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blockly > IConnectionChecker > canConnect
IConnectionChecker.canConnect() method
Check whether the current connection can connect with the target connection.
Signature:
canConnect(a: Connection | null, b: Connection | null, isDragging: boolean, opt_distance?: number): boolean;
Parameters
| Parameter |
Type |
Description |
| a |
Connection | null |
Connection to check compatibility with. |
| b |
Connection | null |
Connection to check compatibility with. |
| isDragging |
boolean |
True if the connection is being made by dragging a block. |
| opt_distance |
number |
(Optional) The max allowable distance between the connections for drag checks. |
Returns:
boolean
Whether the connection is legal.
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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18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."],[[["`IConnectionChecker.canConnect()` determines if two connections, represented by `a` and `b`, can be connected."],["This method considers the connections themselves, whether a block is being dragged (`isDragging`), and optionally a maximum allowed distance (`opt_distance`)."],["It returns `true` if the connection is permitted and `false` otherwise."]]],[]]
