internal static ImageSource GetSmallImage(string filename, bool useCache)
{
string extension = Path.GetExtension(filename).ToLower();
if (useCache)
{
if (_Cache.ContainsKey(filename))
{
return(_Cache[filename]);
}
if (_Cache.ContainsKey(extension))
{
return(_Cache[extension]);
}
FileAttributes attributes = File.GetAttributes(filename);
if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
if (!ShortcutHelper.IsShortcut(filename))
{
if (_Cache.ContainsKey("!!!"))
{
return(_Cache["!!!"]);
}
else
{
ImageSource folderImage = GetFolderImage(false);
_Cache.Add("!!!", folderImage);
return(folderImage);
}
}
}
}
IntPtr hImgSmall; //the handle to the system image list
SHFILEINFO shinfo = new SHFILEINFO();
//Use this to get the small Icon
hImgSmall = Win32.SHGetFileInfo(filename, Win32.FILE_ATTRIBUTE_NORMAL, ref shinfo, (uint)Marshal.SizeOf(shinfo), Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);
ImageSource image = GetImage(shinfo.hIcon);
Win32.DestroyIcon(hImgSmall);
if (useCache)
{
if (extension == ".exe" || extension == ".ico" || extension == string.Empty || ShortcutHelper.IsShortcut(filename))
{
_Cache.Add(filename, image);
}
else
{
_Cache.Add(extension, image);
}
}
return(image);
}
internal static ImageSource GetImage(string filename, bool useCache)
{
string extension = Path.GetExtension(filename).ToLower();
if (useCache)
{
if (_Cache.ContainsKey(filename))
{
return(_Cache[filename]);
}
if (_Cache.ContainsKey(extension))
{
return(_Cache[extension]);
}
FileAttributes attributes = File.GetAttributes(filename);
if ((attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
if (!ShortcutHelper.IsShortcut(filename))
{
if (_Cache.ContainsKey("!!!"))
{
return(_Cache["!!!"]);
}
else
{
ImageSource folderImage = GetFolderImage(false);
_Cache.Add("!!!", folderImage);
return(folderImage);
}
}
}
}
SHFILEINFO shinfo = new SHFILEINFO();
IntPtr ptrIconList = Win32.SHGetFileInfo(filename, Win32.FILE_ATTRIBUTE_NORMAL, ref shinfo, (uint)Marshal.SizeOf(shinfo), Win32.SHGFI_SYSICONINDEX | Win32.SHGFI_SMALLICON | Win32.SHGFI_USEFILEATTRIBUTES);
IntPtr ptrIcon = Win32.ImageList_GetIcon(ptrIconList, shinfo.iIcon.ToInt32(), Win32.ILD_TRANSPARENT);
ImageSource image = GetImage(ptrIcon);
Win32.DestroyIcon(ptrIcon);
Win32.DestroyIcon(ptrIconList);
if (useCache)
{
if (extension == ".exe" || extension == ".ico" || extension == string.Empty || ShortcutHelper.IsShortcut(filename))
{
_Cache.Add(filename, image);
}
else
{
_Cache.Add(extension, image);
}
}
return(image);
}
