internal static extern HResult SHCreateItemFromParsingName([MarshalAs(UnmanagedType.LPWStr)] string path, IntPtr pbc, ref Guid riid, [MarshalAs(UnmanagedType.Interface)] ref IShellItemPS shellItem);
/// <summary>
/// Advanced initialization of FileObject. Use this for items in special folders.
/// </summary>
/// <param name="parsingName">The shell parsing name of the file.</param>
/// <param name="isSpecial">Is the file known to be special?</param>
/// <param name="initialize">True to get file info and load icons.</param>
/// <param name="iconSize">Default icon size. This can be changed with the <see cref="IconSize"/> property.</param>
public FileObject(string parsingName, bool isSpecial, bool initialize, StandardIcons iconSize = StandardIcons.Icon48)
{
this.isSpecial = isSpecial;
filename = parsingName;
try
{
var mm = new MemPtr();
var riid = Guid.Parse(ShellIIDGuid.IShellItem);
HResult res;
if (this.isSpecial)
{
// let's see if we can parse it.
IShellItem shitem = null;
IShellItemPS pssh = null;
IShellItem2 shitem2 = null;
res = NativeShell.SHCreateItemFromParsingName(parsingName, IntPtr.Zero, ref riid, ref shitem);
string fp = null;
if (res == HResult.Ok)
{
NativeShell.SHCreateItemFromParsingName(parsingName, IntPtr.Zero, ref riid, ref pssh);
psshellObj = pssh;
riid = Guid.Parse(ShellIIDGuid.IShellItem2);
NativeShell.SHCreateItemFromParsingName(parsingName, IntPtr.Zero, ref riid, ref shitem2);
psshellObj2 = shitem2;
shitem.GetDisplayName(ShellItemDesignNameOptions.DesktopAbsoluteParsing, out mm.handle);
fp = (string)mm;
ParsingName = fp;
CanonicalName = fp;
mm.CoTaskMemFree();
shitem.GetDisplayName(ShellItemDesignNameOptions.Normal, out mm.handle);
DisplayName = (string)mm;
mm.CoTaskMemFree();
this.isSpecial = true;
if (initialize)
{
Refresh();
}
shellObj = shitem;
return;
}
HResult localSHCreateItemFromParsingName()
{
riid = Guid.Parse(ShellIIDGuid.IShellItem); var ret = NativeShell.SHCreateItemFromParsingName("shell:" + (fp ?? parsingName), IntPtr.Zero, ref riid, ref shitem); return(ret);
}
res = localSHCreateItemFromParsingName();
if (res == HResult.Ok)
{
shitem.GetDisplayName(ShellItemDesignNameOptions.DesktopAbsoluteParsing, out mm.handle);
CanonicalName = (string)mm;
if (ParsingName is null)
{
ParsingName = (string)mm;
}
filename = ParsingName;
mm.CoTaskMemFree();
shitem.GetDisplayName(ShellItemDesignNameOptions.Normal, out mm.handle);
DisplayName = (string)mm;
mm.CoTaskMemFree();
}
shellObj = shitem;
shitem = null;
if (!string.IsNullOrEmpty(DisplayName) && !string.IsNullOrEmpty(ParsingName))
{
this.isSpecial = true;
if (initialize)
{
Refresh(this.iconSize);
}
return;
}
}
if (File.Exists(parsingName) == false)
{
if (!this.isSpecial)
{
throw new FileNotFoundException("File Not Found: " + parsingName);
}
}
else if (initialize)
{
Refresh(this.iconSize);
}
}
catch
{
}
}
