); //Copy the buffer of the ClipData into the clipboard if ((int)cd.Size > 0) { Marshal.Copy(cd.Buffer, 0, gLock, cd.Buffer.GetLength(0)); } //Release pointers Win32MemoryAPI.GlobalUnlock(alloc); Win32ClipboardAPI.SetClipboardData(cd.Format, alloc); } ; //Close the clipboard to release unused resources Win32ClipboardAPI.CloseClipboard(); return(true); }
/// <summary> /// Convert to a DataClip collection all data present in the clipboard /// </summary> /// <returns></returns> private static ReadOnlyCollection <DataClip> GetClipboard() { //Init a list of ClipData, which will contain each Clipboard Data List <DataClip> clipData = new List <DataClip>(); //Open Clipboard to allow us to read from it if (!Win32ClipboardAPI.OpenClipboard(IntPtr.Zero)) { return(new ReadOnlyCollection <DataClip>(clipData)); } //Loop for each clipboard data type uint format = 0; while ((format = Win32ClipboardAPI.EnumClipboardFormats(format)) != 0) { //Check if clipboard data type is recognized, and get its name string formatName = "0"; DataClip cd; if (format > 14) { StringBuilder res = new StringBuilder(); if (Win32ClipboardAPI.GetClipboardFormatName(format, res, 100) > 0) { formatName = res.ToString(); } } //Get the pointer for the current Clipboard Data IntPtr pos = Win32ClipboardAPI.GetClipboardData(format); //Goto next if it's unreachable if (pos == IntPtr.Zero) { continue; } //Get the clipboard buffer data properties UIntPtr lenght = Win32MemoryAPI.GlobalSize(pos); IntPtr gLock = Win32MemoryAPI.GlobalLock(pos); byte[] buffer; if ((int)lenght > 0) { //Init a buffer which will contain the clipboard data buffer = new byte[(int)lenght]; int l = Convert.ToInt32(lenght.ToString()); //Copy data from clipboard to our byte[] buffer Marshal.Copy(gLock, buffer, 0, l); } else { buffer = new byte[0]; } //Create a ClipData object that represtens current clipboard data cd = new DataClip(format, formatName, buffer); cd.FormatName = formatName; //Add current Clipboard Data to the list clipData.Add(cd); } //Close the clipboard and realese unused resources Win32ClipboardAPI.CloseClipboard(); //Returns the list of Clipboard Datas as a ReadOnlyCollection of ClipData return(new ReadOnlyCollection <DataClip>(clipData)); }
/// <summary> /// Remove all data from Clipboard /// </summary> /// <returns></returns> public static bool EmptyClipboard() { return(Win32ClipboardAPI.EmptyClipboard()); }