Accusoft ImagXpress 13
TagModify Method
The tag number for the tag to modify.

The tag type to modify.

The index position in the list of data items for the tag.

Valid range is 1 to TagCount.

A VARIANT expression evaluating to the data to modify.
Description
Modifies a single data item in a tag.
Syntax
Visual Basic
Public Sub TagModify( _
   ByVal TagNbr As Long, _
   ByVal TagType As Long, _
   ByVal itemNbr As Long, _
   ByVal Data As Variant _
) 
Parameters
TagNbr
The tag number for the tag to modify.
TagType

The tag type to modify.

  • TAG_BYTE (1) - Byte

  • TAG_ASCII (2) - Ascii character

  • TAG_SHORT (3) Short

  • TAG_LONG (4) Long

  • TAG_RATIONAL (5) Rational

  • TAG_SBYTE (6) Signed byte

  • TAG_UNDEFINE (7) 8 bit byte

  • TAG_SSHORT (8) Signed Short

  • TAG_SLONG (9) Signed Long

  • TAG_SRATIONAL (10) Signed Rational

  • TAG_FLOAT (11) Float (4 Bytes)

  • TAG_DOUBLE (12) Double (8 bytes)

itemNbr

The index position in the list of data items for the tag.

Valid range is 1 to TagCount.

Data
A VARIANT expression evaluating to the data to modify.
Remarks

If the tag does not exist, the method fails and the ImagError property is set to IX_Error_TagNotFound. If the requested data item does not fall within the range of data items in the tag, the method fails and the ImagError property is set to IX_Error_TagItemNotFound

Note: Available in Professional Edition. 

Example
‘ Changes the 5th character To "A"
ImagXpress1.TagModify TagNbr, TAG_ASCII, 5, "A"
For TagTypes TAG_RATIONAL And TAG_SRATIONAL, the Data should be passed As a two element Array of Long values.
Dim R[2] As Long
R(0) = 600
R(1) = 1

‘ Changes the 4th RATIONAL
ImagXpress1.TagModify TagNbr, TAG_RATIONAL, 4, R
See Also

ImagXpress Object  | ImagXpress Members  | TagAdd Method  | TagDelete Method  | Image Metadata

 

 


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