public static Asn1Node Paste()
{
DataFormats.GetFormat(Asn1ClipboardData.asn1FormatName);
Asn1Node asn1Node1 = new Asn1Node();
IDataObject dataObject = Clipboard.GetDataObject();
byte[] data1 = (byte[])dataObject.GetData(Asn1ClipboardData.asn1FormatName);
if (data1 != null)
{
MemoryStream memoryStream = new MemoryStream(data1);
memoryStream.Position = 0L;
asn1Node1.LoadData((Stream)memoryStream);
}
else
{
string data2 = (string)dataObject.GetData(DataFormats.Text);
Asn1Node asn1Node2 = new Asn1Node();
if (Asn1Util.IsAsn1EncodedHexStr(data2))
{
byte[] bytes = Asn1Util.HexStrToBytes(data2);
asn1Node1.LoadData(bytes);
}
}
return(asn1Node1);
}
/// <summary>
/// Paste clipboard data as an Asn1Node. It try to get data from
/// Asn1NodeDataFormat first, then try Text data format.
/// </summary>
/// <returns>Asn1Node</returns>
public static Asn1Node Paste()
{
DataFormats.Format asn1Format = DataFormats.GetFormat(asn1FormatName);
Asn1Node retval = new Asn1Node();
IDataObject aRetrieveObj = Clipboard.GetDataObject();
byte[] aData = (byte[])aRetrieveObj.GetData(asn1FormatName);
if (aData != null)
{
MemoryStream ms = new MemoryStream(aData);
ms.Position = 0;
retval.LoadData(ms);
}
else
{
string dataStr = (string)aRetrieveObj.GetData(DataFormats.Text);
Asn1Node tmpNode = new Asn1Node();
if (Asn1Util.IsAsn1EncodedHexStr(dataStr))
{
byte[] data = Asn1Util.HexStrToBytes(dataStr);
retval.LoadData(data);
}
}
return(retval);
}
public static bool IsHexStr(string hexStr)
{
byte[] bytes;
try
{
bytes = Asn1Util.HexStrToBytes(hexStr);
}
catch
{
return(false);
}
return(bytes != null && bytes.Length >= 0);
}
public static bool IsAsn1EncodedHexStr(string dataStr)
{
bool flag = false;
try
{
byte[] bytes = Asn1Util.HexStrToBytes(dataStr);
if (bytes.Length > 0)
{
flag = new Asn1Node().LoadData(bytes);
}
}
catch
{
flag = false;
}
return(flag);
}
