public List <PIDL> GetCida()
{
var f = FormatId.CFSTR_SHELLIDLIST.FormatEtc;
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
return(s.InvokeHGlobal <uint, List <PIDL> >(x =>
{
var l = new List <PIDL>();
unsafe
{
fixed(void *ptr = x)
{
for (var i = 0; i < x[0] + 1; i++)
{
l.Add(new PIDL((IntPtr)((byte *)ptr + x[i + 1]), true));
}
}
}
return l;
}));
}
finally
{
s.Dispose();
}
}
public string[] GetFileDropList()
{
var f = FormatId.CF_HDROP.FormatEtc;
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
return(s.GetFiles());
}
finally
{
s.Dispose();
}
}
public string GetString(FormatId id, NativeStringType type)
{
var f = DataObjectUtils.GetFormatEtc(id);
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
return(s.GetString(type));
}
finally
{
s.Dispose();
}
}
public TResult ReadHGlobal <TResult>(FormatId id) where TResult : unmanaged
{
STGMEDIUM s = default;
var f = id.FormatEtc;
try
{
DataObject.GetData(ref f, out s);
return(s.ReadHGlobal <TResult>());
}
finally
{
s.Dispose();
}
}
public Image GetBitmap()
{
var f = FormatId.CF_BITMAP.FormatEtc;
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
if (s.tymed != TYMED.TYMED_GDI)
{
throw new ApplicationException("Invalid Tymed");
}
using var bmp = Image.FromHbitmap(s.unionmember);
var ret = (Image)bmp.Clone();
return(ret);
}
finally
{
s.Dispose();
}
}
public Image GetBitmap(FormatId id)
{
if (id == FormatId.CF_BITMAP)
{
return(GetBitmap());
}
var f = id.FormatEtc;
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
using var st = s.GetUnmanagedStream(true);
using var bmp = Image.FromStream(st);
var ret = (Image)bmp.Clone();
return(ret);
}
finally
{
s.Dispose();
}
}
public (List <PIDL>, PIDL) GetShellIdList()
{
var f = FormatId.CFSTR_SHELLIDLIST.FormatEtc;
STGMEDIUM s = default;
try
{
DataObject.GetData(ref f, out s);
return(s.InvokeHGlobal <uint, (List <PIDL>, PIDL)>(x =>
{
var l = new List <PIDL>();
PIDL?parent = null;
unsafe
{
fixed(void *ptr = x)
{
parent = new PIDL((IntPtr)((byte *)ptr + x[1]), true, true);
for (var i = 1; i < x[0] + 1; i++)
{
// DO NOT release memory of child
var child = new PIDL((IntPtr)((byte *)ptr + x[i + 1]), false, false);
var p = new PIDL(parent);
p.Append(child);
l.Add(p);
}
}
}
return (l, parent);
}));
}
finally
{
s.Dispose();
}
}
