public static Icon GetIcon(int index, bool small)
{
IntPtr iconPtr;
if (small)
{
iconPtr = NativeShellAPI.ImageList_GetIcon(smallImageListHandle, index, NativeShellAPI.ILD.NORMAL);
}
else
{
iconPtr = NativeShellAPI.ImageList_GetIcon(largeImageListHandle, index, NativeShellAPI.ILD.NORMAL);
}
if (iconPtr != IntPtr.Zero)
{
Icon icon = Icon.FromHandle(iconPtr);
Icon retVal = (Icon)icon.Clone();
NativeShellAPI.DestroyIcon(iconPtr);
return(retVal);
}
else
{
return(null);
}
}
public static void Write(IntPtr pidl)
{
StringBuilder path = new StringBuilder(256);
NativeShellAPI.SHGetPathFromIDList(pidl, path);
Console.Out.WriteLine("Pidl: {0}", path);
}
private void InitVars()
{
IntPtr tempPidl;
NativeShellAPI.SHFILEINFO info;
//My Computer
info = new NativeShellAPI.SHFILEINFO();
tempPidl = IntPtr.Zero;
NativeShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, NativeShellAPI.CSIDL.DRIVES, out tempPidl);
NativeShellAPI.SHGetFileInfo(tempPidl, 0, ref info, NativeShellAPI.cbFileInfo,
NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.DISPLAYNAME | NativeShellAPI.SHGFI.TYPENAME);
sysfolderName = info.szTypeName;
mycompName = info.szDisplayName;
Marshal.FreeCoTaskMem(tempPidl);
//
//Dekstop
tempPidl = IntPtr.Zero;
NativeShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, NativeShellAPI.CSIDL.DESKTOP, out tempPidl);
IntPtr desktopFolderPtr;
NativeShellAPI.SHGetDesktopFolder(out desktopFolderPtr);
desktopItem = new ShellItem(this, tempPidl, desktopFolderPtr);
//
//My Documents
uint pchEaten = 0;
NativeShellAPI.SFGAO pdwAttributes = 0;
desktopItem.ShellFolder.ParseDisplayName(
IntPtr.Zero,
IntPtr.Zero,
"::{450d8fba-ad25-11d0-98a8-0800361b1103}",
ref pchEaten,
out tempPidl,
ref pdwAttributes);
info = new NativeShellAPI.SHFILEINFO();
NativeShellAPI.SHGetFileInfo(tempPidl, 0, ref info, NativeShellAPI.cbFileInfo,
NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.DISPLAYNAME);
mydocsName = info.szDisplayName;
Marshal.FreeCoTaskMem(tempPidl);
StringBuilder path = new StringBuilder(NativeShellAPI.MAX_PATH);
NativeShellAPI.SHGetFolderPath(
IntPtr.Zero, NativeShellAPI.CSIDL.PERSONAL,
IntPtr.Zero, NativeShellAPI.SHGFP.TYPE_CURRENT, path);
mydocsPath = path.ToString();
//
}
static ShellImageList()
{
imageTable = new Hashtable();
NativeShellAPI.SHGFI flag = NativeShellAPI.SHGFI.USEFILEATTRIBUTES | NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.SMALLICON;
NativeShellAPI.SHFILEINFO shfiSmall = new NativeShellAPI.SHFILEINFO();
smallImageListHandle = NativeShellAPI.SHGetFileInfo(".txt", NativeShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiSmall, NativeShellAPI.cbFileInfo, flag);
flag = NativeShellAPI.SHGFI.USEFILEATTRIBUTES | NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.LARGEICON;
NativeShellAPI.SHFILEINFO shfiLarge = new NativeShellAPI.SHFILEINFO();
largeImageListHandle = NativeShellAPI.SHGetFileInfo(".txt", NativeShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiLarge, NativeShellAPI.cbFileInfo, flag);
}
/// <summary>
/// Registers the TreeView for drag/drop operations and uses this class as the IDropTarget
/// </summary>
/// <param name="br">The browser for which to support the drop</param>
public BrowserTVDropWrapper(ShellBrowser br)
{
this.br = br;
treeViewHandle = br.FolderView.Handle;
NativeShellAPI.RegisterDragDrop(treeViewHandle, this);
br.FolderView.HandleCreated += new EventHandler(FolderView_HandleCreated);
br.FolderView.HandleDestroyed += new EventHandler(FolderView_HandleDestroyed);
ShellHelper.GetIDropTargetHelper(out dropHelperPtr, out dropHelper);
}
/// <summary>
/// The native window's original handle is released
/// and the handle of the TextBox is assigned to it.
/// </summary>
public ComboEditWindow(BrowserComboBox owner)
{
this.owner = owner;
NativeShellAPI.COMBOBOXINFO info = new NativeShellAPI.COMBOBOXINFO();
info.cbSize = Marshal.SizeOf(typeof(NativeShellAPI.COMBOBOXINFO));
NativeShellAPI.GetComboBoxInfo(owner.ComboBox.Handle, ref info);
if (!this.Handle.Equals(IntPtr.Zero))
{
this.ReleaseHandle();
}
this.AssignHandle(info.hwndEdit);
}
/// <summary>
/// Set the margin of the TextBox to make room for the icon
/// </summary>
/// <param name="margin">The margin to set</param>
private void SetMargin(int margin)
{
if (this.margin != margin)
{
this.margin = margin;
if (owner == null)
{
return;
}
NativeShellAPI.SendMessage(
this.Handle, NativeShellAPI.WM.SETMARGINS, LEFTMARGIN,
new IntPtr(margin));
}
}
/// <summary>
/// This method initialises the dragging of a TreeNode
/// </summary>
void ItemDrag(object sender, ItemDragEventArgs e)
{
ReleaseCom();
startButton = e.Button;
ShellItem item = (ShellItem)((TreeNode)e.Item).Tag;
dataObjectPtr = ShellHelper.GetIDataObject(new ShellItem[] { item });
if (dataObjectPtr != IntPtr.Zero)
{
DragDropEffects effects;
OnDragStart(new DragEnterEventArgs((item.ParentItem != null ? item.ParentItem : item), br.FolderView));
NativeShellAPI.DoDragDrop(dataObjectPtr, this, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move, out effects);
OnDragEnd(new EventArgs());
}
}
public ShellBrowserUpdater(ShellBrowserComponent br)
{
this.br = br;
CreateHandle(new CreateParams());
NativeShellAPI.SHChangeNotifyEntry entry = new NativeShellAPI.SHChangeNotifyEntry();
entry.pIdl = br.DesktopItem.PIDLRel.Ptr;
entry.Recursively = true;
notifyId = NativeShellAPI.SHChangeNotifyRegister(
this.Handle,
NativeShellAPI.SHCNRF.InterruptLevel | NativeShellAPI.SHCNRF.ShellLevel,
NativeShellAPI.SHCNE.ALLEVENTS | NativeShellAPI.SHCNE.INTERRUPT,
NativeShellAPI.WM.SH_NOTIFY,
1,
new NativeShellAPI.SHChangeNotifyEntry[] { entry });
}
public static bool GetIDropTargetHelper(out IntPtr helperPtr, out IDropTargetHelper dropHelper)
{
if (NativeShellAPI.CoCreateInstance(
ref NativeShellAPI.CLSID_DragDropHelper,
IntPtr.Zero,
NativeShellAPI.CLSCTX.INPROC_SERVER,
ref NativeShellAPI.IID_IDropTargetHelper,
out helperPtr) == NativeShellAPI.S_OK)
{
dropHelper =
(IDropTargetHelper)Marshal.GetTypedObjectForIUnknown(helperPtr, typeof(IDropTargetHelper));
return(true);
}
else
{
dropHelper = null;
helperPtr = IntPtr.Zero;
return(false);
}
}
public override bool Equals(object obj)
{
try
{
if (obj is IntPtr)
{
return(NativeShellAPI.ILIsEqual(this.Ptr, (IntPtr)obj));
}
if (obj is PIDL)
{
return(NativeShellAPI.ILIsEqual(this.Ptr, ((PIDL)obj).Ptr));
}
else
{
return(false);
}
}
catch (Exception)
{
return(false);
}
}
/// <summary>
/// This method initialises the dragging of a ListViewItem
/// </summary>
void ItemDrag(object sender, ItemDragEventArgs e)
{
ReleaseCom();
startButton = e.Button;
ShellItem[] items = new ShellItem[br.FileView.SelectedItems.Count];
for (int i = 0; i < br.FileView.SelectedItems.Count; i++)
{
items[i] = (ShellItem)br.FileView.SelectedItems[i].Tag;
}
dataObjectPtr = ShellHelper.GetIDataObject(items);
if (dataObjectPtr != IntPtr.Zero)
{
DragDropEffects effects;
OnDragStart(new DragEnterEventArgs((items[0].ParentItem != null ? items[0].ParentItem : items[0]), br.FileView));
NativeShellAPI.DoDragDrop(dataObjectPtr, this, DragDropEffects.Copy | DragDropEffects.Link | DragDropEffects.Move, out effects);
OnDragEnd(new EventArgs());
}
}
void FolderView_HandleDestroyed(object sender, EventArgs e)
{
NativeShellAPI.RevokeDragDrop(br.FolderView.Handle);
}
void FolderView_HandleCreated(object sender, EventArgs e)
{
treeViewHandle = br.FolderView.Handle;
NativeShellAPI.RegisterDragDrop(treeViewHandle, this);
}
internal static void SetSmallImageList(TreeView treeView)
{
NativeShellAPI.SendMessage(treeView.Handle, NativeShellAPI.WM.TVM_SETIMAGELIST, TVSIL_NORMAL, smallImageListHandle);
}
void FileView_HandleDestroyed(object sender, EventArgs e)
{
NativeShellAPI.RevokeDragDrop(listViewHandle);
}
void FileView_HandleCreated(object sender, EventArgs e)
{
listViewHandle = br.FileView.Handle;
NativeShellAPI.RegisterDragDrop(listViewHandle, this);
}
internal static void SetSmallImageList(ListView listView)
{
NativeShellAPI.SendMessage(listView.Handle, NativeShellAPI.WM.LVM_SETIMAGELIST, TVSIL_SMALL, smallImageListHandle);
}
internal static void SetLargeImageList(ListView listView)
{
NativeShellAPI.SendMessage(listView.Handle, NativeShellAPI.WM.LVM_SETIMAGELIST, TVSIL_NORMAL, largeImageListHandle);
}
internal static void SetIconIndex(ShellItem item, int index, bool SelectedIcon)
{
bool HasOverlay = false; //true if it's an overlay
int rVal = 0; //The returned Index
NativeShellAPI.SHGFI dwflag = NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.ICON;
NativeShellAPI.FILE_ATTRIBUTE dwAttr = 0;
//build Key into HashTable for this Item
int Key = index * 256;
if (item.IsLink)
{
Key = Key | 1;
dwflag = dwflag | NativeShellAPI.SHGFI.LINKOVERLAY;
HasOverlay = true;
}
if (item.IsShared)
{
Key = Key | 2;
dwflag = dwflag | NativeShellAPI.SHGFI.ADDOVERLAYS;
HasOverlay = true;
}
if (SelectedIcon)
{
Key = Key | 4;
dwflag = dwflag | NativeShellAPI.SHGFI.OPENICON;
HasOverlay = true; //not really an overlay, but handled the same
}
if (imageTable.ContainsKey(Key))
{
rVal = (int)imageTable[Key];
}
else if (!HasOverlay && !item.IsHidden) //for non-overlay icons, we already have
{
rVal = (int)System.Math.Floor((double)Key / 256); // the right index -- put in table
imageTable[Key] = rVal;
}
else //don't have iconindex for an overlay, get it.
{
if (item.IsFileSystem & !item.IsDisk & !item.IsFolder)
{
dwflag = dwflag | NativeShellAPI.SHGFI.USEFILEATTRIBUTES;
dwAttr = dwAttr | NativeShellAPI.FILE_ATTRIBUTE.NORMAL;
}
PIDL pidlFull = item.PIDLFull;
NativeShellAPI.SHFILEINFO shfiSmall = new NativeShellAPI.SHFILEINFO();
NativeShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiSmall, NativeShellAPI.cbFileInfo, dwflag | NativeShellAPI.SHGFI.SMALLICON);
NativeShellAPI.SHFILEINFO shfiLarge = new NativeShellAPI.SHFILEINFO();
NativeShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiLarge, NativeShellAPI.cbFileInfo, dwflag | NativeShellAPI.SHGFI.LARGEICON);
Marshal.FreeCoTaskMem(pidlFull.Ptr);
lock (imageTable)
{
rVal = NativeShellAPI.ImageList_ReplaceIcon(smallImageListHandle, -1, shfiSmall.hIcon);
NativeShellAPI.ImageList_ReplaceIcon(largeImageListHandle, -1, shfiLarge.hIcon);
}
NativeShellAPI.DestroyIcon(shfiSmall.hIcon);
NativeShellAPI.DestroyIcon(shfiLarge.hIcon);
imageTable[Key] = rVal;
}
if (SelectedIcon)
{
item.SelectedImageIndex = rVal;
}
else
{
item.ImageIndex = rVal;
}
}
protected override void WndProc(ref Message m)
{
if (m.Msg == (int)NativeShellAPI.WM.SH_NOTIFY)
{
NativeShellAPI.SHNOTIFYSTRUCT shNotify =
(NativeShellAPI.SHNOTIFYSTRUCT)Marshal.PtrToStructure(m.WParam, typeof(NativeShellAPI.SHNOTIFYSTRUCT));
//Console.Out.WriteLine("Event: {0}", (ShellAPI.SHCNE)m.LParam);
//if (shNotify.dwItem1 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem1);
//if (shNotify.dwItem2 != IntPtr.Zero)
//PIDL.Write(shNotify.dwItem2);
switch ((NativeShellAPI.SHCNE)m.LParam)
{
#region File Changes
case NativeShellAPI.SHCNE.CREATE:
#region Create Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child, relative;
PIDL.SplitPidl(shNotify.dwItem1, out parent, out child);
PIDL parentPIDL = new PIDL(parent, false);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FilesExpanded && !parentItem.SubFiles.Contains(child))
{
NativeShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
parentItem.AddItem(new ShellItem(br, parentItem, relative));
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case NativeShellAPI.SHCNE.RENAMEITEM:
#region Rename Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1) && !PIDL.IsEmpty(shNotify.dwItem2))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case NativeShellAPI.SHCNE.DELETE:
#region Delete Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child;
PIDL.SplitPidl(shNotify.dwItem1, out parent, out child);
PIDL parentPIDL = new PIDL(parent, false);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFiles.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFiles[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case NativeShellAPI.SHCNE.UPDATEITEM:
#region Update Item
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
Console.Out.WriteLine("Item: {0}", item);
item.Update(IntPtr.Zero, ShellItemUpdateType.Updated);
item.Update(IntPtr.Zero, ShellItemUpdateType.IconChange);
}
}
}
#endregion
break;
#endregion
#region Folder Changes
case NativeShellAPI.SHCNE.MKDIR:
case NativeShellAPI.SHCNE.DRIVEADD:
case NativeShellAPI.SHCNE.DRIVEADDGUI:
#region Make Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child, relative;
PIDL.SplitPidl(shNotify.dwItem1, out parent, out child);
PIDL parentPIDL = new PIDL(parent, false);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.FoldersExpanded && !parentItem.SubFolders.Contains(child))
{
NativeShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
IntPtr shellFolderPtr;
if (parentItem.ShellFolder.BindToObject(
relative,
IntPtr.Zero,
ref NativeShellAPI.IID_IShellFolder,
out shellFolderPtr) == NativeShellAPI.S_OK)
{
parentItem.AddItem(new ShellItem(br, parentItem, relative, shellFolderPtr));
}
else
{
Marshal.FreeCoTaskMem(relative);
}
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case NativeShellAPI.SHCNE.RENAMEFOLDER:
#region Rename Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1) && !PIDL.IsEmpty(shNotify.dwItem2))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, false));
if (item != null)
{
//Console.Out.WriteLine("Update: {0}", item);
item.Update(shNotify.dwItem2, ShellItemUpdateType.Renamed);
}
}
}
#endregion
break;
case NativeShellAPI.SHCNE.RMDIR:
case NativeShellAPI.SHCNE.DRIVEREMOVED:
#region Remove Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
IntPtr parent, child;
PIDL.SplitPidl(shNotify.dwItem1, out parent, out child);
PIDL parentPIDL = new PIDL(parent, false);
ShellItem parentItem = br.GetShellItem(parentPIDL);
if (parentItem != null && parentItem.SubFolders.Contains(child))
{
parentItem.RemoveItem(parentItem.SubFolders[child]);
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case NativeShellAPI.SHCNE.UPDATEDIR:
case NativeShellAPI.SHCNE.ATTRIBUTES:
#region Update Directory
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.Updated);
item.Update(IntPtr.Zero, ShellItemUpdateType.IconChange);
}
}
}
#endregion
break;
case NativeShellAPI.SHCNE.MEDIAINSERTED:
case NativeShellAPI.SHCNE.MEDIAREMOVED:
#region Media Change
{
if (!PIDL.IsEmpty(shNotify.dwItem1))
{
ShellItem item = br.GetShellItem(new PIDL(shNotify.dwItem1, true));
if (item != null)
{
item.Update(IntPtr.Zero, ShellItemUpdateType.MediaChange);
}
}
}
#endregion
break;
#endregion
#region Other Changes
case NativeShellAPI.SHCNE.ASSOCCHANGED:
#region Update Images
{
}
#endregion
break;
case NativeShellAPI.SHCNE.NETSHARE:
case NativeShellAPI.SHCNE.NETUNSHARE:
break;
case NativeShellAPI.SHCNE.UPDATEIMAGE:
UpdateRecycleBin();
break;
#endregion
}
}
base.WndProc(ref m);
}
public static DragDropEffects CanDropClipboard(ShellItem item)
{
IntPtr dataObject;
NativeShellAPI.OleGetClipboard(out dataObject);
IntPtr targetPtr;
IDropTarget target;
DragDropEffects retVal = DragDropEffects.None;
if (GetIDropTarget(item, out targetPtr, out target))
{
#region Check Copy
DragDropEffects effects = DragDropEffects.Copy;
if (target.DragEnter(
dataObject,
NativeShellAPI.MK.CONTROL,
new NativeShellAPI.POINT(0, 0),
ref effects) == NativeShellAPI.S_OK)
{
if (effects == DragDropEffects.Copy)
{
retVal |= DragDropEffects.Copy;
}
target.DragLeave();
}
#endregion
#region Check Move
effects = DragDropEffects.Move;
if (target.DragEnter(
dataObject,
NativeShellAPI.MK.SHIFT,
new NativeShellAPI.POINT(0, 0),
ref effects) == NativeShellAPI.S_OK)
{
if (effects == DragDropEffects.Move)
{
retVal |= DragDropEffects.Move;
}
target.DragLeave();
}
#endregion
#region Check Lick
effects = DragDropEffects.Link;
if (target.DragEnter(
dataObject,
NativeShellAPI.MK.ALT,
new NativeShellAPI.POINT(0, 0),
ref effects) == NativeShellAPI.S_OK)
{
if (effects == DragDropEffects.Link)
{
retVal |= DragDropEffects.Link;
}
target.DragLeave();
}
#endregion
Marshal.ReleaseComObject(target);
Marshal.Release(targetPtr);
}
return(retVal);
}
