static PIDLIST()
{
IntPtr ptrEmpty = Marshal.AllocCoTaskMem(4);
Marshal.WriteInt32(ptrEmpty, 0);
_empty = new PIDLIST(ptrEmpty);
}
public int CompareIDs(PIDLIST pidl1, PIDLIST pidl2, int lParam = 0)
{
HRESULT hr = Com.CompareIDs(lParam, pidl1, pidl2);
hr.ThrowIfFailed();
return(hr.Code);
}
public int GetOverlayIconIndex(PIDLIST pidl)
{
int overlayIndex = 0;
HRESULT hr = Com.GetOverlayIconIndex(pidl, ref overlayIndex);
return(hr.IsSucceeded ? overlayIndex : ShellItem.NoIconIndex);
}
public T BindToObject <T> (PIDLIST pidl) where T : class
{
object obj;
HRESULT hr = Com.BindToObject(pidl, null, typeof(T).GUID, out obj);
return(hr.IsSucceeded ? (T)obj : null);
}
public T BindToStorage <T> (PIDLIST pidl)
{
object obj;
Com.BindToStorage(pidl, null, typeof(T).GUID, out obj);
return((T)obj);
}
public PIDLIST SetNameOf(HWND hwnd, PIDLIST pidl, string displayName, SHGDN flags)
{
PIDLIST pidlOut;
Com.SetNameOf(hwnd, pidl, displayName, flags, out pidlOut);
return(pidlOut);
}
public string GetDisplayNameOf(PIDLIST pidl, SHGDN uFlags)
{
STRRET name;
Com.GetDisplayNameOf(pidl, uFlags, out name);
return(Native.StrRetToBuf(ref name, pidl));
}
public int GetOverlayIndex(PIDLIST pidl, bool allowAsync = false)
{
int overlayIndex = allowAsync ? OI.ASYNC : 0;
HRESULT hr = Com.GetOverlayIndex(pidl, ref overlayIndex);
if (hr == HRESULT.E_PENDING)
{
return(ShellItem.AsyncIconIndex);
}
return(hr.IsSucceeded ? overlayIndex : ShellItem.NoIconIndex);
}
public int GetIconOf([In] PIDLIST pidl, [In] GILI flags)
{
int iconIndex;
HRESULT hr = Com.GetIconOf(pidl, flags, out iconIndex);
if (hr == HRESULT.S_FALSE)
{
return(ShellItem.NoIconIndex);
}
hr.ThrowIfFailed();
return(iconIndex);
}
public override string ToString()
{
var sb = new StringBuilder();
int i = 0;
for (PIDLIST pidl = this; !Native.ILIsEmpty(pidl); pidl = Native.ILNext(pidl))
{
byte[] data = new byte[pidl.Cb];
Marshal.Copy(Handle, data, 2, pidl.Cb - 2);
sb.AppendFormat("{0} ({1} bytes): {2} ({3})\n", i++, pidl.Cb,
BitConverter.ToString(data).Replace("-", ""),
Encoding.ASCII.GetString(data).Replace('\0', ' '));
}
return(sb.ToString());
}
public T GetUIObjectOf <T> (PIDLIST pidl)
{
return(GetUIObjectOf <T>(pidl, IntPtr.Zero));
}
public T GetUIObjectOf <T> (PIDLIST pidl, HWND hwnd)
{
return(GetUIObjectOf <T>(new[] { pidl }, hwnd));
}
public SFGAO GetAttributesOf(PIDLIST pidl, SFGAO attrs)
{
return(GetAttributesOf(new[] { pidl }, attrs));
}