Book Contents

Connections for the Chart ActiveX control

The following table shows the connections for the Chart ActiveX control.

Connections

Descriptions

Redraw

Required

This connection draws the chart object on each transition from zero to non-zero.

The connection is read-only.

The connection data type is Analog or Boolean.

Clear

Optional

This connection clears the chart area on each transition from zero to non-zero.

The connection is read-only.

The connection data type is Analog or Boolean.

Data_Source

Required

This connection contains the root tag of the chart UDT instance. The UDT must match the definition in the section About User-defined Data Type, otherwise, errors return.

The connection is read-only.

Tag placeholders are not supported.

ErrorCode

Optional

This connection allows the application to manage errors that occur with the chart control configuration.

The connection is write-only.

The connection data type is Integer.

ErrorMessage

Optional

This connection shows the text messages associated with ErrorCode.

The connection is write-only.

The connection data type is String.

See also

Chart ActiveX control

Error codes and error messages