WebMessageReceived

PowerScript event

Description

Occurs when a message sent by JavaScript on the web is
received.

You can send a message from Web (JavaScript) to the PowerBuilder
application (PowerScript) by executing the following JavaScript on the
web:

window.chrome.webview.postMessage(`SetTitleText ${titleText.value}`);

1	window.chrome.webview.postMessage(`SetTitleText ${titleText.value}`);

window.webBrowser.postMessage(`SetTitleText ${titleText.value}`);

1	window.webBrowser.postMessage(`SetTitleText ${titleText.value}`);

Syntax

WebMessageReceived (string uri, boolean isJson, string webmessage)

1	WebMessageReceived (string uri, boolean isJson, string webmessage)

Event ID

Event ID	Objects
None	Webbrowser controls

Arguments

Argument	Description
uri	The URI of the DOM webpage that sends this message.
isJson	Whether the message is in the JSON format. TRUE indicates that the message is in the JSON format; FALSE indicates the message is not in the JSON format.
webmessage	The received message, which can be in the JSON format or a string.

Argument

Description

uri

The URI of the DOM webpage that sends this
message.

isJson

Whether the message is in the JSON
format.

TRUE indicates that the message is in the JSON
format; FALSE indicates the message is not in the JSON
format.

webmessage

The received message, which can be in the JSON format
or a string.

Return Values

None

Examples

This example shows how a message sent by JavaScript on the web is
received.

//webmessagereceived(string uri, Boolean isjson, string webmessage)
//window.chrome.webview.postMessage('getweburl:' + document.URL)
If Len(WebMessage) &gt; 0 Then
 Choose Case Left(WebMessage, Pos(WebMessage,":"))
  Case 'getweburl:'
   w_message lw_msg
   OpenWithParm( lw_msg, uri )
  Case Else
   //
 End Choose
End If