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I want to pass the value of red pixel(in array) to another array in another form.But I cant able to make picturebox image global. so that i cant able to pass the values.while attempting to do this i am getting "Invalid operation exception"object reference not set to the instance of the object.Please help me to sort this out.
Posted 19-Mar-13 18:46pm

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Solution 1

There are no such things as "global" variables in .NET.

Without seeing your code, it's impossible to tell you specifically what your doing wrong. But, in general, that error says that you tried to either call a method or get/set a property on a null object.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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