The following tables list the members exposed by PngOptions.
| Name | Description |
 | FilterFlags | Gets or sets the filtering flags. This enumeration supports a bitwise combination of its member values. If a single filter is chosen, then that filter will be used for every row. If multiple filters are chosen, then a heuristic will be used to guess which filter will encode smallest, then apply that filter. This happens on a per row basis, different rows can use different filters. Using a single filter (or less filters) is typically faster. Trying all of the filters may help minimize the output file size. The default value is PngFilterFlags.AllFilters. |
 | ZLibLevel | Gets or sets the compression level in the range 0..9. The default value is 7. |
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