WYSIWYG Progress Circle for .NET Framework (C#)

private void btnFindFileAndLoad_Click(object sender, EventArgs e)
{
    this.progressCircle1.Visible = true;
    this.progressCircle1.Rotate = true;
    Application.DoEvents();  //process message queue
    LoadMyFile(str_FileDirectory_and_FileName);  //runs for 20sec
	
    this.progressCircle1.Visible = false;
    this.progressCircle1.Rotate = false;
}