ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

IBANValid (Function)
Checks the validity of an International Bank Acount Number (IBAN).
ArcCos (Function)
Returns the arc cosine of a numeric value (integer or real).
ArcSin (Function)
Returns the arc sine of a numeric value (integer or real).
ArcTan (Function)
Returns the arc tangent of a numeric value (integer or real).
Exp (Function)
Calculates the exponential of a numeric value (reverse of Napierian logarithm).
Ln (Function)
Calculates the Napierian logarithm (reverse of exponential) of a numeric value.
TreeCount (Function)
Returns the number of elements found in a branch of a TreeView control.
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
tapiCallerID (Function)
Used to find out the calling phone number (the one that calls).
SMSNbMessage (Function)
Returns the number of SMS messages stored on an Android phone.
HRead (Function)
Reads a record in a file according to a given record number.
xlsNbColumn (Function)
Returns the number of columns found in a worksheet of an XLS file.
WindowCount (Function)
Calculates the number of windows currently opened in the current application.
UnitedStates.CheckSSN (Function)
Checks the validity of a U.S. Social Security Number.
UnitedStates.CheckEIN (Function)
Checks the validity of a U.S. Employer Identification Number.
Germany.CheckIdNr (Function)
Checks the validity of an IdNr (personal identification number in Germany).
Canada.CheckSIN (Function)
Checks the validity of a Canadian Social Insurance Number (SIN).
DateToDateInYear (Function)
Returns the number of the day in the year corresponding to a given date.
<Type Date>ToDayInYear (Function)
Returns the number of the day in the year corresponding to a given date.
Parameters of a procedure with a variable number of parameters
When the procedure uses a variable number of parameters, you must be able to handle the different parameters passed to the function in the code of the procedure....
What is a database?
A database is an organized collection of data for a particular purpose (e.g., manage orders)......
gglPhoneNumber (Type of variable)
The gglPhoneNumber type is used to describe and modify the phone number of a contact...
ListInfo (Function)
Retrieves the characteristics of a WLanguage list: types of elements and number of elements.
SchedulerChangeMode (Function)
Modifies the period (which means the number of days) displayed by a Scheduler control.
NumberColumn (Property)
The NumberColumn property is used to get and change the number of columns of an element.