如何在C#中获取图像的DPI

Question

我如何使用asp.net C# 获取图像的 dpi

Answer 1

Image.Horizo​​ntalResolution 和 Image.VerticalResolution 怎么样？像这样：

System.Drawing.Image image = System.Drawing.Image.FromFile("TestImage.bmp");
var dpiX = image.HorizontalResolution;
var dpiY = image.VerticalResolution;

Answer 2

答案在这个中说明帖子，其代码来自此处 ：

using System;
using System.Drawing;

namespace BitmapDpi
{
    class Program
    {
        static void Main(string[] args)
        {
            Bitmap bmp = new Bitmap("winter.jpg");
            Console.WriteLine("Image resolution: " + bmp.HorizontalResolution + "DPI");
        }
    }
}