manages the data of the chart. More...
import "XChartData.idl";
Public Member Functions | |
| void | addChartDataChangeEventListener ([in] com::sun::star::chart::XChartDataChangeEventListener aListener) |
| allows a component supporting the XChartDataChangeEventListener interface to register as listener. | |
| void | removeChartDataChangeEventListener ([in] com::sun::star::chart::XChartDataChangeEventListener aListener) |
| removes a previously registered listener. | |
| double | getNotANumber () |
| boolean | isNotANumber ([in] double nNumber) |
| checks whether the value given is equal to the indicator value for a missing value. | |
Public Member Functions inherited from XInterface | |
| any | queryInterface ([in] type aType) |
| queries for a new interface to an existing UNO object. | |
| void | acquire () |
| increases the reference counter by one. | |
| void | release () |
| decreases the reference counter by one. | |
| void addChartDataChangeEventListener | ( | [in] com::sun::star::chart::XChartDataChangeEventListener | aListener | ) |
allows a component supporting the XChartDataChangeEventListener interface to register as listener.
The component will be notified with a ChartDataChangeEvent every time the chart's data changes.
| aListener | the component that is to be added as listener |
| double getNotANumber | ( | ) |
In IEEE arithmetic format it is one of the NaN values, so there are no conflicts with existing numeric values.
| boolean isNotANumber | ( | [in] double | nNumber | ) |
checks whether the value given is equal to the indicator value for a missing value.
In IEEE arithmetic format it is one of the NaN values, so there are no conflicts with existing numeric values.
Always use this method to check, if a value is not a number. If you compare the value returned by XChartData::getNotANumber() to another double value using the = operator, you may not get the desired result!
TRUE if the number given is interpreted by the chart as a missing value.| nNumber | the number that you want to check for validity. |
| void removeChartDataChangeEventListener | ( | [in] com::sun::star::chart::XChartDataChangeEventListener | aListener | ) |
removes a previously registered listener.
| aListener | the component that is to be removed |