TypeLib Xojo support Plugin |

# IRawBitmapReaderV2.ReadHeader Method

Reads only header information from image stored in file to get basic information and not decode the whole image.

ReadHeader(
f as FolderItem) as RawBitmapDescription

#### Parameters

f
  The FolderItem to open the image from.

#### Returns

RawBitmapDescription
  Instance of RawBitmapDescription or nil if there was error.

#### Remarks

#### See Also

IRawBitmapReaderV2 Interface