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blockly > IDragTarget > onDragEnter
IDragTarget.onDragEnter() method
Handles when a cursor with a block or bubble enters this drag target.
Signature:
onDragEnter(dragElement: IDraggable): void;
Parameters
| Parameter |
Type |
Description |
| dragElement |
IDraggable |
The block or bubble currently being dragged. |
Returns:
void
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eonDragEnter\u003c/code\u003e method is triggered when a draggable element (block or bubble) enters the boundaries of a drag target.\u003c/p\u003e\n"],["\u003cp\u003eThis method receives the currently dragged element (\u003ccode\u003eIDraggable\u003c/code\u003e) as an argument to allow for custom handling based on the dragged item.\u003c/p\u003e\n"],["\u003cp\u003eThe method does not return any value (\u003ccode\u003evoid\u003c/code\u003e) and primarily serves to initiate visual or logical responses upon drag enter.\u003c/p\u003e\n"]]],["The `onDragEnter` method, part of the `IDragTarget` interface, manages the event when a dragged element (either a block or bubble) enters the target area. It accepts a single parameter, `dragElement`, which is an `IDraggable` object representing the item being dragged. This method's core action is handling the entry, and it does not return any value, as indicated by the `void` return type.\n"],null,["[blockly](./blockly.md) \\\u003e [IDragTarget](./blockly.idragtarget_interface.md) \\\u003e [onDragEnter](./blockly.idragtarget_interface.ondragenter_1_methodsignature.md)\n\nIDragTarget.onDragEnter() method\n--------------------------------\n\nHandles when a cursor with a block or bubble enters this drag target.\n\n**Signature:** \n\n onDragEnter(dragElement: IDraggable): void;\n\nParameters\n----------\n\n| Parameter | Type | Description |\n|-------------|-------------------------------------------------|----------------------------------------------|\n| dragElement | [IDraggable](./blockly.idraggable_interface.md) | The block or bubble currently being dragged. |\n\n**Returns:**\n\nvoid"]]
