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

using System.Runtime.InteropServices;

namespace MCI_test_mciSendString
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{

	//	MCIERROR mciSendString(
	//		LPCTSTR lpszCommand,  
	//		LPTSTR lpszReturnString,  
	//		UINT cchReturn,       
	//		HANDLE hwndCallback   
	//		);

		[DllImport("winmm.dll")]
		public static extern int mciSendString(
			string lpszCommand,  
			string lpszReturnString,  
			uint cchReturn,       
			IntPtr hwndCallback   
			);

		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox textCmdString;
		private System.Windows.Forms.Button buttonDoIt;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <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.label1 = new System.Windows.Forms.Label();
			this.textCmdString = new System.Windows.Forms.TextBox();
			this.buttonDoIt = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(24, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(144, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "Enter Command String";
			// 
			// textCmdString
			// 
			this.textCmdString.Location = new System.Drawing.Point(24, 56);
			this.textCmdString.Name = "textCmdString";
			this.textCmdString.Size = new System.Drawing.Size(304, 20);
			this.textCmdString.TabIndex = 1;
			this.textCmdString.Text = "";
			// 
			// buttonDoIt
			// 
			this.buttonDoIt.Location = new System.Drawing.Point(32, 112);
			this.buttonDoIt.Name = "buttonDoIt";
			this.buttonDoIt.Size = new System.Drawing.Size(128, 23);
			this.buttonDoIt.TabIndex = 0;
			this.buttonDoIt.Text = "Execute Command";
			this.buttonDoIt.Click += new System.EventHandler(this.buttonDoIt_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(360, 173);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.buttonDoIt,
																		  this.textCmdString,
																		  this.label1});
			this.Name = "Form1";
			this.Text = "Test MCI Command Strings";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void buttonDoIt_Click(object sender, System.EventArgs e)
		{
			string sCmd = textCmdString.Text;
			int error = mciSendString(sCmd, null, 0, IntPtr.Zero);
			if (error != 0)
				MessageBox.Show("Could not send this Command String", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
			textCmdString.Text = "";
			textCmdString.Focus();	
		}
	}
}