Accusoft ImagXpress 13
TagModify Method
AccusoftImagXpress13 ActiveX DLL > ImagXpress Object : 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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