public BitmapSource GetImageForApplicationName(string appFullPath)
{
const int iconSize = 16;
// normalize case and trim quotes
appFullPath = appFullPath.ToLowerInvariant().Trim('\"', '\'');
// expand environment variables
int i = 0;
while ((i = appFullPath.IndexOf('%', i)) >= 0)
{
int j = appFullPath.IndexOf('%', i + 1);
// uh-oh - registry may be corrupt
if (j <= i)
{
return(null);
}
var envVar = appFullPath.Substring(i + 1, j - 1);
var envVarValue = Environment.GetEnvironmentVariable(envVar);
appFullPath = appFullPath.Replace($"%{envVar}%", envVarValue);
}
// check cache
if (AppIcons.TryGetValue(appFullPath, out BitmapCollection <BitmapSource> bitmaps))
{
if (bitmaps.TryGetValue(iconSize, out BitmapSource cached))
{
return(cached);
}
}
// load from app (dll or exe)
var bitmapImage = GetBitmapImageFromApp(appFullPath, small: true);
if (bitmapImage == null)
{
return(null);
}
if (bitmaps == null)
{
bitmaps = new BitmapCollection <BitmapSource>();
AppIcons.Add(appFullPath, bitmaps);
}
// store in cache
bitmaps.Add(bitmapImage, iconSize);
return(bitmapImage);
}
/// <summary>
/// Loads a known icon from the app resources
/// </summary>
private BitmapCollection <BitmapSource> LoadKnownIcon(string id)
{
using (var stream = Application.GetResourceStream(new Uri($"pack://application:,,,/MOPE;component/icons/{id}.ico")).Stream)
{
// load 16, 32, and 256 sizes
var collection = new BitmapCollection <BitmapSource>();
collection.Add(GetBitmapSourceFromIconStream(stream, 16), 16);
stream.Seek(0, SeekOrigin.Begin);
collection.Add(GetBitmapSourceFromIconStream(stream, 32), 32);
stream.Seek(0, SeekOrigin.Begin);
collection.Add(GetBitmapSourceFromIconStream(stream, 64), 64);
return(collection);
}
}