Gets the specified tagged data from a TIFF file. Tags|TIFF
public RasterTagMetadata ReadTag(
string fileName,
int pageNumber,
int id
)
Public Overloads Function ReadTag( _
ByVal fileName As String, _
ByVal pageNumber As Integer, _
ByVal id As Integer _
) As RasterTagMetadata
- (nullable LTRasterTagMetadata *)readTag:(NSUInteger)tagId
fromFile:(NSString *)file
pageNumber:(NSInteger)pageNumber
error:(NSError **)error
public:
RasterTagMetadata^ ReadTag(
String^ fileName,
int pageNumber,
int id
)
fileName
A String containing the input file name.
pageNumber
1-based index of the page from which to read the tag.
id
Tag to identify the data in the TIFF file. Use the same tag that you specified in the WriteTag. Examples of registered tags are:
Value | Meaning |
---|---|
0x8298 | Copyright comment |
0x8769 | General Exif comments |
0x8825 | Exif GPS comments |
0x80A4 | Annotation TIFF tag |
The tag data.
This method is provided to support TIFF tags that you define. If no such tag exists in the image, this method will return a null reference.
To read all the tags stored in a file, use ReadTags
You can use TagsSupported to determine whether a certain file format supports tags.
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