Passing characters – PB Docs 2017
Passing characters Passing chars to WinAPI WinApi characters can have ANSI or Unicode values, while PowerBuilder characters have only Unicode values. ANSI Char values passed to and from WinAPI calls are automatically converted by PowerBuilder. Therefore, when defining character array length, you must always use the PowerBuilder character length (two bytes per character). Passing chars to…
Message object properties – PB Docs 2017
Message object properties The first four properties of the Message object correspond to the first four properties of the Microsoft Windows message structure. Property Datatype Use Handle Integer The handle of the window or control. Number Integer The number that identifies the event (this number comes from Windows). WordParm UnsignedInt The word parameter for the…
Using the ejb2pb170 tool – PB Docs 2017
Using the ejb2pb170 tool You can also use the ejb2pb170 command-line tool to generate proxies. The tool generates: Proxies (.srx files) for the home and remote interfaces of the EJB you specify and for the classes on which the EJB depends. A PowerBuilder structure object named ejbname_ejb_pb_mapping.srs, where ejbname is the name of the EJB. This structure hosts…
Viewing the generated proxies – PB Docs 2017
Viewing the generated proxies The generated proxies display in the System Tree. You can expand the proxy nodes to display the signatures of the methods on the home and remote interfaces for the EJB component, as well as on all the other objects for which proxies were generated. Â Conflicts with reserved words If the…
The automation interface – PB Docs 2017
The automation interface Contents Setting properties Calling functions Qualifying server commands In PowerBuilder, an OLEObject is your interface to an OLE server or ActiveX control. When you declare an OLEObject variable and connect to a server, you can use dot notation for that variable and send instructions to the server. The instruction might be a…
Using the EasySoap Web service engine – PB Docs 2017
Using the EasySoap Web service engine If you decide not to use the .NET SOAP engine, PowerBuilder uses the EasySoap Web service engine. Earlier releases of PowerBuilder supported the EasySoap Web service engine only. Unlike the .NET Web service engine, the EasySoap engine does not support the XML-type array datatype or header sections in SOAP…
Automation and the Any datatype – PB Docs 2017
Automation and the Any datatype Because PowerBuilder knows nothing about the commands and functions of the server application, it also knows nothing about the datatypes of returned information when it compiles a program. Expressions that access properties and call functions have a datatype of Any. You can assign the expression to an Any variable, which…
Assigning firewall settings to access a Web service – PB Docs 2017
Assigning firewall settings to access a Web service When you add a Web service at design time and your development machine is behind a firewall, you must assign proxy server settings to connect to the Internet. The following table displays the design-time proxy server settings that you can enter on the Firewall Settings page of the…
OLEObjects for efficiency – PB Docs 2017
OLEObjects for efficiency When your automation command refers to a deeply nested object with multiple server qualifiers, it takes time to negotiate the object’s hierarchy and resolve the object reference. If you refer to the same part of the object hierarchy repeatedly, then for efficiency you can assign that part of the object reference to…
About building a Web services client – PB Docs 2017
About building a Web services client A PowerBuilder application can act as a client consuming a Web service that is accessed through the Internet. Using SOAP and WSDL, a collection of functions published remotely as a single entity can become part of your PowerBuilder application. A Web service accepts and responds to requests sent by…