public static Bitmap GetFileIcon(IntPtr fileName, IconSize size)
{
SHFILEINFO shinfo = new SHFILEINFO();
uint flags = SHGFI_SYSICONINDEX | SHGFI_USEFILEATTRIBUTES | SHGFI_PIDL;
if (size == IconSize.small)
flags = flags | SHGFI_ICON | SHGFI_SMALLICON;
else flags = flags | SHGFI_ICON;
SHGetFileInfo(fileName, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), flags);
return shinfo.hIcon != IntPtr.Zero ? Icon.FromHandle(shinfo.hIcon).ToBitmap() : new Bitmap(1, 1);
}
// <summary>
/// Return large file icon of the specified file.
/// </summary>
public static Bitmap GetFileIcon(string fileName, IconSize size)
{
if (fileName.StartsWith("."))
fileName = "AAA" + fileName;
SHFILEINFO shinfo = new SHFILEINFO();
uint flags = SHGFI_SYSICONINDEX;
if (fileName.IndexOf(":") == -1)
flags = flags | SHGFI_USEFILEATTRIBUTES;
if (size == IconSize.small)
flags = flags | SHGFI_ICON | SHGFI_SMALLICON;
else flags = flags | SHGFI_ICON;
SHGetFileInfo(fileName, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), flags);
Bitmap retVal = shinfo.hIcon != IntPtr.Zero ? Icon.FromHandle(shinfo.hIcon).ToBitmap() : new Bitmap(1, 1);
if (!retVal.Size.Equals(IconSizeToSize(size)))
return resizeImage(retVal, IconSizeToSize(size), 0);
return retVal;
}
protected static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes,
ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);
