public static IntPtr SHParseDisplayName(string pszName, IBindCtx pbc, SFGAOF sfgaoIn, out SFGAOF psfgaoOut)
{
IntPtr pidl;
SHParseDisplayName(pszName, pbc, out pidl, sfgaoIn, out psfgaoOut);
return(pidl);
}
/// <summary>
/// Constructor. Create a sub-item shell item object.
/// </summary>
/// <param name="shDesktop">IShellFolder interface of the Desktop</param>
/// <param name="pIDL">The fully qualified PIDL for this shell item</param>
/// <param name="shParent">The ShellItem object for this item's parent</param>
public ShellItem(IShellFolder shDesktop, IntPtr pIDL, ShellItem shParent)
{
// We need the Desktop shell item to exist first.
if (m_bHaveRootShell == false)
{
throw new Exception("The root shell item must be created before creating a sub-item");
}
// Create the FQ PIDL for this new item.
m_pIDL = NativeShellApi.ILCombine(shParent.PIDL, pIDL);
// Get the properties of this item.
SFGAOF uFlags = SFGAOF.SFGAO_FOLDER | SFGAOF.SFGAO_HASSUBFOLDER;
// Here we get some basic attributes.
shDesktop.GetAttributesOf(1, out m_pIDL, out uFlags);
IsFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_FOLDER);
HasSubFolder = Convert.ToBoolean(uFlags & SFGAOF.SFGAO_HASSUBFOLDER);
// Now we want to get extended attributes such as the icon index etc.
SHFILEINFO shInfo = new SHFILEINFO();
SHGFI vFlags =
SHGFI.SHGFI_SMALLICON |
SHGFI.SHGFI_SYSICONINDEX |
SHGFI.SHGFI_PIDL |
SHGFI.SHGFI_DISPLAYNAME;
NativeShellApi.SHGetFileInfo(m_pIDL, 0, out shInfo, (uint)Marshal.SizeOf(shInfo), vFlags);
DisplayName = shInfo.szDisplayName;
IconIndex = shInfo.iIcon;
Path = GetPath();
// Create the IShellFolder interface for this item.
if (IsFolder)
{
uint hRes = shParent.m_shShellFolder.BindToObject(pIDL, IntPtr.Zero, ref NativeShellApi.IID_IShellFolder, out m_shShellFolder);
if (hRes != 0)
{
Marshal.ThrowExceptionForHR((int)hRes);
}
}
}
internal static extern HRESULT SHParseDisplayName([In, MarshalAs(UnmanagedType.LPWStr)] string pszName,
IntPtr pbc,
out IntPtr ppidl,
SFGAOF sfgaoIn,
out SFGAOF psfgaoOut);
static extern void SHParseDisplayName(string pszName, IBindCtx pbc, out IntPtr ppidl, SFGAOF sfgaoIn, out SFGAOF psfgaoOut);
private void PopupContextMenu(string fromPath, int x, int y)
{
IntPtr ppv;
ShellAPI.SHGetDesktopFolder(out ppv);
IShellFolder isf = (IShellFolder)Marshal.GetObjectForIUnknown(ppv);
if (isf == null)
{
return;
}
IntPtr pidl = IntPtr.Zero;
int eaten;
SFGAOF attribs = default(SFGAOF);
isf.ParseDisplayName(IntPtr.Zero, IntPtr.Zero, fromPath, out eaten, out pidl, ref attribs);
IntPtr pidlChild = IntPtr.Zero;
ShellAPI.SHBindToParent(pidl, typeof(IShellFolder).GUID, out ppv, ref pidlChild);
IShellFolder parentFolder = (IShellFolder)Marshal.GetObjectForIUnknown(ppv);
IntPtr[] apidl = new IntPtr[1] {
pidlChild
};
parentFolder.GetUIObjectOf(IntPtr.Zero, 1, apidl, typeof(IContextMenu).GUID, 0, out ppv);
IContextMenu ctxMenuFirst = (IContextMenu)Marshal.GetObjectForIUnknown(ppv);
var ctx2Guid = typeof(IContextMenu2).GUID;
Marshal.QueryInterface(ppv, ref ctx2Guid, out ppv);
IContextMenu2 ctxMenu = (IContextMenu2)Marshal.GetObjectForIUnknown(ppv);
_ctxMenu = ctxMenu;
IntPtr hMenu = ShellAPI.CreatePopupMenu();
ctxMenu.QueryContextMenu(hMenu, 0, 1, 0x7fff, CMF.CMF_NORMAL);
int menuCount = ShellAPI.GetMenuItemCount(hMenu);
for (int i = 0; i < menuCount; ++i)
{
StringBuilder strbuf = new StringBuilder(256);
int res = ShellAPI.GetMenuString(hMenu, (uint)i, strbuf, strbuf.Capacity, (int)MF.MF_BYPOSITION);
if (res > 0)
{
Debug.WriteLine(string.Format("{0:d2} {1}", i, strbuf.ToString()));
}
}
const uint TPM_LEFTALIGN = 0;
const uint TPM_RIGHTBUTTON = 0x0002;
const uint TPM_RETURNCMD = 0x0100;
uint flags = TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD;
var hwndSource = PresentationSource.FromVisual(this) as HwndSource;
ShellAPI.TrackPopupMenu(hMenu, flags, x, y, 0, hwndSource.Handle, IntPtr.Zero);
ShellAPI.DestroyMenu(hMenu);
_ctxMenu = null;
}
