C#: Create Bitmap Image

private Bitmap CreateBitmapImage(string sImageText)
{
        Bitmap objBmpImage = new Bitmap(1, 1);
   
       int intWidth = 0;
       int intHeight = 0;
  
       // Create the Font object for the image text drawing.
       Font objFont = new Font("Arial", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
 
       // Create a graphics object to measure the text's width and height.
       Graphics objGraphics = Graphics.FromImage(objBmpImage);
     
       // This is where the bitmap size is determined.
       intWidth = (int)objGraphics.MeasureString(sImageText, objFont).Width;
       intHeight = (int)objGraphics.MeasureString(sImageText, objFont).Height;
  
       // Create the bmpImage again with the correct size for the text and font.
       objBmpImage = new Bitmap(objBmpImage, new Size(intWidth, intHeight));
  
       // Add the colors to the new bitmap.
       objGraphics = Graphics.FromImage(objBmpImage);
  
       // Set Background color
      objGraphics.Clear(Color.White);
       objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
      objGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
       objGraphics.DrawString(sImageText, objFont, new SolidBrush(Color.FromArgb(102, 102, 102)), 0, 0);
       objGraphics.Flush();
  
       return (objBmpImage);
  }