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blockly > Events > Selected > (constructor)
Events.Selected.(constructor)
Constructs a new instance of the Selected class
Signature:
constructor(opt_oldElementId?: string | null, opt_newElementId?: string | null, opt_workspaceId?: string);
Parameters
| Parameter |
Type |
Description |
| opt_oldElementId |
string | null |
(Optional) The ID of the previously selected element. Null if no element last selected. Undefined for a blank event. |
| opt_newElementId |
string | null |
(Optional) The ID of the selected element. Null if no element currently selected (deselect). Undefined for a blank event. |
| opt_workspaceId |
string |
(Optional) The workspace identifier for this event. Null if no element previously selected. Undefined for a blank event. |
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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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18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."],[],["The `Selected` class constructor creates a new instance, capturing element selection changes. It accepts optional parameters: `opt_oldElementId` (ID of the previously selected element, can be null), `opt_newElementId` (ID of the currently selected element, can be null), and `opt_workspaceId` (the workspace's identifier). Null values indicate no element was previously or is currently selected, while undefined indicates a blank event. These parameters detail the selection change and its context within a specific workspace.\n"]]
