dragEnter

Type

message

Summary

Sent when the mouse pointer moves into an object during a drag and drop.

Syntax

dragEnter

Description

Handle the dragEnter message to perform an action (for example, display a special cursor or set the acceptDrop property) when the mouse pointer enters an object.

The dragEnter message is sent only when a drag and drop operation is in progress.

If two controls overlap, a dragEnter message is sent whenever the mouse pointer crosses into a visible portion of a control. The control on the bottom receives a dragEnter message only when the mouse pointer enters part of the control that can be seen. A control that is completely hidden by another control on top of it will never receive a dragEnter message.

tip

Use the mouseLoc function to determine where the mouse pointer is. Use the target function to determine which control the mouse pointer has entered.

Examples

on dragEnter -- show a green outline around the drop target
  set the borderColor of the target to "green"
end dragEnter

Related

property: allowableDragActions, acceptDrop

control structure: function

function: mouseLoc, target

glossary: property, control, mouse pointer, message, drag and drop, object

message: dragMove, mouseEnter, dragLeave, dragStart

Compatibility and Support

Introduced

LiveCode 2.0

OS

mac

windows

linux

Platforms

desktop

server