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error 404 dragEnter | revDocs | RunRev
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Product Edition
Version
dragEnter
Basics
Expander triangle
Type
Message
Syntax

dragEnter

Introduced
2.0
Environment
Desktop,Server
Platform Support
MacOS,Mac OS X,Windows,Linux
Security
None required
Summary
Sent when the mouse pointer moves into an object during a drag and drop.
Examples

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

Additional Comments
Expander triangle

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.

Comments:

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 targetfunction to determine which control the mouse pointer has entered.

User Comments
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