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2d array throws an exception, out of bound and cannot assign values?

Time:04-05

            SolidColorBrush White = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));

            SolidColorBrush[,] UPPSide = new SolidColorBrush[3, 3];
        for(int i = 0; i < 3; i  )
        {
            for(int j = 0; i <3; j  )
            {
                UPPSide[i, j] = White;
            }
        }

        List<SolidColorBrush[,]> theCube = new List<SolidColorBrush[,]> { UPPSide, FRTSide, DWNSide, BCKSide, LFTSide, RGTSide };

This is one of the sides of the Rubik's cube, i declared "white" as the color and made a 2d array [3*3] to assign the colors in so i could rotate it, but there was an out of bound exception, I don't realise what the problem is though. Please let me know if i phrased anything unclear, not a good question maker. edited enter image description here

i think thats the program running and stopped

CodePudding user response:

The reason for the "out of bounds" exception is because you have a typo on your inner for loop. You wrote i <3 instead of j <3.

Change it to this:

for(int i = 0; i < 3; i  )
{
    for(int j = 0; j <3; j  )
    {
        UPPSide[i, j] = White;
    }
}
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