Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

DataFlex Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(DataFlex) Update a String Property in XMP

Demonstrates how to open a JPG or TIF image file, access the XMP metadata, and update the value of a string property. (If the string property does not already exist, it is created.)

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoXmp
    Boolean iSuccess
    Variant vXml
    Handle hoXml
    String sTemp1
    Integer iTemp1

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatXmp)) To hoXmp
    If (Not(IsComObjectCreated(hoXmp))) Begin
        Send CreateComObject of hoXmp
    End

    // Load a JPG or TIF image file.
    Get ComLoadAppFile Of hoXmp "qa_data/xmp/AJ_123642_1511.tif" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoXmp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComNumEmbedded Of hoXmp To iTemp1
    Showln "Num embedded XMP docs: " iTemp1

    // This example assumes that XMP metadata is already present in the image file.
    Get ComNumEmbedded Of hoXmp To iTemp1
    If (iTemp1 = 0) Begin
        Showln "No XMP metadata already exists.."
        Procedure_Return
    End

    // Get the XMP metadata.

    Get ComGetEmbedded Of hoXmp 0 To vXml
    If (IsComObject(vXml)) Begin
        Get Create (RefClass(cComChilkatXml)) To hoXml
        Set pvComObject Of hoXml To vXml
    End

    // Show the XML:
    Get ComGetXml Of hoXml To sTemp1
    Showln sTemp1

    // Update (overwrite) a string property.
    Get ComAddSimpleStr Of hoXmp vXml "NumberofTimes" "123" To iSuccess

    Get ComSaveAppFile Of hoXmp "qa_output/updated.tif" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoXmp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "Success."


End_Procedure

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.