Program Execution

Article
06/18/2008

These commands and functions make it possible for you to control how Microsoft Visual FoxPro programs are executed, suspended, and terminated.

Use	To
BUILD APP Command	Create a standard application (.app) file from a Visual FoxPro project.
BUILD DLL Command	Create a single-threaded Windows dynamic-link library (.dll), or Automation server, using class definitions from a Visual FoxPro project.
BUILD EXE Command	Create an executable (.exe) file from a Visual FoxPro project.
BUILD PROJECT Command	Create a Visual FoxPro project table (.pjx) file by opening, processing, and including one or more specified program, menu, report, label, form, or library files in the project.
CANCEL Command	End execution of the current Visual FoxPro program file.
CLEAR Commands	Release the specified item or items from memory.
CLOSE Commands	Close various file types.
COMPILE Command	Compile one or more specified source files and creates an object file for each source file.
CREATE PROJECT Command	Open the Project Manager so you can create a project.
#DEFINE ... #UNDEF Preprocessor Directive	Create and release compile-time constants.
DO Command	Execute a Visual FoxPro program or procedure.
DO FORM Command	Run a compiled form or form set created with the Form designer.
EXECSCRIPT( ) Function	Enable you to run multiple lines of code from variables, tables, and other text at runtime.
FUNCTION Command	Create a user-defined function in a program file. There are two versions of the syntax.
#IF ... #ENDIF Preprocessor Directive	Conditionally includes source code at compile-time.
#INCLUDE Preprocessor Directive	Instruct the Visual FoxPro preprocessor to treat the contents of a specified header file as if it appeared in a Visual FoxPro program.
_INCLUDE System Variable	Specify a default header file included with user-defined classes, forms, or form sets.
LPARAMETERS Command	Assign data passed from a calling program to local variables or arrays.
MESSAGEBOX( ) Function	Display a user-defined dialog box.
MODIFY PROJECT Command	Open the Project Manager so you can modify or create a project file.
PARAMETERS Command	Assign data from a calling program to private variables or arrays.
PARAMETERS( ) Function	Return the number of parameters passed to the most recently called program, procedure, or user-defined function.
PROCEDURE Command	Create a user-defined procedure in a program file. There are two versions of the syntax.
RELEASE PROCEDURE Command	Close procedure files opened with SET PROCEDURE.
RESUME Command	Continue execution of a suspended program.
RETURN Command	Return program control to a calling program.
RUN \| ! Command	Execute external operating commands or programs.
SET ESCAPE Command	Determine whether pressing the ESC key interrupts program and command execution.
SET LIBRARY Command	Open an external API (application programming interface) library file.
SET LOGERRORS Command	Determine whether to send Visual FoxPro compilation error messages to a text file.
SET PROCEDURE Command	Open a procedure file.
SET SYSMENU Command	Enable or disables the Visual FoxPro system menu bar during program execution, and allows you to reconfigure it.
SET UDFPARMS Command	Specify whether Visual FoxPro passes variables by value or by reference to parameters in procedures and user-defined functions (UDFs).
SUSPEND Command	Pause program execution and returns to interactive Visual FoxPro.
SYS(2015) - Unique Procedure Name	Return a unique 10-character procedure name that begins with an underscore followed by a combination of letters and numbers.
WAIT Command	Display a message and pauses Visual FoxPro execution until the user presses a key or clicks the mouse.

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Program Execution

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