lyfz_repos/铂金版源码/LYFZ.NeroDiscBurn/ChooseSpeed.cs

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using NEROLib;

namespace LYFZ.NeroDiscBurn.NET
{
	/// <summary>
	/// Summary description for ChooseSpeedForm.
	/// </summary>
	public class ChooseSpeedForm : System.Windows.Forms.Form
	{
		public NeroDrive m_drive;
		private bool m_bWriteSpeeds;

		private _INeroDriveEvents_OnDoneCDInfoEventHandler m_evOnDoneCDInfo;
		private ControlEnabler m_controlEnabler;

		private System.Windows.Forms.Button c_OK;
		private System.Windows.Forms.Button c_Cancel;
		private System.Windows.Forms.Label label1;
		private SpeedComboBox c_Speeds;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public ChooseSpeedForm(NeroDrive drive, bool bWriteSpeeds)
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			m_drive = drive;
			m_bWriteSpeeds = bWriteSpeeds;
			m_controlEnabler = new ControlEnabler (this);
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.c_OK = new System.Windows.Forms.Button();
			this.c_Cancel = new System.Windows.Forms.Button();
			this.c_Speeds = new SpeedComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// c_OK
			// 
			this.c_OK.DialogResult = System.Windows.Forms.DialogResult.OK;
			this.c_OK.Location = new System.Drawing.Point(144, 8);
			this.c_OK.Name = "c_OK";
			this.c_OK.TabIndex = 2;
			this.c_OK.Text = "OK";
			// 
			// c_Cancel
			// 
			this.c_Cancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
			this.c_Cancel.Location = new System.Drawing.Point(144, 40);
			this.c_Cancel.Name = "c_Cancel";
			this.c_Cancel.TabIndex = 3;
			this.c_Cancel.Text = "Cancel";
			// 
			// c_Speeds
			// 
			this.c_Speeds.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
			this.c_Speeds.Location = new System.Drawing.Point(8, 24);
			this.c_Speeds.Name = "c_Speeds";
			this.c_Speeds.Size = new System.Drawing.Size(121, 21);
			this.c_Speeds.TabIndex = 1;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(100, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "Speeds:";
			// 
			// ChooseSpeedForm
			// 
			this.AcceptButton = this.c_OK;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.CancelButton = this.c_Cancel;
			this.ClientSize = new System.Drawing.Size(226, 72);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.c_Speeds);
			this.Controls.Add(this.c_OK);
			this.Controls.Add(this.c_Cancel);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "ChooseSpeedForm";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "Choose Speed";
			this.ResumeLayout(false);

		}
		#endregion

		protected override void OnLoad(EventArgs e)
		{
			base.OnLoad (e);

			// The same form is used both for read and write speeds.
			// 
			this.Text = m_bWriteSpeeds? "Choose write speed:": "Choose read speed:";

			// Disable all form controls and display wait cursor.
			// 
			c_Speeds.Items.Clear ();
			m_controlEnabler.EnableAllControls (false);
			this.Cursor = Cursors.WaitCursor;

			// Subscribe to event and do a disc info.
			// 
			m_evOnDoneCDInfo = new _INeroDriveEvents_OnDoneCDInfoEventHandler(m_drive_OnDoneCDInfo);
			m_drive.OnDoneCDInfo += m_evOnDoneCDInfo;
			m_drive.CDInfo (0);
		}

		public new string ToString ()
		{
			return c_Speeds.ToString ();
		}

		public int GetSpeed ()
		{
			return c_Speeds.GetSpeed ();
		}

		private void m_drive_OnDoneCDInfo(INeroCDInfo pCDInfo)
		{
			// Unsubscribe from event, get the speeds and populate the
			// speeds combobox with it.
			// 
			m_drive.OnDoneCDInfo -= m_evOnDoneCDInfo;

			NERO_MEDIA_TYPE nmt = pCDInfo != null? pCDInfo.MediaType: NERO_MEDIA_TYPE.NERO_MEDIA_NONE;
			NeroSpeeds speeds = m_drive.get_AvailableSpeeds (m_bWriteSpeeds? NERO_ACCESSTYPE.NERO_ACCESSTYPE_WRITE: NERO_ACCESSTYPE.NERO_ACCESSTYPE_READ, nmt);

			c_Speeds.Populate (speeds);

			this.Cursor = Cursors.Default;
			m_controlEnabler.EnableAllControls (true);
		}
	}
}