onBeforeDragIn

fires before a dragged element is moved over the droppable area

function onBeforeDragIn(
    // the drag-n-drop context
    context: object,
    // an HTML event object
    native_event: Event
): void

Example

grid1.attachEvent("onBeforeDragIn", function(context, native_event){
    //... some code here ...
});

Details

The drag-and-drop context can have the following properties:

• from - the source object
• to - the target object
• source - the ID of the dragged item(s)
• target - the ID of the drop target, null for dropping on empty space
• start - the ID from which drag-n-drop was started

See also

Articles

• Drag-and-drop with DataGrid

API

• onBeforeDrag
• onDragOut