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封鎖 >IConnectionChecker >canConnectWithReason
IConnectionChecker.canConnectWithReason() 方法
檢查目前的連線是否能與目標連線連線,並在發生問題時傳回錯誤代碼。
Signature:
canConnectWithReason(a: Connection | null, b: Connection | null, isDragging: boolean, opt_distance?: number): number;
參數
參數 |
類型 |
說明 |
a |
連繫 |空值 |
連線檢查相容性。 |
b |
連繫 |空值 |
連線檢查相容性。 |
isDragging |
布林值 |
如果是以拖曳區塊的方式建立連線,則為「true」。 |
opt_distance |
數字 |
(選用) 拖曳檢查的連線所允許的最大距離。 |
傳回:
數字
Connection.CAN_CONNECT 如果連線有效,則會顯示錯誤代碼。
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上次更新時間:2025-07-28 (世界標準時間)。
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-07-28 (世界標準時間)。"],[],["The `canConnectWithReason` method assesses the compatibility of two connections (`a` and `b`). It takes these connections, a boolean `isDragging` indicating a drag action, and an optional `opt_distance` parameter for drag distance checks. It returns a numerical value, either `Connection.CAN_CONNECT` for legal connections or a different error code indicating the problem. The connections being assessed could also be null.\n"]]