| DataHub APIs for C++, Java, and .NET : Version 6.4 | ||
|---|---|---|
 | Chapter 3. Standard Java Applets |  |
| DataHub APIs for C++, Java, and .NET : Version 6.4 | ||
|---|---|---|
| | Chapter 3. Standard Java Applets | |
DataHubViewer — makes a TCP connection to the DataHub, displaying all available data in a table.
This applet is a DataHubBaseApplet, and therefore makes a TCP connection to the DataHub. It displays a four-column table in the browser showing the current values of every data point it is managing. The status of the connection is shown in text above the first line of the table.
| Parameter | Type | Default | Description |
|---|---|---|---|
| colwidths | string | null | If specified, this is a list of 4 numbers separated by a single space character. Each number specifies the width in pixels of the corresponding column in the data table. |
| login | boolean | false | If true, the applet will display a user name and password dialog, and will send authentication information to the DataHub. |
| Inherited | - | - | All parameters from DataHubBaseApplet. |
| |  | |
| DataHubTrend |  | Chapter 4. The DataHubConnector Class |
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