int OleInterop.IDataObject.QueryGetData(OleInterop.FORMATETC[] pFormatetc)
{
if (null != oleData)
{
return(oleData.QueryGetData(pFormatetc));
}
if ((null == pFormatetc) || (1 != pFormatetc.Length))
{
throw new ArgumentException();
}
BclComTypes.FORMATETC bclFormat = StructConverter.OleFormatETC2Bcl(ref pFormatetc[0]);
return(bclData.QueryGetData(ref bclFormat));
}
public static object GetDropDescription(this System.Runtime.InteropServices.ComTypes.IDataObject dataObject)
{
FORMATETC formatETC;
FillFormatETC(DropDescriptionFormat, TYMED.TYMED_HGLOBAL, out formatETC);
if (0 == dataObject.QueryGetData(ref formatETC))
{
STGMEDIUM medium;
dataObject.GetData(ref formatETC, out medium);
try
{
return((DataObject.DropDescription)Marshal.PtrToStructure(medium.unionmember, typeof(BExplorer.Shell.DataObject.DropDescription)));
}
catch (AccessViolationException)
{
}
finally
{
ReleaseStgMedium(ref medium);
}
}
return(null);
}
private object GetDataFromOleHGLOBAL(string format, DVASPECT aspect)
{
FORMATETC formatEtc = new FORMATETC();
formatEtc.cfFormat = ClipboardFormats.GetFormat(format);
formatEtc.dwAspect = aspect;
formatEtc.lindex = -1;
formatEtc.tymed = TYMED.TYMED_HGLOBAL;
if (_wrapped.QueryGetData(ref formatEtc) == 0)
{
_wrapped.GetData(ref formatEtc, out STGMEDIUM medium);
try
{
if (medium.unionmember != IntPtr.Zero && medium.tymed == TYMED.TYMED_HGLOBAL)
{
if (format == DataFormats.Text)
{
return(ReadStringFromHGlobal(medium.unionmember));
}
if (format == DataFormats.FileNames)
{
return(ReadFileNamesFromHGlobal(medium.unionmember));
}
byte[] data = ReadBytesFromHGlobal(medium.unionmember);
if (IsSerializedObject(data))
{
using (var ms = new MemoryStream(data))
{
ms.Position = DataObject.SerializedObjectGUID.Length;
BinaryFormatter binaryFormatter = new BinaryFormatter();
return(binaryFormatter.Deserialize(ms));
}
}
return(data);
}
}
finally
{
UnmanagedMethods.ReleaseStgMedium(ref medium);
}
}
return(null);
}
public int DragEnter(System.Runtime.InteropServices.ComTypes.IDataObject pDataObj, int grfKeyState, BandObjectLib.POINT pt, ref DragDropEffects pdwEffect)
{
try {
if (this.DragFileEnter != null)
{
FORMATETC format = new FORMATETC();
format.cfFormat = 15;
format.ptd = IntPtr.Zero;
format.dwAspect = DVASPECT.DVASPECT_CONTENT;
format.lindex = -1;
format.tymed = TYMED.TYMED_HGLOBAL;
if (pDataObj.QueryGetData(ref format) >= 0)
{
STGMEDIUM medium = new STGMEDIUM();
try {
try {
pDataObj.GetData(ref format, out medium);
pdwEffect = this.DragFileEnter(medium.unionmember, pt, grfKeyState);
}
catch {
pdwEffect = DragDropEffects.None;
}
goto Label_00A0;
}
finally {
PInvoke.ReleaseStgMedium(ref medium);
}
}
pdwEffect = DragDropEffects.None;
}
else
{
pdwEffect = DragDropEffects.Copy;
}
}
finally {
if (pDataObj != null)
{
Marshal.FinalReleaseComObject(pDataObj);
}
}
Label_00A0:
return(0);
}
public static List <byte[][]> GetPidls(System.Runtime.InteropServices.ComTypes.IDataObject pDataObj)
{
List <byte[][]> lsRet = new List <byte[][]>();
try
{
STGMEDIUM medium;
System.Runtime.InteropServices.ComTypes.FORMATETC formatShell = new System.Runtime.InteropServices.ComTypes.FORMATETC()
{
cfFormat = (Int16)DataFormats.GetFormat(NativeMethods.CFSTR_SHELLIDLIST).Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
tymed = TYMED.TYMED_HGLOBAL
};
System.Runtime.InteropServices.ComTypes.FORMATETC format = new System.Runtime.InteropServices.ComTypes.FORMATETC()
{
cfFormat = (Int16)DataFormats.GetFormat(NativeMethods.CF_HDROP).Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
tymed = TYMED.TYMED_HGLOBAL
};
int ret = pDataObj.QueryGetData(ref format);
if (ret > 0)
{
pDataObj.GetData(ref formatShell, out medium);
IntPtr ptr;
ptr = medium.unionmember;
IntPtr ptrLock = NativeMethods.GlobalLock(ptr);
lsRet = ProcessCIDA_Pidl(ptr);
NativeMethods.GlobalUnlock(ptrLock);
}
}
catch (Exception)
{
}
return(lsRet);
}
private int QueryGetDataInner(ref FORMATETC format)
{
var hr = Consts.S_FALSE;
SecurityHelper.DemandUnmanagedCode();
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert(); // BlessedAssert
try
{
hr = _oleDataObject.QueryGetData(ref format);
}
catch (Exception exception)
{
Logger.Instance.Error(exception);
}
finally
{
CodeAccessPermission.RevertAssert();
}
return(hr);
}
public static bool TryGetData <T>(this IDataObject dataObject, string format, out T data) where T : struct
{
var formatEtc = CreateFormatEtc(format, TYMED.TYMED_HGLOBAL);
if (NativeUtils.Failed(dataObject.QueryGetData(ref formatEtc)))
{
data = default(T);
return(false);
}
dataObject.GetData(ref formatEtc, out var medium);
try
{
data = Marshal.PtrToStructure <T>(medium.unionmember);
return(true);
}
finally
{
NativeMethods.Ole32.ReleaseStgMedium(ref medium);
}
}
private int QueryGetDataUnsafe(ref FORMATETC formatetc)
{
return(_innerData.QueryGetData(ref formatetc));
}
public int DragEnter(IDataObject pDataObj, int grfKeyState, Point pt, ref DragDropEffects pdwEffect)
{
try {
if(DragFileEnter != null) {
FORMATETC format = new FORMATETC();
format.cfFormat = 15;
format.ptd = IntPtr.Zero;
format.dwAspect = DVASPECT.DVASPECT_CONTENT;
format.lindex = -1;
format.tymed = TYMED.TYMED_HGLOBAL;
if(pDataObj.QueryGetData(ref format) >= 0) {
STGMEDIUM medium = new STGMEDIUM();
try {
try {
pDataObj.GetData(ref format, out medium);
pdwEffect = DragFileEnter(medium.unionmember, pt, grfKeyState);
}
catch {
pdwEffect = DragDropEffects.None;
}
goto Label_00A0;
}
finally {
PInvoke.ReleaseStgMedium(ref medium);
}
}
pdwEffect = DragDropEffects.None;
}
else {
pdwEffect = DragDropEffects.Copy;
}
}
finally {
if(pDataObj != null) {
Marshal.FinalReleaseComObject(pDataObj);
}
}
Label_00A0:
return 0;
}
public static List <string> GetFiles(System.Runtime.InteropServices.ComTypes.IDataObject pDataObj)
{
System.Runtime.InteropServices.ComTypes.FORMATETC formatV = new System.Runtime.InteropServices.ComTypes.FORMATETC()
{
cfFormat = (Int16)DataFormats.GetFormat(NativeMethods.CFSTR_FILEDESCRIPTORW).Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
tymed = TYMED.TYMED_HGLOBAL
};
System.Runtime.InteropServices.ComTypes.FORMATETC formatShell = new System.Runtime.InteropServices.ComTypes.FORMATETC()
{
cfFormat = (Int16)DataFormats.GetFormat(NativeMethods.CFSTR_SHELLIDLIST).Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
tymed = TYMED.TYMED_HGLOBAL
};
System.Runtime.InteropServices.ComTypes.FORMATETC format = new System.Runtime.InteropServices.ComTypes.FORMATETC()
{
cfFormat = (Int16)DataFormats.GetFormat(NativeMethods.CF_HDROP).Id,
dwAspect = DVASPECT.DVASPECT_CONTENT,
tymed = TYMED.TYMED_HGLOBAL
};
STGMEDIUM medium;
bool bVirtualData = true;
bool bVirtualShell = false;
try
{
pDataObj.GetData(ref formatV, out medium);
}
catch (Exception)
{
if (pDataObj is System.Windows.Forms.DataObject)
{
List <string> files1 = new List <string>();
//medium = new STGMEDIUM();
System.Windows.Forms.DataObject dob = (System.Windows.Forms.DataObject)pDataObj;
StringCollection z = (StringCollection)dob.GetData(typeof(StringCollection));
foreach (string s in z)
{
files1.Add(s);
}
/*
* if (dob.ContainsFileDropList())
* {
* StringCollection c = dob.GetFileDropList();
* foreach (string s in c)
* {
* files1.Add(s);
* }
* }
* else
* {
* string objFormat = dob.GetFormats().FirstOrDefault(x => x.Equals("FileDrop"));
* if (!string.IsNullOrEmpty(objFormat))
* {
* object obj = dob.GetData("FileDrop");
* if (obj is string)
* files1.Add((string)obj);
* }
* }
*/
return(files1);
}
else
{
int ret = pDataObj.QueryGetData(ref format);
if (ret > 0)
{
bVirtualShell = true;
Debug.WriteLine("!!!!SPECIAL FOLDER!!!!");
pDataObj.GetData(ref formatShell, out medium);
}
else
{
try
{
pDataObj.GetData(ref format, out medium);
}
catch (Exception)
{
bVirtualShell = true;
Debug.WriteLine("!!!!SPECIAL FOLDER!!!!");
pDataObj.GetData(ref formatShell, out medium);
}
}
/*
* if (ret != 0)
* {
* Debug.WriteLine("------- GET FORMATS -------");
* IEnumFORMATETC en = pDataObj.EnumFormatEtc(DATADIR.DATADIR_GET);
* System.Runtime.InteropServices.ComTypes.FORMATETC[] fc = new System.Runtime.InteropServices.ComTypes.FORMATETC[10];
* int[] fetched = new int[10];
* int ret1 = en.Next(10, fc, fetched);
* for (int i = 0; i < fetched[0]; i++)
* {
* DataFormats.Format f = DataFormats.GetFormat(fc[i].cfFormat);
*
* string sn = f.Name;
* Debug.WriteLine("FORMAT: " + sn);
* }
* Debug.WriteLine("---------------------------");
*
* pDataObj.GetData(ref formatShell, out medium);
* IntPtr ptr1;
* ptr1 = medium.unionmember;
* IntPtr ptrLock = NativeMethods.GlobalLock(ptr1);
*
*
* List<IntPtr> lsUnk = ProcessCIDA(ptrLock);
* foreach (IntPtr intPtr in lsUnk)
* {
* foreach (Environment.SpecialFolder suit in Enum.GetValues(typeof(Environment.SpecialFolder)))
* {
* var desktopPIDL = IntPtr.Zero;
* int r = Shell32.SHGetSpecialFolderLocation(IntPtr.Zero, (int)suit, ref desktopPIDL);
*
* string spath = Environment.GetFolderPath(suit);
*
*
* string s1 = PidlManager.GetPidlDisplayName(desktopPIDL);
* string s2 = PidlManager.GetPidlDisplayName(intPtr);
*
* bool be = Shell32.ILIsEqual(intPtr, desktopPIDL);
* if (be || s1.Equals(s2))
* {
* ItemIdList iptm = ItemIdList.Create(desktopPIDL);
* byte[][] b = iptm.GetItemData();
* string s = "finded!!!:" + suit;
*
* ItemIdList iptm1 = ItemIdList.Create(intPtr);
* byte[][] b1 = iptm1.GetItemData();
* }
* }
*
* Shell32.ILFree(intPtr);
* }
*
* IntPtr ptrUnLock = NativeMethods.GlobalUnlock(ptrLock);
*
* }
* else
* {
* pDataObj.GetData(ref format, out medium);
* }
*/
}
bVirtualData = false;
}
IntPtr ptr;
ptr = medium.unionmember;
List <string> files = new List <string>();
if (bVirtualData)
{
GetVirtualFileNamesFromDataObject(ptr, ref files);
}
else
{
if (!bVirtualShell)
{
GetFileNamesFromDataObject(ptr, ref files);
}
else
{
GetSystemVirtualFileNamesFromDataObject(ptr, ref files);
}
}
NativeMethods.ReleaseStgMedium(ref medium);
return(files);
}