Declarations in the VB module are converted to declarations in the form

option explicit statement.

Used at the module level to force all variables in the module to be explicitly declared.

Declarations for standard modulesDeclarations in standard modules You have to add a module first.

Form module declarations are to be declared in the form's Generic --Declarations.

A class module is the same as a standard module, and to declare it in a class module, you have to add a class module first.

A new module can be declared, just like the others.

It's all in the head, in the module, in the form, the head of the class module is written clearly.

Just add the module where you added the form.

Click the button in the upper left corner of the standard module to select the standard module The form declaration area is the area above the form load, and you can also select the general and declaration through the two selection boxes.

Remember to adopt it.

The public functions in the module can be called in any form, do you have any difficulties?

If there is an option explicit statement at the beginning, put it underneath.

If not, it's the front of the form area.

General Notices section.

Double-click on the control to go to the "General Declarations Section".

The first y can be called in various procedures.

The second can only be used in its own process.

dim x as integer

private sub command1_click()print x

print y

end sub

private sub form_load()dim y as integer

x = 2y = 3

end sub

One is a global variable and one is a local variable.

First of all, make sure that the declaration of the function is public, that is, public, if it is private, it will not work. Then, in the form, you can use it in the following way: module name. Function name, if you hope it helps.