Re: image manipulation
 

ok
if we suggest that the result is an integer; Is the code above "the message box" have the ability to display it?

Re: image manipulation
 

It has the ability obviously. But how can you convince that NAN is a number? It is not a number.

Re: image manipulation
 

i dont know if you solved this but, the pixels in the images are like an array so it starts and 0 and ends and the length-1 (-1 becuase its starts at 0, and lenth is the count)

for(i=0;i<=a.Height-1;i++)
{
for(j=0;j<=a.Width-1;j++)
{