/// <summary>
/// 指定路径拷贝(复制)文件
/// </summary>
/// <param name="oldPath">原路径</param>
/// <param name="newPath">新路径</param>
public void copyMyFile ( string oldPath, string newPath )
{
	if ( File.Exists ( oldPath ) && !File.Exists ( newPath ) )
	{
		File.Copy ( oldPath, newPath );
		MessageBox.Show ( "拷贝(复制)成功！" );
	}
	else
	{
		MessageBox.Show ( "原路径文件不存在或新路径文件已存在!" );
	}
}