dragenter
Overview Table
Synchronous | No |
---|---|
Bubbles | No |
Target | dom/Element |
Cancelable | No |
Default action | ? |
This example shows when and where each event fires during a drag-and-drop operation by listing each event and the name of the object firing it in a list box.
<HEAD>
<SCRIPT>
// Code for dynamically adding options to a select.
function ShowResults()
{ // Information about the events
// and what object fired them.
arg = event.type + " fired by " + event.srcElement.id;
var oNewOption = new Option();
oNewOption.text = arg;
oResults.add(oNewOption,0);
}
</SCRIPT>
</HEAD>
<BODY>
<P>Source events are wired up to this text box.</P>
<INPUT ID=txtDragOrigin VALUE="Text to Drag"
ondragstart="ShowResults()"
ondrag="ShowResults()"
ondragend="ShowResults()"
>
<P>Target events are bound to this text box.</P>
<INPUT ID=txtDragDestination VALUE="Drag Destination"
ondragenter="ShowResults()"
ondragover="ShowResults()"
ondragleave="ShowResults()"
ondrop="ShowResults()"
>
<SELECT ID=oResults SIZE=30>
<OPTION>List of Events Fired
</SELECT>
</BODY>
Notes
Remarks
You can handle the ondragenter event on the source or on the target object. Of the target events, it is the first to fire during a drag operation. Target events use the getData method to stipulate which data and data formats to retrieve. The list of drag-and-drop target events includes:
When scripting custom functionality, use the returnValue property to disable the default action. Calls the associated event handler. To invoke this event, do one of the following:
- Drag the selection over a valid drop target within the client.
- Drag the selection to a valid drop target within another window.
Syntax
Standards information
There are no standards that apply here.
Event handler parameters
- pEvtObj [in]
- Type: ****IHTMLEventObj****
Attributions
Microsoft Developer Network: [Windows Internet Explorer API reference Article]