Windows Forms Application C++ .net 2003

wael_r

Pleaseeeeeeeeee can any one help me to declare public struct or variable to use in all the forms in "Windows Forms Application C++" ex: i want to declare a connection and use it in all the forms. i want to declare a structure and use it in all the forms.

Lost User

Declare it as static class member in one of the classes.

Stuart Dootson

In a .h file (let's call it my_global_struct.h):

#if !defined(__my_global_struct_h__)
#define __my_global_struct_h__

struct my_global_struct
{
// put whatever you want in the struct here
};

extern my_global_struct;

#endif // !defined(__my_global_struct_h__)

In a .cpp file (let's call it my_global_struct.cpp):

#include my_global_struct.h
my_global_struct;

#include my_global_struct.h into any files that need to see the global struct variable.

Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p

wael_r

Thank you very much for your reply but i need to user the same structure with the filled values in other form.

Stuart Dootson

And there's nothing in my answer preventing you from doing so

Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p

wael_r

Thanks again, I tried your solution but may i need another thing. Ex: struct ggg{ int i; int j; }test; in the first form1 i put "test fff;" fff.i=1; in the second form i want to use the value of the same structure fff. Ex: i want in the form2 to give the value of fff.i to another variable in form2; any solution? really i spend one day on this. :sigh:

Stuart Dootson

wael_r wrote:

in the first form1 i put "test fff;"

If you put test fff; in the form, then it's a member of the form class. So, you'd need to access it using an instance of the first form. If you want to share fff across all instances of form1 and form2, then you could make fff a static (or class-wide) member[^] of form1 - like this:

class Form1
{
// Other stuff
public: static test fff;
};

In Form1, you need to have a definition for fff (hte above is just the declaration like this:

test Form1::fff = { 1, 2 };

In form2, you can access it like this (I'm doing it in the constructor):

Form2::Form2()
{
this->other_variable = Form1::fff.i;
}

Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p