showAbout

Category: Application Control

Namespace: web.app.showAbout

Description

Display the application's About dialog showing version information, copyright, license details, and other application metadata. This is a built-in dialog provided by WebExeBuilder.

Syntax

await web.app.showAbout();

Parameters

None

Returns

Promise<void> - Resolves when the dialog is closed

Example

Simple example

await web.app.showAbout();

Practical example

document.getElementById('about-menu').addEventListener('click', async () => {
    await web.app.showAbout();
});

Advanced example

async function showHelpMenu() {
    const menu = [
        { label: 'Documentation', action: () => openDocs() },
        { label: 'Check for Updates', action: () => checkUpdates() },
        { label: 'About', action: async () => await web.app.showAbout() }
    ];
    
    // Show menu and handle selection
    const selected = await showContextMenu(menu);
    if (selected && selected.action) {
        await selected.action();
    }
}

Use Cases

Add About menu item to Help menu
Show version information to users
Display copyright and license details
Provide support contact information
Show application credits
Display build number and version
Keyboard shortcut (F1, Ctrl+?)
Context menu About option

Error Handling

This method does not throw errors. The dialog will display with available information.

Performance Tips

Call when user requests (don't show automatically)
No need to cache or check state
Dialog is modal and blocks until closed
Lightweight operation

web.app.licenseInfo() - Get license details programmatically
web.app.registrationName() - Get registered user
web.app.packageName() - Get package type

Notes

Shows built-in About dialog
Includes version, copyright, and license info
Modal dialog (blocks until closed)
Automatically includes WebExeBuilder branding
Customize by configuring project properties