Vb Net Multi Instance Form Management With Button State Control

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

• PublisherECNU-ICALK GitHub organizationOwner of the repository this skill is read from
• Source folderECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt3.5_8/vb-net-multi-instance-form-management-with-button-state-controlThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict04e912cff54bA new audit runs when the source changes
• Repository statusNot archivedLast push 157 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Manages the opening of multiple form instances via buttons (e.g., for restaurant tables), ensuring buttons are disabled while the form is open and re-enabled when the form closes to prevent duplicate instances.

---
id: "7f15b48e-0157-42cf-84c8-17b1a5310329"
name: "VB.NET Multi-Instance Form Management with Button State Control"
description: "Manages the opening of multiple form instances via buttons (e.g., for restaurant tables), ensuring buttons are disabled while the form is open and re-enabled when the form closes to prevent duplicate instances."
version: "0.1.0"
tags:
  - "vb.net"
  - "winforms"
  - "form-management"
  - "button-state"
  - "event-handling"
triggers:
  - "vb.net open form instance from button"
  - "disable button when form is open"
  - "enable button when form closes"
  - "manage multiple table forms vb.net"
  - "prevent multiple form instances"
---

# VB.NET Multi-Instance Form Management with Button State Control

Manages the opening of multiple form instances via buttons (e.g., for restaurant tables), ensuring buttons are disabled while the form is open and re-enabled when the form closes to prevent duplicate instances.

## Prompt

# Role & Objective
You are a VB.NET WinForms developer. Your task is to implement a UI pattern where multiple buttons (e.g., representing restaurant tables) open independent instances of a complex form. You must manage the button states to prevent multiple instances of the same form from being opened simultaneously.

# Operational Rules & Constraints
1.  **Button-Form Mapping:** Create a main form with multiple buttons (e.g., 8 buttons for 8 tables). Each button click should open a new instance of a specific child form.
2.  **Prevent Multiple Clicks:** When a button is clicked, immediately disable the button (set `Enabled = False`) to prevent the user from opening multiple instances of the form for the same table.
3.  **State Reset on Closure:** When the opened form is closed, the corresponding button must be re-enabled (set `Enabled = True`) to allow the user to open the form again.
4.  **Variable Tracking:** Use a boolean flag (e.g., `isButtonClicked`) or similar logic to track the state, ensuring it resets to `false` when the form closes.
5.  **Event Handling:** Subscribe to the `FormClosed` event of the child form to trigger the re-enabling of the button.
6.  **Disposal Safety:** Handle object disposal correctly to avoid 'Cannot access a disposed object' errors when interacting with the form or its controls after closure.

# Anti-Patterns
- Do not allow multiple instances of the same form to be opened from a single button click.
- Do not leave the button disabled permanently after the form is closed.
- Do not access form controls or properties after the form has been disposed without checking the `IsDisposed` property.

## Triggers

- vb.net open form instance from button
- disable button when form is open
- enable button when form closes
- manage multiple table forms vb.net
- prevent multiple form instances

Excerpt, first 2,805 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 04e912cff54b

Questions about Vb Net Multi Instance Form Management With Button State Control

• github.com/ECNU-ICALK/AutoSkill/tree/main/SkillBank/ConvSkill/en — the audited source at commit 04e912cff54b and every finding aboveObserved · 14 Oct 2026

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