53 lines
1.9 KiB
C#
53 lines
1.9 KiB
C#
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using System;
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using System.Windows.Forms;
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using System.Windows.Input;
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namespace ImageCatalog_2.Commands
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{
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/// <summary>
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/// Helper class to bind WinForms Button controls to ICommand implementations
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/// </summary>
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public static class ButtonCommandBinder
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{
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/// <summary>
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/// Binds a Button's Click event to an ICommand
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/// </summary>
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/// <param name="button">The button to bind</param>
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/// <param name="command">The command to execute</param>
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/// <param name="commandParameter">Optional parameter to pass to the command</param>
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public static void BindCommand(this Button button, ICommand command, object commandParameter = null)
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{
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if (button == null) throw new ArgumentNullException(nameof(button));
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if (command == null) throw new ArgumentNullException(nameof(command));
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// Wire up the Click event to execute the command
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button.Click += (sender, e) =>
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{
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if (command.CanExecute(commandParameter))
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{
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command.Execute(commandParameter);
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}
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};
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// Wire up CanExecuteChanged to enable/disable the button
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command.CanExecuteChanged += (sender, e) =>
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{
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button.Enabled = command.CanExecute(commandParameter);
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};
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// Set initial enabled state
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button.Enabled = command.CanExecute(commandParameter);
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}
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/// <summary>
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/// Binds multiple buttons to commands at once
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/// </summary>
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public static void BindCommands(params (Button button, ICommand command, object parameter)[] bindings)
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{
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foreach (var (button, command, parameter) in bindings)
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{
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button.BindCommand(command, parameter);
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}
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}
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}
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}
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