Excuse me:
Nonvisualobject object of A derived class A, A, in another nonvisualobject derived class B as the input parameters in the function of m,
After B instantiate the object B, calls the function m problem, error as shown in figure

Class B normal elsewhere instantiation is no problem, is called function m complains,
The whole project full build through, no error or warning
Version PB8.0, a great god glad!

CodePudding user response:

CodePudding user response:

This is what features do, have never seen this kind of error

CodePudding user response:

refer to the second floor xiajinxian response:

this is do what function, have never seen this kind of error

A C/S in instant messaging chat program, there are three custom class, one class of objects, as a function of input parameters in another class
Immediately once the function is used, an error, but separate instantiate these classes, there is no problem,

CodePudding user response:

What do you using server-side, EASERVER?

CodePudding user response:

M a function call before you make sure that as a class instance is effective and correct

CodePudding user response:

Isnull - isvalid - the classname try, if still an error, check whether the program is running after A class load library files are dynamic removed,