C# - create gif (animationframes) from multiple pictures

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C#

image

GIF

Hey Community,
Im trying to take x pictures with the same size, lets assume 500x500
and put them together as a final image in a animated gif style.

I already managed the other way around, means to extract all frames from an
gif file to an array:

Image[] getFrames(Image originalImg)
    {

        int numberOfFrames = originalImg.GetFrameCount(FrameDimension.Time);
        Image[] frames = new Image[numberOfFrames];
        for (int i = 0; i < numberOfFrames; i++)
        {
            originalImg.SelectActiveFrame(FrameDimension.Time, i);
            frames[i] = ((Image)originalImg.Clone());
        }

        return frames;
    }

But there is no function within the Image class which is like "AddFrame(Image img)"
So how am I supposed to create such a thing ?

Some Pseudo Code for the idea behind:

void createFromFrames(string path, Image[] frames)
{        
	Image img;  
	...  create it          
	foreach(Image f in frames)
	{
		img.AddFrame(f);
	}

	... save it
}

,greetings

What I have tried:

I searched in the web, searched in the classes but no result -