public void SetData(FormatId id, object data, int lindex = -1)
{
if (!store.TryGetValue(id, out var dic) || dic == null)
{
store[id] = new Dictionary <int, object>();
}
store[id][lindex] = data;
}
public Stream GetStream(FormatId id, int lindex = -1)
{
var f = id.FormatEtc;
f.lindex = lindex;
DataObject.GetData(ref f, out var s);
return(s.GetManagedStream());
}
public T GetData <T>(FormatId id, int lindex = -1)
{
if (store.TryGetValue(id, out var dict) && dict.TryGetValue(lindex, out var obj))
{
return((T)obj);
}
throw new KeyNotFoundException();
}
private Stream GetUnmanagedStream(FormatId id, int lindex = -1)
{
var f = id.FormatEtc;
f.lindex = lindex;
DataObject.GetData(ref f, out var s);
return(s.GetUnmanagedStream(true));
}
public bool GetStream(FormatId id, out Stream result, int lindex = -1)
{
if (GetDataPresent(id))
{
result = GetStream(id, lindex);
return(true);
}
result = null;
return(false);
}
public bool GetString(FormatId id, NativeStringType native, out string result)
{
if (GetDataPresent(id))
{
result = GetString(id, native);
return(true);
}
result = null;
return(false);
}
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 DataObjectFormat(FORMATETC f, int?cannonical = null, bool notDataObject = false)
{
FormatId = new FormatId(f.cfFormat);
if (notDataObject)
{
NotDataObject = true;
return;
}
DvAspect = f.dwAspect;
PtdNull = f.ptd;
LIndex = f.lindex;
Tymed = f.tymed;
Canonical = cannonical; // man.GetCanonicalFormatEtc(f.cfFormat).cfFormat;
}
public string GetString(FormatId id)
{
if (id == FormatId.CF_TEXT || id == FormatId.Rtf || id == FormatId.CF_OEMTEXT ||
id == FormatId.CommaSeparatedValue)
{
return(GetString(id, NativeStringType.Ansi));
}
if (id == FormatId.Html || id == FormatId.Xaml)
{
return(GetString(id, NativeStringType.Utf8));
}
if (id == FormatId.CF_UNICODETEXT || id == FormatId.ApplicationTrust)
{
return(GetString(id, NativeStringType.Unicode));
}
throw new ArgumentException(nameof(id));
}
public bool TryGetData <T>(FormatId id, out T data, int lindex = -1)
{
if (store.TryGetValue(id, out var dict))
{
if (dict.TryGetValue(lindex, out var obj))
{
if (obj is T d)
{
data = d;
return(true);
}
}
}
data = default;
return(false);
}
void IComDataObject.GetDataHere(ref FORMATETC format, ref STGMEDIUM medium)
{
var id = new FormatId(format.cfFormat);
if (!TryGetData(id, out object val, format.lindex))
{
//Marshal.ThrowExceptionForHR(unchecked((int)0x80040064));
HRESULT.E_FAIL.ThrowIfFailed();
}
var ptr = medium.unionmember;
if (id == FormatId.CF_HDROP && val is string[] files)
{
SaveHdropToHandle(ref ptr, files);
medium.unionmember = ptr;
return;
}
if (id == FormatId.CF_BITMAP && val is Bitmap bmp)
{
medium.unionmember = GetCompatibleBitmap(bmp).DangerousGetHandle();
return;
}
(val switch
{
string s when(id == FormatId.CF_TEXT || id == FormatId.Rtf || id == FormatId.CF_OEMTEXT ||
id == FormatId.CommaSeparatedValue || id == FormatId.CFSTR_INETURLA)
=> SaveStringToHandle(ref ptr, s, NativeStringType.Ansi),
string s when id == FormatId.Html || id == FormatId.Xaml
=> SaveStringToHandle(ref ptr, s, NativeStringType.Utf8),
string s when(id == FormatId.CF_UNICODETEXT || id == FormatId.ApplicationTrust ||
id == FormatId.CFSTR_INETURLW)
=> SaveStringToHandle(ref ptr, s, NativeStringType.Unicode),
Memory <byte> m => SaveSpanToHandle(ref ptr, m.Span),
byte[] b => SaveSpanToHandle(ref ptr, b.AsSpan()),
Stream s => SaveStreamToHandle(ref ptr, s),
_ => throw new ApplicationException()
}).ThrowIfFailed();
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 object GetData(FormatId id)
{
if (id == FormatId.CF_TEXT || id == FormatId.Rtf || id == FormatId.CF_OEMTEXT ||
id == FormatId.CommaSeparatedValue || id == FormatId.Html || id == FormatId.Xaml ||
id == FormatId.CF_UNICODETEXT || id == FormatId.ApplicationTrust)
{
return(GetString(id));
}
if (id == FormatId.CF_HDROP)
{
return(GetFileDropList());
}
if (id == FormatId.CFSTR_FILENAMEW)
{
return new[] { GetString(FormatId.CFSTR_FILENAMEW) }
}
;
if (id == FormatId.CFSTR_FILENAMEA)
{
return new[] { GetString(FormatId.CFSTR_FILENAMEA) }
}
;
if (id == FormatId.CF_BITMAP)
{
return(GetBitmap());
}
if (id == FormatId.CF_ENHMETAFILE)
{
return(GetEnhancedMetafile());
}
if (id == FormatId.CF_METAFILEPICT)
{
return(GetMetafile());
}
return(GetStream(id));
}
public bool GetDataPresent(FormatId id, int lindex = -1)
{
return(store.ContainsKey(id) && (store[id]?.ContainsKey(lindex) ?? false));
}
public bool GetDataPresent(FormatId format)
{
return(GetDataPresent(format.Id));
}
public T GetData <T>(int lindex = -1)
{
return(GetData <T>(FormatId.FromName(typeof(T).FullName), lindex));
}
public object GetData(string format, bool autoConvert)
{
return(GetData(FormatId.FromName(format)));
}
public void SetData <T>(T data, int lindex = -1)
{
SetData(FormatId.FromName(typeof(T).FullName), data);
}
bool IDataObject.GetDataPresent(string format, bool autoConvert) => GetDataPresent(FormatId.FromName(format));
void IDataObject.SetData(string format, bool autoConvert, object data) => SetData(FormatId.FromName(format), data);
object IDataObject.GetData(Type format) => GetData <object>(FormatId.FromName(format.FullName));
object IDataObject.GetData(string format) => GetData <object>(FormatId.FromName(format));
object IDataObject.GetData(string format, bool autoConvert) => GetData <object>(FormatId.FromName("format"));
public static FORMATETC GetFormatEtc(FormatId id, int lindex = -1,
DVASPECT dwAspect = DVASPECT.DVASPECT_CONTENT)
{
return(GetFormatEtc((short)id.Id, lindex, dwAspect));
}
public virtual FORMATETC GetCanonicalFormatEtc(FormatId format)
{
return(GetCanonicalFormatEtc(format.Id));
}
