C#

myMsgBox msg = new myMsgBox;
myMsgBox.Message = "Some message...";
myMsgBox.TopMost = true;
myMsgBox.ShowDialog();

using System;<br />
using System.Runtime.InteropServices;<br />
using System.Drawing;<br />
using System.Collections;<br />
using System.ComponentModel;<br />
using System.Windows.Forms;<br />
using System.Data;<br />
<br />
namespace WindowsApplication1<br />
{<br />
	public class Hi : System.Windows.Forms.Form<br />
	{<br />
		private System.Windows.Forms.Button button1;<br />
		private System.ComponentModel.Container components = null;<br />
<br />
		public Hi()<br />
		{<br />
			InitializeComponent();<br />
		}<br />
<br />
		protected override void Dispose( bool disposing )<br />
		{<br />
			if( disposing )<br />
			{<br />
				if (components != null) <br />
				{<br />
					components.Dispose();<br />
				}<br />
			}<br />
			base.Dispose( disposing );<br />
		}<br />
<br />
		private void InitializeComponent()<br />
		{<br />
			this.button1 = new System.Windows.Forms.Button();<br />
			this.SuspendLayout();<br />
<br />
			this.button1.Location = new System.Drawing.Point(64, 104);<br />
			this.button1.Name = "button1";<br />
			this.button1.TabIndex = 0;<br />
			this.button1.Text = "button1";<br />
			this.button1.Click += new System.EventHandler(this.button1_Click);<br />
			<br />
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);<br />
			this.ClientSize = new System.Drawing.Size(292, 273);<br />
			this.Controls.Add(this.button1);<br />
			this.Name = "Hi";<br />
			this.Text = "Hiiii";<br />
			this.Load += new System.EventHandler(this.Form1_Load);<br />
			this.ResumeLayout(false);<br />
<br />
		}<br />
<br />
		[STAThread]<br />
		static void Main() <br />
		{<br />
			Application.Run(new Hi());<br />
		}<br />
<br />
		[DllImport("user32.dll")]<br />
		public static extern bool SetForegroundWindow(IntPtr hWnd);<br />
<br />
		[DllImport("user32.dll")]<br />
		public static extern IntPtr FindWindow(string lpClassName,<br />
			string lpWindowName);<br />
<br />
		private void button1_Click(object sender, System.EventArgs e)<br />
		{<br />
			System.Threading.Thread.Sleep(10000);<br />
			IntPtr ptr = FindWindow(null, "Hiiii");<br />
			SetForegroundWindow(ptr);<br />
			MessageBox.Show("In fornt");<br />
		}<br />
	}<br />
}

private void dataInvoice_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)<br />
{<br />
MessageBox.Show("Testing");<br />
}