Exemplo n.º 1
0
        /// <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);
        }
Exemplo n.º 2
0
        /// <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));
        }