Chilkat v11.6.0 / v11.6.1 Release Notes
See Release Notes for Versions 11.6.0 and 11.6.1
Chilkat v11.5.0 Release Notes
✨ New Features HttpCurl A new Chilkat class has been added: HttpCurl The Chilkat.HttpCurl class executes curl commands and can automatically resolve dependent values needed by a request. Variables such as {{access_token}}, {{site_id}}, or {{drive_id}} may appear in URLs, headers, query parameters, or request bodies. If a variable is not yet known, HttpCurl builds […]
Chilkat v11.4.0 Release Notes
✨ New Features Js A new Chilkat class has been added: Js is a minimal, standards-compliant JavaScript engine designed to embed JavaScript inside applications with very small footprint and fast startup. It executes JavaScript code inside an application without requiring a browser or large runtime. See About the Chilkat.Js JavaScript Engine Ai Provider — […]
Getting OAuth2 Token in Desktop App vs. Web App
Question: I have done some Dataflex development for the UK ‘Making Tax Digital’ functions that require oAuth2 authorisation. I’ve used your example code for the Windows work but I now need to get this working for a Dataflex Web based version. That communication part will all take place from the Web server. Any pointers on […]
GMail “Allow Access for Less Secured Apps”
Question: I created a Gmail account and I am SendEmailAsync to send email via that Gmail account through a VB6 program. I had to turn on “allow access for less secured apps” for that Gmail account but otherwise, I am able to get everything working. However, after some weeks of inactivity, Google would automatically turn […]
Working with Huge (Extremely Large) JSON Files
Question: I am using the following calls in Visual FoxPro with Chilkat_9_5_0.JsonObject (9.5.0.80) and the resulting JSON is writing only {} oChilkatJson=Createobject(‘Chilkat_9_5_0.JsonObject’) oChilkatJson.LoadFile(“pathToLargeJSONFile”) oChilkatJson.EmitCompact=1 =STRTOFILE(oChilkatJson.Emit(),pathToOutputFile) Original Size of JSON: 259 MB (271,982,395 bytes) New JSON outputs as: {} I could use the https://www.example-code.com/foxpro/create_complex_json.asp to read and write each JSON property/object to memory and perform the one EMIT() a the end, […]
Generated Code for XAdES Signing Certificates
Question: I am user of your component and I have problem with signing XML files. I got (invalid) ds:Signature with same not replaced text “TO BE GENERATED BY CHILKAT” in tree node (SigningCertificate|xades:Cert[1] and SigningCertificate|xades:Cert[2]) The SigningCertificate|xades:Cert[0] is valid. … CkXml object1; object1.put_Tag(“xades:QualifyingProperties”); object1.AddAttribute(“xmlns:xades”,”http://uri.etsi.org/01903/v1.3.2#”); object1.AddAttribute(“xmlns:xades141″,”http://uri.etsi.org/01903/v1.4.1#”); object1.AddAttribute(“Target”,”#xmldsig-0d264d45-0a6a-4431-8e74-35463a71756c”); object1.UpdateAttrAt(“xades:SignedProperties”,true,”Id”,”xmldsig-0d264d45-0a6a-4431-8e74-35463a71756c-signedprops”); object1.UpdateChildContent(“xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningTime”,”TO BE GENERATED BY CHILKAT”); object1.UpdateAttrAt(“xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestMethod”,true,”Algorithm”,”http://www.w3.org/2000/09/xmldsig#sha1″); object1.UpdateChildContent(“xades:SignedProperties|xades:SignedSignatureProperties|xades:SigningCertificate|xades:Cert|xades:CertDigest|ds:DigestValue”,”TO BE […]
Generating Code to Create XMP XML
The Chilkat Xmp class provides the abililty to insert/update/remove/extract XMP metadata from JPEG and TIFF image files. In addition, the XMP API provides helper methods to make it easier to construct XML according to XMP specifications. These methods are usually sufficient, but may lack flexibility to create more complex XMP metadata. An alternative approach is […]
Solved: Unable to load ‘chilkatDnCore-9_5_0’ or one of its dependencies in Azure functions
Problem: I was using Chilkat to sign xml messages, very similar to one of your examples: https://www.example-code.com/dotnet-core/fatturapa_cades_bes.asp The code was deployed as an Azure V2 function written in .Net Core 2.2 It worked without problems for months, but then after one deploy last week it started crashing on the line: new Chilkat.Global().UnlockBundle(ChilkatKey); It works locally, […]
Q/A 11-Nov-2019 (Thread Safety)
Question: We have a desktop application(client) that can communicate to many devices(servers) at the same time. A different thread pool is used for each device communication, so they do not block each other or the main thread. Because of the issue earlier, I am using the same http object for all communications. Most of the […]
Q/A 30-Oct-2019
Question: I updated from an older version of Chilkat to the latest version, and the following CkFtp2 (C++) methods no longer exist: GetLastAccessDt and GetLastAccessDtByName. What happened to them? Answer: These methods were deprecated a while ago, and were finally removed. I’ll explain. (The methods still exist in the ActiveX because it’s not possible to […]
Q/A 25-Oct-2019
Question: One of my suppliers has provided a certified x509 certificate p12, in order to connect to his WS Soap. Developing in the Visual FoxPro environment, I ask you if you have libraries with examples that can be used for this purpose. Answer: I’m assuming the .p12 is to be used as the client certificate […]
Desktop Application UI Freezes in Function Call (C#, VB.NET, VB6, Xojo, etc.)
I often get this question: “I’m calling the method XYZ and the UI freezes until the method returns.”. For example: “I’m trying to upload a file in FTP. I’m trying the examples of the site but the screen remains locked until the end of the upload. It’s very important that while I’m uploading a […]