pictureBox.image.save方法怎样用

[king19840811]

这样获得文件名后string pictureName = System.IO.Path.GetFileName(pictureopenFileDialog.FileName);
怎样保存到一个文件夹中。

[pp_shy]

Image image = Image.FromFile("图片文件全路径");
image.Save("保存全路径", System.Drawing.Imaging.ImageFormat.Bmp);//第二个参数是保存格式，根据自己需要修改

[net5i]

搂主是不是调用出异常了，而不知道怎么调用？

[king19840811]

老哥我想要picturebox直接保存啊。image.Save("保存全路径", System.Drawing.Imaging.ImageFormat.Bmp);//第二个参数是保存格式，根据自己需要修改
保存全路径可以替换成当前项目的文件夹吗？

[king19840811]

是啊

[slimfeng]

不太明白楼主的意思。
以下代码是msdn中Image类Save方法的例子。

Bitmap image1;

private void Button1_Click(System.Object sender, System.EventArgs e)
{

    try
    {
        // Retrieve the image.
        image1 = new Bitmap(@"C:\Documents and Settings\All Users\" 
            + @"Documents\My Music\music.bmp", true);

        int x, y;

        // Loop through the images pixels to reset color.
        for(x=0; x<image1.Width; x++)
        {
            for(y=0; y<image1.Height; y++)
            {
                Color pixelColor = image1.GetPixel(x, y);
                Color newColor = Color.FromArgb(pixelColor.R, 0, 0);
                image1.SetPixel(x, y, newColor);
            }
        }

        // Set the PictureBox to display the image.
        PictureBox1.Image = image1;

        // Display the pixel format in Label1.
        Label1.Text = "Pixel format: "+image1.PixelFormat.ToString();

    }
    catch(ArgumentException)
    {
        MessageBox.Show("There was an error." +
            "Check the path to the image file.");
    }
}


private void Button5_Click(System.Object sender, System.EventArgs e)
{
    try
    {
        if (image1 != null)
        {
            image1.Save("c:\\myBitmap.bmp");
            Button5.Text = "Saved file.";
        }
    }
    catch(Exception)
    {
        MessageBox.Show("There was a problem saving the file." +
            "Check the file permissions.");
    }

}

[slimfeng]

保存路径是可以设置的。
以下是msdn中Image类Save方法的调用例子。

Bitmap image1;

private void Button1_Click(System.Object sender, System.EventArgs e)
{

    try
    {
        // Retrieve the image.
        image1 = new Bitmap(@"C:\Documents and Settings\All Users\" 
            + @"Documents\My Music\music.bmp", true);

        int x, y;

        // Loop through the images pixels to reset color.
        for(x=0; x<image1.Width; x++)
        {
            for(y=0; y<image1.Height; y++)
            {
                Color pixelColor = image1.GetPixel(x, y);
                Color newColor = Color.FromArgb(pixelColor.R, 0, 0);
                image1.SetPixel(x, y, newColor);
            }
        }

        // Set the PictureBox to display the image.
        PictureBox1.Image = image1;

        // Display the pixel format in Label1.
        Label1.Text = "Pixel format: "+image1.PixelFormat.ToString();

    }
    catch(ArgumentException)
    {
        MessageBox.Show("There was an error." +
            "Check the path to the image file.");
    }
}

private void Button5_Click(System.Object sender, System.EventArgs e)
{
    try
    {
        if (image1 != null)
        {
            image1.Save("c:\\myBitmap.bmp");
            Button5.Text = "Saved file.";
        }
    }
    catch(Exception)
    {
        MessageBox.Show("There was a problem saving the file." +
            "Check the file permissions.");
    }

}


 

[slimfeng]

网络太慢，还以为第一次没有回复成功，发了两次。
请楼主参考。

[king19840811]

这上面查了。保存的时候提示是GUI+发生一般性错误不知道啥意思

[net5i]

噢，呵呵，我就知道搂主保存bmp有异常

[net5i]

搂主可以看看我在下面贴中的详尽代码回复：
http://topic.csdn.net/u/20081206/09/9a28f8b3-48de-499c-83b7-54e0b4499b93.html

[king19840811]

啥原因啊 string pictureName = System.IO.Path.GetFileName(pictureopenFileDialog.FileName);
this.pictureBox.Image.Save(@"c:\xxx.bmp");我这样用的能行吗

[net5i]

搂主去掉：System.IO.Path.GetFileName就可以了：
this.pictureBox.Image.Save(pictureopenFileDialog.FileName);