/// <summary>
/// Parses the ClipboardItem as a FileDrop (string[]).
/// </summary>
public static string[] ParseFileDrop(ClipboardItem item)
{
if (!CanParse(item, AbstractDataFormat.FileDrop))
{
throw new ArgumentException("The ClipboardItem does not contain data in the requested format.");
}
switch (item.Format)
{
case DataFormat.HDrop:
{
byte[] bytes = item.GetDataBuffer();
// The first 18 bytes are object header and size information.
// The rest is a block of zero-terminated unicode strings.
string fileNamesZero = Encoding.Unicode.GetString(bytes, 18, bytes.Length - 18);
string[] fileNames = fileNamesZero
.Split('\0')
.Where(x => x.Length > 0)
.ToArray();
return(fileNames);
}
case DataFormat.ShellIdList:
{
byte[] bytes = item.GetDataBuffer();
NativeMethods.CIDA cida = BinaryStructConverter.FromByteArray <NativeMethods.CIDA>(bytes);
return(new string[] { });
}
default:
throw new NotImplementedException();
}
}
public static byte[] GetBytes(ClipboardItem item, AbstractDataFormat type)
{
switch (type)
{
case AbstractDataFormat.Image:
{
BitmapFrame frame = ParseImage(item);
PngBitmapEncoder png = new PngBitmapEncoder();
png.Frames.Add(frame);
using (MemoryStream mem = new MemoryStream())
{
png.Save(mem);
return(mem.ToArray());
}
}
case AbstractDataFormat.Text:
{
string text = ParseText(item);
return(Encoding.Unicode.GetBytes(text));
}
default:
throw new NotSupportedException();
}
}
/// <summary>
/// Parses the ClipboardItem as an image (BitmapFrame).
/// </summary>
public static BitmapFrame ParseImage(ClipboardItem item)
{
if (!CanParse(item, AbstractDataFormat.Image))
{
throw new ArgumentException("The ClipboardItem does not contain data in the requested format.");
}
switch (item.Format)
{
case DataFormat.Dib:
byte[] dibBytes = item.GetDataBuffer();
BitmapFrame imageSource = DIBitmap.CreateBitmapFrameFromDibBytes(dibBytes);
// Freeze the image to prevent modifications
// and allow it to be used from different threads.
imageSource.Freeze();
return(imageSource);
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Parses the ClipboardItem as text (string).
/// </summary>
public static string ParseText(ClipboardItem item)
{
if (!CanParse(item, AbstractDataFormat.Text))
{
throw new ArgumentException("The ClipboardItem does not contain data in the requested format.");
}
switch (item.Format)
{
case DataFormat.Text:
return(ParseStringAZ(item.GetDataBuffer()));
case DataFormat.UnicodeText:
return(ParseStringWZ(item.GetDataBuffer()));
case DataFormat.OemText:
return(ParseStringAZ(item.GetDataBuffer()));
default:
throw new NotImplementedException();
}
}
/// <summary>
/// Checks if the ClipboardItem contains data
/// that can be parsed as the requested type.
/// </summary>
/// <param name="item">The ClipboardItem.</param>
/// <param name="type">The requested abstract data type.</param>
/// <returns>True when the fragment contains data that can be parsed as the requested type.</returns>
public static bool CanParse(ClipboardItem item, AbstractDataFormat type)
{
return(GetAbstractFormat(item.Format) == type);
}
