Image帮助类

快速读取图像文件的高度和宽度

/// <summary>
/// 快速读取图像文件的高度和宽度
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
public static string GetImageSize(string fileName)
{
    using (var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
    {
        var frame = System.Windows.Media.Imaging.BitmapFrame.Create(stream, System.Windows.Media.Imaging.BitmapCreateOptions.DelayCreation, System.Windows.Media.Imaging.BitmapCacheOption.None);
        var width = frame.PixelWidth;
        var height = frame.PixelHeight;
        return $"{width}*{height}";
    }
}

Image帮助类

原文：https://www.cnblogs.com/wesson2019-blog/p/14156259.html