internal EnumFORMATETC(BclComTypes.IEnumFORMATETC bclEnum)
{
if (null == bclEnum)
{
throw new ArgumentNullException("System.Runtime.InteropServices.ComTypes.IEnumFORMATETC");
}
this.oleEnum = bclEnum as OleInterop.IEnumFORMATETC;
this.bclEnum = bclEnum;
}
internal EnumFORMATETC(OleInterop.IEnumFORMATETC oleEnum)
{
if (null == oleEnum)
{
throw new ArgumentNullException("Microsoft.VisualStudio.OLE.Interop.IEnumFORMATETC");
}
this.oleEnum = oleEnum;
this.bclEnum = oleEnum as BclComTypes.IEnumFORMATETC;
}
void BclComTypes.IEnumFORMATETC.Clone(out BclComTypes.IEnumFORMATETC newEnum)
{
newEnum = null;
if (null != bclEnum)
{
bclEnum.Clone(out newEnum);
}
else
{
OleInterop.IEnumFORMATETC oleCloned;
oleEnum.Clone(out oleCloned);
newEnum = oleCloned as BclComTypes.IEnumFORMATETC;
if (null == newEnum)
{
newEnum = (BclComTypes.IEnumFORMATETC)(new EnumFORMATETC(oleCloned));
}
}
}
BclComTypes.IEnumFORMATETC BclComTypes.IDataObject.EnumFormatEtc(BclComTypes.DATADIR direction)
{
if (bclData != null)
{
return(bclData.EnumFormatEtc(direction));
}
OleInterop.IEnumFORMATETC oleEnum;
NativeMethods.ThrowOnFailure(oleData.EnumFormatEtc((uint)direction, out oleEnum));
if (null == oleEnum)
{
return(null);
}
BclComTypes.IEnumFORMATETC bclEnum = oleEnum as BclComTypes.IEnumFORMATETC;
if (null == bclEnum)
{
bclEnum = (BclComTypes.IEnumFORMATETC)(new EnumFORMATETC(oleEnum));
}
return(bclEnum);
}
int OleInterop.IDataObject.EnumFormatEtc(uint dwDirection, out OleInterop.IEnumFORMATETC ppenumFormatEtc)
{
if (null != oleData)
{
return(oleData.EnumFormatEtc(dwDirection, out ppenumFormatEtc));
}
BclComTypes.IEnumFORMATETC bclEnum = bclData.EnumFormatEtc((BclComTypes.DATADIR)dwDirection);
if (null == bclEnum)
{
ppenumFormatEtc = null;
}
else
{
ppenumFormatEtc = bclEnum as OleInterop.IEnumFORMATETC;
if (null == ppenumFormatEtc)
{
ppenumFormatEtc = (OleInterop.IEnumFORMATETC)(new EnumFORMATETC(bclEnum));
}
}
return(NativeMethods.S_OK);
}
long MsHtmHstInterop.IDropTarget.Drop(
[In] System.Runtime.InteropServices.ComTypes.IDataObject pDataObject,
[In] int grfKeyState,
[In] POINTL pt,
[In, Out] ref uint pdwEffect
)
{
System.Runtime.InteropServices.ComTypes.IEnumFORMATETC pEnum = (System.Runtime.InteropServices.ComTypes.IEnumFORMATETC)pDataObject.EnumFormatEtc(DATADIR.DATADIR_GET);
pEnum.Reset();
FORMATETC[] etcs = new FORMATETC[1];
int[] pceltFetched = new int[1];
while (pEnum.Next(1, etcs, pceltFetched) == 0)
{
if (etcs[0].cfFormat == 15)
{
STGMEDIUM data;
pDataObject.GetData(ref etcs[0], out data);
if (data.tymed == TYMED.TYMED_HGLOBAL)
{
string[] items = null;
IntPtr pData = GlobalLock(data.unionmember);
try
{
int size = (int)GlobalSize(data.unionmember);
int len = 0;
unsafe
{
Int32 *pOffset = (Int32 *)pData;
Int16 *pFileNames = (Int16 *)((Int32)pData + (*pOffset));
size -= *pOffset;
while (true)
{
if (len >= size || (pFileNames[len] == 0 && pFileNames[len + 1] == 0))
{
break;
}
len += 2;
}
String s = Marshal.PtrToStringUni((IntPtr)pFileNames, len);
items = s.Split(new char[] { (char)0 });
}
}
finally
{
GlobalUnlock(data.unionmember);
}
StringBuilder files = new StringBuilder();
foreach (string file in items)
{
if (System.IO.File.Exists(file))
{
if (files.Length > 0)
{
files.Append('\0');
}
files.Append(file);
}
}
if (files.Length > 0)
{
_window.IWindow.OnDropFiles.Call(files.ToString());
return(S_OK);
}
}
}
else if (etcs[0].cfFormat == 13)
{
STGMEDIUM data;
pDataObject.GetData(ref etcs[0], out data);
String text = null;
if (data.tymed == TYMED.TYMED_HGLOBAL)
{
IntPtr hData = GlobalLock(data.unionmember);
try
{
int size = (int)GlobalSize(data.unionmember);
text = Marshal.PtrToStringUni(hData);
}
finally
{
GlobalUnlock(data.unionmember);
}
}
Hashtable data_json = null;
try
{
data_json = Utility.ParseJson(text) as Hashtable;
}
catch
{
data_json = null;
}
if (data_json != null && data_json.ContainsKey("__Type") && data_json.ContainsKey("__Data"))
{
string drop_type = data_json["__Type"].ToString();
string drop_data = data_json["__Data"].ToString();
_window.IWindow.OnDrop.CallAll(drop_type, drop_data);
return(S_OK);
}
}
}
if (m_pPreDropTarget != null)
{
m_pPreDropTarget.Drop(pDataObject, grfKeyState, pt, ref pdwEffect);
}
return(S_OK);
}
internal EnumFORMATETC(BclComTypes.IEnumFORMATETC bclEnum)
{
if (null == bclEnum)
throw new ArgumentNullException("System.Runtime.InteropServices.ComTypes.IEnumFORMATETC");
this.oleEnum = bclEnum as OleInterop.IEnumFORMATETC;
this.bclEnum = bclEnum;
}
internal EnumFORMATETC(OleInterop.IEnumFORMATETC oleEnum)
{
if (null == oleEnum)
throw new ArgumentNullException("Microsoft.VisualStudio.OLE.Interop.IEnumFORMATETC");
this.oleEnum = oleEnum;
this.bclEnum = oleEnum as BclComTypes.IEnumFORMATETC;
}
