public static DragDropEffects DoDragDrop(List <string> lstPaths, Control control, bool fSameDirecotry)
{
DragDropEffects none;
if ((lstPaths == null) || (lstPaths.Count == 0))
{
return(DragDropEffects.None);
}
IShellFolder ppv = null;
object obj2 = null;
List <IntPtr> list = new List <IntPtr>();
try {
IntPtr[] ptrArray;
if (fSameDirecotry)
{
IntPtr ptr2;
IntPtr item = PInvoke.ILCreateFromPath(lstPaths[0]);
list.Add(item);
if ((PInvoke.SHBindToParent(item, ExplorerGUIDs.IID_IShellFolder, out ppv, out ptr2) != 0) || (ppv == null))
{
return(DragDropEffects.None);
}
List <IntPtr> list2 = new List <IntPtr>();
if (ptr2 != IntPtr.Zero)
{
list2.Add(ptr2);
}
for (int i = 1; i < lstPaths.Count; i++)
{
IntPtr ptr3 = PInvoke.ILCreateFromPath(lstPaths[i]);
if (ptr3 != IntPtr.Zero)
{
list.Add(ptr3);
IntPtr ptr4 = PInvoke.ILFindLastID(ptr3);
if (ptr4 != IntPtr.Zero)
{
list2.Add(ptr4);
}
}
}
if (list2.Count == 0)
{
return(DragDropEffects.None);
}
ptrArray = list2.ToArray();
}
else
{
list.AddRange(lstPaths.Select(PInvoke.ILCreateFromPath).Where(ptr5 => ptr5 != IntPtr.Zero));
PInvoke.SHGetDesktopFolder(out ppv);
if ((list.Count == 0) || (ppv == null))
{
return(DragDropEffects.None);
}
ptrArray = list.ToArray();
}
uint rgfReserved = 0;
Guid riid = ExplorerGUIDs.IID_IDataObject;
ppv.GetUIObjectOf(IntPtr.Zero, (uint)ptrArray.Length, ptrArray, ref riid, ref rgfReserved, out obj2);
if (obj2 != null)
{
return(control.DoDragDrop(obj2, DragDropEffects.Link | DragDropEffects.Move | DragDropEffects.Copy));
}
none = DragDropEffects.None;
}
finally {
if (obj2 != null)
{
Marshal.ReleaseComObject(obj2);
}
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
foreach (IntPtr ptr6 in list)
{
if (ptr6 != IntPtr.Zero)
{
PInvoke.CoTaskMemFree(ptr6);
}
}
}
return(none);
}
public int DragDrop(IDataObject pDataObj, int grfKeyState, Point pt, ref DragDropEffects pdwEffect)
{
try {
if (DragFileOver != null)
{
DragEventArgs e = new DragEventArgs(null, grfKeyState, pt.X, pt.Y, DragDropEffects.Move | DragDropEffects.Copy | DragDropEffects.Scroll, pdwEffect);
DragFileOver(null, e);
pdwEffect = e.Effect;
}
else
{
pdwEffect = DragDropEffects.Copy;
}
if (pdwEffect != DragDropEffects.None)
{
if (DragFileDrop != null)
{
IntPtr ptr;
byte[] buffer;
switch (DragFileDrop(out ptr, out buffer))
{
case -1:
return(0);
case 0: {
IShellFolder ppv = null;
object obj2 = null;
Guid riid = ExplorerGUIDs.IID_IShellFolder;
Guid guid2 = ExplorerGUIDs.IID_IDropTarget;
using (IDLWrapper wrapper = new IDLWrapper(buffer)) {
if (wrapper.Available && wrapper.IsDropTarget)
{
try {
IntPtr ptr2;
if (PInvoke.SHBindToParent(wrapper.PIDL, riid, out ppv, out ptr2) == 0)
{
uint rgfReserved = 0;
IntPtr[] apidl = new IntPtr[] { ptr2 };
if (ppv.GetUIObjectOf(ptr, 1, apidl, ref guid2, ref rgfReserved, out obj2) == 0)
{
_IDropTarget target = obj2 as _IDropTarget;
if (target != null)
{
DragDropEffects effects = pdwEffect;
if (target.DragEnter(pDataObj, iLastKeyState, pt, ref effects) == 0)
{
effects = pdwEffect;
if (target.DragOver(iLastKeyState, pt, ref effects) == 0)
{
if ((iLastKeyState & 2) != 0)
{
pdwEffect = DragDropEffects.Link | DragDropEffects.Move | DragDropEffects.Copy;
}
return(target.DragDrop(pDataObj, iLastKeyState, pt, ref pdwEffect));
}
}
}
}
}
}
catch {
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
if (obj2 != null)
{
Marshal.ReleaseComObject(obj2);
}
if (DragDropEnd != null)
{
DragDropEnd(this, EventArgs.Empty);
}
}
}
}
return(0);
}
}
}
FORMATETC format = new FORMATETC();
format.cfFormat = 15;
format.ptd = IntPtr.Zero;
format.dwAspect = DVASPECT.DVASPECT_CONTENT;
format.lindex = -1;
format.tymed = TYMED.TYMED_HGLOBAL;
STGMEDIUM medium = new STGMEDIUM();
try {
pDataObj.GetData(ref format, out medium);
PInvoke.SendMessage(hwnd, 0x233, medium.unionmember, IntPtr.Zero);
}
catch {
}
finally {
PInvoke.ReleaseStgMedium(ref medium);
}
}
}
finally {
if (pDataObj != null)
{
Marshal.FinalReleaseComObject(pDataObj);
}
}
return(0);
}
public static int PopUpSystemContextMenu(IDLWrapper idlw, Point pntShow, ref IContextMenu2 pIContextMenu2, IntPtr hwndParent, bool fCanRemove)
{
IShellFolder ppv = null;
int num5;
try {
IntPtr ptr;
if ((!idlw.Available || (PInvoke.SHBindToParent(idlw.PIDL, ExplorerGUIDs.IID_IShellFolder, out ppv, out ptr) != 0)) || (ppv == null))
{
return(-1);
}
IntPtr[] apidl = new IntPtr[] { ptr };
uint rgfReserved = 0;
Guid riid = ExplorerGUIDs.IID_IContextMenu;
object obj2 = null;
ppv.GetUIObjectOf(IntPtr.Zero, (uint)apidl.Length, apidl, ref riid, ref rgfReserved, out obj2);
if (pIContextMenu2 != null)
{
Marshal.ReleaseComObject(pIContextMenu2);
pIContextMenu2 = null;
}
pIContextMenu2 = obj2 as IContextMenu2;
if (pIContextMenu2 == null)
{
return(-2);
}
ContextMenu menu = new ContextMenu();
uint uFlags = 0;
if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift)
{
uFlags |= 0x100;
}
pIContextMenu2.QueryContextMenu(menu.Handle, 0, 1, 0xffff, uFlags);
if (fCanRemove)
{
PInvoke.AppendMenu(menu.Handle, 0x800, IntPtr.Zero, null);
PInvoke.AppendMenu(menu.Handle, 0, new IntPtr(0xffff), QTUtility.ResMain[0x19]);
}
if ((idlw.HasPath && (idlw.Path.Length > 3)) && (idlw.IsFileSystemFolder || idlw.IsFileSystemFile))
{
if (!fCanRemove)
{
PInvoke.AppendMenu(menu.Handle, 0x800, IntPtr.Zero, null);
}
PInvoke.AppendMenu(menu.Handle, 0, new IntPtr(0xfffe), QTUtility.ResMain[0x1a]);
}
uint num3 = PInvoke.TrackPopupMenu(menu.Handle, 0x100, pntShow.X, pntShow.Y, 0, hwndParent, IntPtr.Zero);
int num4 = -3;
switch (num3)
{
case 0:
num4 = 0xfffd;
break;
case 0xffff:
menu.Dispose();
return(0xffff);
case 0xfffe:
if (idlw.HasPath)
{
try {
string directoryName = Path.GetDirectoryName(idlw.Path);
if (Directory.Exists(directoryName))
{
IntPtr currentHandle = QTUtility.instanceManager.CurrentHandle;
if (PInvoke.IsWindow(currentHandle))
{
QTUtility2.SendCOPYDATASTRUCT(currentHandle, (IntPtr)0x10, directoryName, IntPtr.Zero);
num4 = 0xfffe;
}
else
{
Process.Start(directoryName);
num4 = -4;
}
}
}
catch {
SystemSounds.Asterisk.Play();
}
}
break;
default: {
CMINVOKECOMMANDINFO structure = new CMINVOKECOMMANDINFO();
structure.cbSize = Marshal.SizeOf(structure);
structure.fMask = 0;
structure.hwnd = hwndParent;
structure.lpVerb = (IntPtr)((num3 - 1) & 0xffff);
structure.lpParameters = IntPtr.Zero;
structure.lpDirectory = IntPtr.Zero;
structure.nShow = 1;
structure.dwHotKey = 0;
structure.hIcon = IntPtr.Zero;
num4 = pIContextMenu2.InvokeCommand(ref structure);
break;
}
}
menu.Dispose();
num5 = num4;
}
catch {
num5 = -1;
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
ppv = null;
}
}
return(num5);
}
public DropTargetWrapper(Control ctrl)
{
hwnd = ctrl.Handle;
PInvoke.RegisterDragDrop(hwnd, this);
}
public static int PopUpSystemContextMenu(List <string> lstPaths, Point pntShow, ref IContextMenu2 pIContextMenu2, IntPtr hwndParent)
{
IShellFolder ppv = null;
List <IntPtr> list = new List <IntPtr>();
try {
IntPtr ptr;
List <IntPtr> list2 = new List <IntPtr>();
foreach (string str in lstPaths)
{
IntPtr item = PInvoke.ILCreateFromPath(str);
if (item != IntPtr.Zero)
{
list.Add(item);
list2.Add(PInvoke.ILFindLastID(item));
}
}
if ((list.Count == 0) || (PInvoke.SHBindToParent(list[0], ExplorerGUIDs.IID_IShellFolder, out ppv, out ptr) != 0))
{
return(-1);
}
IntPtr[] apidl = list2.ToArray();
uint rgfReserved = 0;
Guid riid = ExplorerGUIDs.IID_IContextMenu;
object obj2 = null;
ppv.GetUIObjectOf(IntPtr.Zero, (uint)apidl.Length, apidl, ref riid, ref rgfReserved, out obj2);
if (pIContextMenu2 != null)
{
Marshal.ReleaseComObject(pIContextMenu2);
pIContextMenu2 = null;
}
pIContextMenu2 = obj2 as IContextMenu2;
if (pIContextMenu2 == null)
{
return(-1);
}
using (ContextMenu menu = new ContextMenu()) {
uint uFlags = 0;
if ((Control.ModifierKeys & Keys.Shift) == Keys.Shift)
{
uFlags |= 0x100;
}
pIContextMenu2.QueryContextMenu(menu.Handle, 0, 1, 0xffff, uFlags);
uint num3 = PInvoke.TrackPopupMenu(menu.Handle, 0x100, pntShow.X, pntShow.Y, 0, hwndParent, IntPtr.Zero);
if (num3 != 0)
{
CMINVOKECOMMANDINFO structure = new CMINVOKECOMMANDINFO();
structure.cbSize = Marshal.SizeOf(structure);
structure.fMask = 0;
structure.hwnd = hwndParent;
structure.lpVerb = (IntPtr)((num3 - 1) & 0xffff);
structure.lpParameters = IntPtr.Zero;
structure.lpDirectory = IntPtr.Zero;
structure.nShow = 1;
structure.dwHotKey = 0;
structure.hIcon = IntPtr.Zero;
pIContextMenu2.InvokeCommand(ref structure);
return(0);
}
}
}
catch {
}
finally {
if (ppv != null)
{
Marshal.ReleaseComObject(ppv);
}
foreach (IntPtr ptr3 in list)
{
if (ptr3 != IntPtr.Zero)
{
PInvoke.CoTaskMemFree(ptr3);
}
}
}
return(-1);
}
