public void Load(string linkFileName)
{
if (null == linkFileName)
{
throw new ArgumentNullException("linkFileName", "A name of the link file cannot be null");
}
if (!File.Exists(linkFileName))
{
throw new FileNotFoundException("Link not found", linkFileName);
}
new FileIOPermission(FileIOPermissionAccess.Read | FileIOPermissionAccess.PathDiscovery, linkFileName).Demand();
object sl = null;
try
{
Type slType = Type.GetTypeFromCLSID(CLSID_ShellLink);
sl = Activator.CreateInstance(slType);
IPersistFile pf = sl as IPersistFile;
pf.Load(linkFileName, 0);
int showCmd;
StringBuilder builder = new StringBuilder(INFOTIPSIZE);
IShellLinkW shellLinkW = sl as IShellLinkW;
if (null == shellLinkW)
{
IShellLinkA shellLinkA = sl as IShellLinkA;
if (null == shellLinkA)
{
ThrowInvalidComObjectException();
}
shellLinkA.GetArguments(builder, builder.Capacity);
this.arguments = builder.ToString();
shellLinkA.GetDescription(builder, builder.Capacity);
this.description = builder.ToString();
shellLinkA.GetHotkey(out this.hotkey);
shellLinkA.GetIconLocation(builder, builder.Capacity, out this.iconIndex);
this.iconPath = builder.ToString();
Win32FindDataA wfd;
shellLinkA.GetPath(builder, builder.Capacity, out wfd, SLGP_UNCPRIORITY);
this.path = builder.ToString();
shellLinkA.GetShowCmd(out showCmd);
shellLinkA.GetWorkingDirectory(builder, builder.Capacity);
this.workingDirectory = builder.ToString();
}
else
{
shellLinkW.GetArguments(builder, builder.Capacity);
this.arguments = builder.ToString();
shellLinkW.GetDescription(builder, builder.Capacity);
this.description = builder.ToString();
shellLinkW.GetHotkey(out this.hotkey);
shellLinkW.GetIconLocation(builder, builder.Capacity, out this.iconIndex);
this.iconPath = builder.ToString();
Win32FindDataW wfd;
shellLinkW.GetPath(builder, builder.Capacity, out wfd, SLGP_UNCPRIORITY);
this.path = builder.ToString();
shellLinkW.GetShowCmd(out showCmd);
shellLinkW.GetWorkingDirectory(builder, builder.Capacity);
this.workingDirectory = builder.ToString();
}
this.showCmd = (ShowCommand)showCmd;
}
finally
{
if (null != sl)
{
Marshal.ReleaseComObject(sl);
}
}
// This object is not eligible for the garbage collection during this method call
GC.KeepAlive(this);
}
