lookup_var

The lookup_var function updates the contents of a token variable.

 

Syntax

void lookup_var(
    PMODULE_VAR  module_var
    );

 

Members

Parameters	Description
module_var	Pointer to a MODULE_VAR structure, containing the token variable to update.

Return Values

This function does not return a value.

 

Example

MODULE_VAR gs_var = {VOR1_GS_FLAG}; 
    Void update_routine() 
    { 
        lookup_var(&gs_var); 
        if(gs_var.var_value.n == 0) 
        { 
            HIDE_IMAGE((&gs_slider)); 
            HIDE_IMAGE((&gs_background)); 
        } 
        else 
        { 
            SHOW_IMAGE((&gs_slider)); 
            SHOW_IMAGE((&gs_background)); 
        } 
    'Include other update code
    }

Remarks

Before using the contents of a module variable, you must call the lookup_var function.

 

See Also

• Low Level API
• Token Variables