c# 控件截圖的簡單實(shí)例

2020-01-24 03:07:16

字體：大中小

供稿：網(wǎng)友

首先選擇保存圖片的路徑：

saveFileDialog1.Title = "保存";
            saveFileDialog1.Filter = "*.png|*.png";
            saveFileDialog1.RestoreDirectory = true;
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                timer1.Enabled = true;
            }

其次保存控件圖片（為了等待savedialoge控件完全關(guān)閉，使用timer延緩）：

復(fù)制代碼代碼如下:

timer1.Enabled = false;
            Bitmap bit = new Bitmap(this.Width, this.Height);//實(shí)例化一個(gè)和窗體一樣大的bitmap
            Graphics g = Graphics.FromImage(bit);
            g.CompositingQuality = CompositingQuality.HighQuality;//質(zhì)量設(shè)為最高
            //g.CopyFromScreen(this.Left, this.Top, 0, 0, new Size(this.Width, this.Height));//保存整個(gè)窗體為圖片
            g.CopyFromScreen(chartType.PointToScreen(Point.Empty), Point.Empty, chartType.Size);//只保存某個(gè)控件
            bit.Save(saveFileDialog1.FileName);//默認(rèn)保存格式為PNG，保存成jpg格式質(zhì)量不是很好
            if (File.Exists(saveFileDialog1.FileName.ToString()))
            {
                MessageBox.Show("截圖成功！");
                return;
            }