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(How do I) If pixel on thispos is blue, press Down key?

Daan van Dugteren

If a pixel on a certain position of my screen is blue, press the down key.
How do I code this?

1 Reply

Know the answer? Post it — somebody with the same question will find it here.

//It is pure idea
private void Form1_MouseMove(object sender, MouseEventArgs e)
        {
            if (this.BackgroundImage != null)
            {
                Color underColor = ((Bitmap)this.BackgroundImage).GetPixel(e.X, e.Y);
                if (underColor == Color.Blue)
                {
                    OnKeyDown(new KeyEventArgs(Keys.Down));
                }
            }
        }

If you want to get color from any place on screen - I think you should use Windows API....