global
VARIABLES
The global statement creates one or more global variables.
Parameters
This statement has one parameter:
variables – is a list of variables to be created. Each variable should be separated from the next by a comma. If a variable name contains spaces or punctuation it should be surrounded by chevron (« ») characters.
Description
The global statement creates one or more global variables. Global variables may be used by any procedure, and remain active until you quit from Panorama. Each variable has a name, and can be used to hold pieces of information (numbers, text or binary data).
Panorama keeps all global variables together in a common “pool” that is used by all procedures. If procedure A creates a global variable named myValue, that global variable may be used by all other procedures, in any open database. In fact you must be careful to avoid conflicts when creating global variables. If the name of a global variable in one procedure is the same as the name of a global variable in another procedure (even in a different database) that is used for a different purpose, a conflict will result. Global variable names can also conflict with field names. One solution to variable conflicts between databases is to use the fileglobal statement instead of the global statement.
The example creates two global variables, Channel and Home Timeouts.
global Channel, «Home Timeouts»
You may change the value of a variable with an assignment, like this:
«Home Timeouts»=«Home Timeouts»-1
See Also
- assign( -- assigns a value to a field or variable, also returning the value.
- assignglobal( -- assigns a value to a global variable (creating the variable if necessary).
- cache( -- stores a value in a temporary variable.
- callerslocalvariablevalue( -- allows a subroutine to access a local variable in the procedure that called it.
- cardvalidate -- verifies that a number is a valid credit card number.
- convertvariablestoconstants -- converts all of the variables in a formula into constant values.
- datatype( -- determines what kind of data is in a field or variable: text, number, etc.
- datavalue( -- returns the value of a field or variable: text, number, etc.
- fieldstotextvariables -- copies database fields into variables.
- fileglobal -- creates one or more fileglobal variables.
- fileglobalvalue( -- accesses a fileglobal or permanent variable from other databases.
- globalvalue( -- returns the value of a global variable.
- increment -- increments a field or variable.
- info("callerslocalvariables") -- returns a list of local variables defined in the procedure that called the current procedure.
- info("filevariables") -- builds a carriage return separated text array containing a list of the currently allocated fileglobal variables in the current database.
- info("globalvariables") -- builds a carriage return separated text array containing a list of the currently allocated global variables.
- info("localvariables") -- builds a carriage return separated text array containing a list of the currently allocated local variables.
- labelize( -- returns the value of a field or variable along with a label. This saves typing when you need to display fields or variables when logging and debugging.
- labelizeformula( -- returns the value of a formula along with the formula itself as a label.
- labelizeinfo( -- returns the value of an info( function, along with the function itself as a label.
- local -- creates one or more local variables.
- localparameters -- creates one or more local variables and assigns parameter values to them.
- localvalue( -- returns the value of a local variable.
- makefileglobals -- creates one or more fileglobal variables, and assigns a value to each new variable.
- makeglobals -- creates one or more global variables, and assigns a value to each new variable.
- makelocals -- creates one or more local variables, and assigns a value to each new variable.
- permanent -- creates one or more permanent variables.
- savelocalvariables -- saves local variables as a procedure.
- scopes( -- returns the current scope of a variable, as well as any hidden scopes.
- scopevalue( -- returns the value of a variable in the specified scope.
- setcallerslocal -- allows a subroutine to modify a local variable in the procedure that called it.
- setfileglobal -- sets the value of a fileglobal variable (optionally in another database).
- setfilevariable -- sets the value of a fileglobal variable in another database.
- setpermanentvariable -- sets the value of a permanent variable in another database. The database must be open. An empty value will choose the currently active database.
- setwindowglobal -- sets the value of a windowglobal variable (optionally in another window).
- showvariables -- forces Panorama to update the display of one or more variables on every form in the active database.
- showwindowvariables -- forces Panorama to update the display of one or more variables in the currently active form.
- tokenname( -- returns the name of a field or variable (instead of the value contained in the field or variables).
- undefine -- destroys one or more variables.
- undefinefileglobal -- destroys one or more fileglobal variables.
- undefineglobal -- destroys one or more global variables.
- undefinewindowglobal -- destroys one or more windowglobal variables.
- unpermanent -- converts one or more permanent variables into regular fileglobal variables. The variables will no longer be saved as part of the database.
- windowglobal -- creates one or more windowglobal variables.
- windowglobalvalue( -- accesses a windowglobal variable from other windows.
History
| 10.0 | No Change | Carried over from Panorama 6.0 |