ChartDirector 7.1 (C++ Edition)
ImageMapHandler.getValue
Usage
const char *getValue(const char *key);
Description
Gets the value of an attribute of the current hot spot by using its key.
Each hot spot is associated with an arbitrary number of attributes, in which each attribute consists of a key and a value. This method returns the value of the attribute given the key.
Arguments
| Argument | Default | Description |
| key | (Mandatory) | A text string representing the key of the attribute. |
Return Value
A string representing the value of the attribute, or null if there is no such attribute.
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