/// <summary>
/// Return the index of the image that has the Shell Icon for the given file/directory.
/// </summary>
/// <param name="path">The full path to the file/directory</param>
/// <returns>The index of the image or -1 if something goes wrong.</returns>
public int GetImageIndex(string path)
{
try
{
if (Path.HasExtension(path))
{
path = Path.GetExtension(path);
}
else
{
path = Environment.SystemDirectory; // optimization! give all directories the same image
}
if (SmallImageCollection.ContainsKey(path))
{
return(SmallImageCollection.IndexOfKey(path));
}
SmallImageCollection.Add(path, ShellUtilities.GetFileIcon(path, true, true));
if (LargeImageCollection != null)
{
LargeImageCollection.Add(path, ShellUtilities.GetFileIcon(path, false, true));
}
}
catch (Exception)
{
return(-1);
}
return(SmallImageCollection.IndexOfKey(path));
}
public int GetFolderImageIndex()
{
string path = Environment.SystemDirectory; // optimization! give all directories the same image
try
{
SmallImageCollection.Add(path, ShellUtilities.GetFileIcon(path, true, true));
if (LargeImageCollection != null)
{
LargeImageCollection.Add(path, ShellUtilities.GetFileIcon(path, false, true));
}
}
catch (ArgumentNullException)
{
return(-1);
}
return(SmallImageCollection.IndexOfKey(path));
}