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emptyAreaMouseDown

Description​

Fires when a pointing device button is pressed while the pointer is over an empty space in the current diagram area

Usage​

emptyAreaMouseDown: (event: MouseEvent) => void;

Parameters​

The callback of the event takes the following parameter:

  • event - (required) a native HTML event object

Example​

// initializing Diagram
const diagram = new dhx.Diagram("diagram_container", {
    type: "default"
});
// loading data
diagram.data.parse(data);

// attaching a handler to the event
diagram.events.on("emptyAreaMouseDown", (e) => {
    console.log("emptyAreaMouseDown");
});

Change log: Added in v4.1

Related article: Event handling

Related samples: