using System;
using System.Windows.Forms;

namespace NeroFiddlesCOM.NET
{
	/// <summary>
	/// Summary description for ControlEnabler.
	/// </summary>
	public class ControlEnabler
	{
		private Form m_form;
		private bool [] m_bControlStates = null;

		public ControlEnabler(Form form)
		{
			m_form = form;
		}
		
		public void EnableAllControls (bool bEnable)
		{
			if (bEnable)
			{
				if (m_bControlStates != null)
				{
					// Restore state of each form control.
					// 
					int i = 0;
					foreach (Control ctrl in m_form.Controls)
					{
						ctrl.Enabled = m_bControlStates[i];
					}
				}
			}
			else
			{
				// Allocate an array big enough to store enable states
				// for all controls on a form.
				// 
				m_bControlStates = new bool[m_form.Controls.Count];

				// Store states for all controls in an array and
				// disable each of them.
				// 
				int i = 0;
				foreach (Control ctrl in m_form.Controls)
				{
					m_bControlStates[i] = ctrl.Enabled;
					ctrl.Enabled = false;
				}
			}
		}	
	}
}