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Editorial Team
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Asked: 2026-06-01T13:12:00+00:00

There’s a control with a png as its background. And it may be clicked

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There’s a control with a png as its background. And it may be clicked on by mouse and I wanna do sth. according to the color of the clicked point. How can I get the color? Thanks.

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  1. Editorial Team

    Well, from the mouse click event argument e, you can get the Point with the exact co-ordinates of the click:

    Point clickPoint = e.GetPosition(cntrlWithPNGasBackground);

    Presumably, you can then grab the colour of the image at that position using something like:

    System.Drawing.Image _image = cntrlWithPNGasBackground.BackgroundImage;
Bitmap _bitmap = new Bitmap(image);
Color _color = _bitmap.GetPixel(Point.x, Point.y);

    Not the most efficient thing, but it gets the job done.

    See:

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