/// <summary>
/// Unregister a command.
/// </summary>
/// <param name="cmdId">Command identifier</param>
/// <param name="cmd">The UI component</param>
public void UnregisterCommand(string cmdId, ICommandComponent cmd)
{
if (registeredCommands.ContainsKey(cmdId) && cmd != null)
{
var al = (ArrayList)registeredCommands[cmdId];
al.Remove(cmd);
}
}
/// <summary>
/// Register a GUI component that implements ICommandComponent that
/// visual state (Enabled, Checked, Visible) have to be controlled by
/// the Application.
/// </summary>
/// <param name="cmdId">A command identifier. Multiple commands that executes the same action should have the same identifier.
/// They will be switched all to the same state on every state change request.</param>
/// <param name="cmd">The UI component.</param>
public void RegisterCommand(string cmdId, ICommandComponent cmd)
{
ArrayList al;
if (registeredCommands.ContainsKey(cmdId))
{
al = (ArrayList)registeredCommands[cmdId];
}
else
{
al = new ArrayList(1);
registeredCommands.Add(cmdId, al);
}
al.Add(cmd);
}