图像处理-01-加载图像文件

加载图像文件

        public Form1()
        {
            InitializeComponent();
            this.pbImage.SizeMode = PictureBoxSizeMode.Zoom;//图像大小按原有比例增大或缩小以适应PictureBox的长宽
        }

        private void btnOpen_Click( object sender, EventArgs e )
        {
            OpenFileDialog openImage = new OpenFileDialog();
            openImage.Title = "请打开图像文件";//弹出对话框的标题
            openImage.Filter = "(图像文件)*.bmp;jpg;jpeg;gif;png|*.bmp;*.jpg;*.jpeg;*.gif;*.png";//打开文件对应的格式
            openImage.InitialDirectory = @"D:/";//设置对话框显示的初始目录为C盘
            openImage.FilterIndex = 1;
            openImage.RestoreDirectory = true;//在关闭对话框前还原当前目录
            if (openImage.ShowDialog() == DialogResult.OK)
            {
                txtImageFilePath.Text = openImage.FileName;//打开图像的完整路劲
                this.pbImage.Image = System.Drawing.Bitmap.FromFile( txtImageFilePath.Text );//加载图像
            }
        }
    }