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