protected override void WndProc(ref Message m)
{
if (m.Msg == (int)ShellAPI.WM.SH_NOTIFY)
{
ShellAPI.SHNOTIFYSTRUCT shNotify =
(ShellAPI.SHNOTIFYSTRUCT)Marshal.PtrToStructure(m.WParam, typeof(ShellAPI.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);
try
{
switch ((ShellAPI.SHCNE)m.LParam)
{
#region File Changes
case ShellAPI.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))
{
ShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
parentItem.AddItem(new ShellItem(br, parentItem, relative));
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.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 ShellAPI.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 ShellAPI.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 ShellAPI.SHCNE.MKDIR:
case ShellAPI.SHCNE.DRIVEADD:
case ShellAPI.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))
{
ShellAPI.SHGetRealIDL(
parentItem.ShellFolder,
child,
out relative);
IntPtr shellFolderPtr;
if (parentItem.ShellFolder.BindToObject(
relative,
IntPtr.Zero,
ref ShellAPI.IID_IShellFolder,
out shellFolderPtr) == ShellAPI.S_OK)
{
parentItem.AddItem(new ShellItem(br, parentItem, relative, shellFolderPtr));
}
else
{
Marshal.FreeCoTaskMem(relative);
}
}
Marshal.FreeCoTaskMem(child);
parentPIDL.Free();
}
}
#endregion
break;
case ShellAPI.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 ShellAPI.SHCNE.RMDIR:
case ShellAPI.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 ShellAPI.SHCNE.UPDATEDIR:
case ShellAPI.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 ShellAPI.SHCNE.MEDIAINSERTED:
case ShellAPI.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 ShellAPI.SHCNE.ASSOCCHANGED:
#region Update Images
{
}
#endregion
break;
case ShellAPI.SHCNE.NETSHARE:
case ShellAPI.SHCNE.NETUNSHARE:
break;
case ShellAPI.SHCNE.UPDATEIMAGE:
UpdateRecycleBin();
break;
#endregion
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
base.WndProc(ref m);
}