ondragstart event
Fires on the source object when the user starts to drag a text selection or selected object.
Syntax
| HTML Attribute | <element ondragstart = "handler(event)"> |
| Event Property | object.ondragstart = handler; |
| attachEvent Method | object.attachEvent("ondragstart", handler) |
| addEventListener Method | object.addEventListener("dragstart", handler, useCapture) |
Event information
| Synchronous | No |
| Bubbles | Yes |
| Cancelable | Yes |
Event handler parameters
- pEvtObj [in]
Type: IHTMLEventObj
Standards information
There are no standards that apply here.
Remarks
The HTMLOptionButtonElementEvents::ondragstart event is the first to fire when the user starts to drag the mouse. It is essential to every drag operation, yet is just one of several source events in the data transfer object model. Source events use the IHTMLDataTransfer::setData method of the dataTransfer object to provide information about data being transferred. Source events include HTMLOptionButtonElementEvents::ondragstart, HTMLOptionButtonElementEvents::ondrag, and HTMLOptionButtonElementEvents::ondragend.
When dragging anything other than an img object, some text to be dragged must be selected.
Calls the associated event handler.
To invoke this event, do one of the following:
- Drag the selected text or object.
See also
Reference
HTMLOptionButtonElementEvents::ondrop
Conceptual