private static void ShowContextMenuInternal(DirectoryInfo directory, Point pointScreen, IntPtr hwnd)
{
var pMenu = IntPtr.Zero;
var iContextMenuPtr = IntPtr.Zero;
var iContextMenuPtr2 = IntPtr.Zero;
var iContextMenuPtr3 = IntPtr.Zero;
try
{
var pidl = GetPidl(directory);
if (directory.Parent != null && false == GetContextMenuInterfaces(GetParentFolder(directory.FullName), pidl, out iContextMenuPtr))
{
ReleaseAll();
return;
}
pMenu = DllImports.CreatePopupMenu();
_oContextMenu.QueryContextMenu(pMenu, 0, CmdFirst, CmdLast, Enums.Cmf.EXPLORE | Enums.Cmf.NORMAL | ((Control.ModifierKeys & Keys.Shift) != 0 ? Enums.Cmf.EXTENDEDVERBS : 0));
Marshal.QueryInterface(iContextMenuPtr, ref _iidIContextMenu2, out iContextMenuPtr2);
Marshal.QueryInterface(iContextMenuPtr, ref _iidIContextMenu3, out iContextMenuPtr3);
_oContextMenu2 = (IContextMenu2)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr2, typeof(IContextMenu2));
_oContextMenu3 = (IContextMenu3)Marshal.GetTypedObjectForIUnknown(iContextMenuPtr3, typeof(IContextMenu3));
var nSelected = DllImports.TrackPopupMenuEx(pMenu, Enums.Tpm.RETURNCMD, pointScreen.X, pointScreen.Y, hwnd, IntPtr.Zero);
DllImports.DestroyMenu(pMenu);
pMenu = IntPtr.Zero;
if (nSelected != 0)
{
InvokeCommand(_oContextMenu, nSelected, _strParentFolder, pointScreen);
}
}
catch
{
}
finally
{
if (pMenu != IntPtr.Zero)
{
DllImports.DestroyMenu(pMenu);
}
if (iContextMenuPtr != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr);
}
if (iContextMenuPtr2 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr2);
}
if (iContextMenuPtr3 != IntPtr.Zero)
{
Marshal.Release(iContextMenuPtr3);
}
ReleaseAll();
}
}
public IntPtr CreateSubMenu()
{
return(DllImports.CreatePopupMenu());
}
