Chilkat Examples

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Delphi ActiveX Examples


ASN.1
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Bounced Email
Box
CSR
CSV
Certificates
Compression
DKIM / DomainKey
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Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
Facebook
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Google APIs
Google Calendar
Google Cloud Storage
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Gzip
HTML-to-XML/Text
HTTP
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IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)

Jira
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
PayPal
Peoplevox
QuickBooks
REST
REST Misc
RSA Encryption
SCP
SFTP
SMTP
SSH
SSH Key
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SharePoint
Shopify
Socket/SSL/TLS
Spider
Stream
Stripe
SugarCRM
Tar Archive
Twitter
VoiceBase
Walmart
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Xero
Zip
curl
eBay

 

 

 

(Delphi ActiveX) Create more Complex JSON Document

Sample code to create the following JSON document:

    {  
        "Title": "The Cuckoo's Calling",  
        "Author": "Robert Galbraith",  
        "Genre": "classic crime novel",  
        "Detail": {  
            "Publisher": "Little Brown",  
            "Publication_Year": 2013,  
            "ISBN-13": 9781408704004,  
            "Language": "English",  
            "Pages": 494  
        },  
        "Price": [  
            {  
                "type": "Hardcover",  
                "price": 16.65  
            },  
            {  
                "type": "Kindle Edition",  
                "price": 7.00  
            }  
        ]  
    }  

Chilkat for Delphi Downloads

Chilkat ActiveX DLL for Delphi

Chilkat non-ActiveX DLL for Delphi

* The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_v9_5_0_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
json: TChilkatJsonObject;
success: Integer;
index: Integer;
detail: IChilkatJsonObject;
aPrice: IChilkatJsonArray;
priceObj: IChilkatJsonObject;

begin
json := TChilkatJsonObject.Create(Self);

//  The only reason for failure in the following lines of code would be an out-of-memory condition..

//  An index value of -1 is used to append at the end.
index := -1;

success := json.AddStringAt(-1,'Title','The Cuckoo''s Calling');
success := json.AddStringAt(-1,'Author','Robert Galbraith');
success := json.AddStringAt(-1,'Genre','classic crime novel');

//  Let's create the Detail JSON object:
success := json.AddObjectAt(-1,'Detail');
detail := json.ObjectAt(json.Size - 1);
success := detail.AddStringAt(-1,'Publisher','Little Brown');
success := detail.AddIntAt(-1,'Publication_Year',2013);
success := detail.AddNumberAt(-1,'ISBN-13','9781408704004');
success := detail.AddStringAt(-1,'Language','English');
success := detail.AddIntAt(-1,'Pages',494);

//  Add the array for Price
success := json.AddArrayAt(-1,'Price');
aPrice := json.ArrayAt(json.Size - 1);

//  Entry entry in aPrice will be a JSON object.

//  Append a new/empty ojbect to the end of the aPrice array.
success := aPrice.AddObjectAt(-1);
//  Get the object that was just appended.
priceObj := aPrice.ObjectAt(aPrice.Size - 1);
success := priceObj.AddStringAt(-1,'type','Hardcover');
success := priceObj.AddNumberAt(-1,'price','16.65');

success := aPrice.AddObjectAt(-1);
priceObj := aPrice.ObjectAt(aPrice.Size - 1);
success := priceObj.AddStringAt(-1,'type','Kindle Edition');
success := priceObj.AddNumberAt(-1,'price','7.00');

json.EmitCompact := 0;
Memo1.Lines.Add(json.Emit());
end;

 

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