Saving image to file(将图像保存到文件)
问题描述
我正在开发一个基本的绘图应用程序.我希望用户能够保存图像的内容.
I am working on a basic drawing application. I want the user to be able to save the contents of the image.
我认为我应该使用
System.Drawing.Drawing2D.GraphicsState img = drawRegion.CreateGraphics().Save();
但这并不能帮助我保存到文件.
but this does not help me for saving to file.
推荐答案
您可以尝试使用这种方法保存图像
You could try to save the image using this approach
SaveFileDialog dialog=new SaveFileDialog();
if (dialog.ShowDialog()==DialogResult.OK)
{
int width = Convert.ToInt32(drawImage.Width);
int height = Convert.ToInt32(drawImage.Height);
Bitmap bmp = new Bitmap(width, height);
drawImage.DrawToBitmap(bmp, new Rectangle(0, 0, width, height));
bmp.Save(dialog.FileName, ImageFormat.Jpeg);
}
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