While converting the image to bitmap I am getting parameter is not valid. How to resolve this issue.?

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C#

The image i trying to convert into bitmap is of size 36.7 MB and having dimensions
29696 x 4381.

I am posting my code below:

What I have tried:

try
{

FileStream fs = new FileStream(FilePath,FileMode.Open,FileAccess.Read);

               System.Drawing.Image objImage = System.Drawing.Image.FromStream(fs);//From File

               int height = objImage.Height;//Actual image width
               int width = objImage.Width;//Actual image height
               LineNumber = 1;


               System.Drawing.Bitmap bitmapimage = new System.Drawing.Bitmap(objImage, width, height);// create bitmap with same size of Actual image.Getting error on this line

}
catch(Exception ex)
{
}