/// <summary>
/// Returns an icon for a given file - indicated by the name parameter.
/// </summary>
/// <param name="name">Pathname for file.</param>
/// <param name="size">Large or small</param>
/// <param name="linkOverlay">Whether to include the link icon</param>
/// <returns>Icon</returns>
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
{
var shfi = new Shell32.SHFILEINFO();
var flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES;
if (linkOverlay) flags += Shell32.SHGFI_LINKOVERLAY;
/* Check the size specified for return. */
if (IconSize.Small == size) {
flags += Shell32.SHGFI_SMALLICON;
} else {
flags += Shell32.SHGFI_LARGEICON;
}
//Shell32.SHGetFileInfo(name,
// Shell32.FILE_ATTRIBUTE_NORMAL,
// ref shfi,
// (uint)Marshal.SizeOf(shfi),
// flags);
//// Copy (clone) the returned icon to a new object, thus allowing us to clean-up properly
//var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
//User32.DestroyIcon(shfi.hIcon); // Cleanup
//return icon;
return GetIcon(flags, name, Shell32.FILE_ATTRIBUTE_NORMAL);
}
private static Icon GetIcon(uint flags, string path, uint fileAttributes)
{
var shfi = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo(path,
fileAttributes,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
Icon.FromHandle(shfi.hIcon); // Load the icon from an HICON handle
// Now clone the icon, so that it can be successfully stored in an ImageList
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return(icon);
}
private static Icon GetIcon(uint flags, string path, uint fileAttributes)
{
var shfi = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo(path,
fileAttributes,
ref shfi,
(uint) Marshal.SizeOf(shfi),
flags);
Icon.FromHandle(shfi.hIcon); // Load the icon from an HICON handle
// Now clone the icon, so that it can be successfully stored in an ImageList
var icon = (Icon) Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return icon;
}
