HGetCurrentPosition (Function) Returns the approximate position of current record in the data file. <Source>.GetCurrentPosition (Function) Returns the approximate position of current record in the data file. <Source>.SetPosition (Function) Sets the position on a record, based on the approximate position of one of its items. HSetPosition (Function) Sets the position on a record, based on the approximate position of one of its items. Using the advanced types The advanced types (XLS variables, ggl variables, ...... BitcoinCoreBlockCount( Function) Returns the size of the blockchain known by the Bitcoin node (i.e. the number of blocks created since January 3, 2009). This makes it possible, for example, to calculate the approximate date of the next halving. Type inference The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...... Different types of data (Type of variable) A variable is defined by name and type...... Typecasting of parameters The description of the parameter type is optional...... Global and local variable Two types of variables are available...... EmailReset (Function) Resets all the variables of the email structure or all the variables of an Email variable. Declaring and using a variable A variable is defined by name and type...... Buffer (Type de variable) The buffer type corresponds to a binary memory area.... Reading an email This help page explains how to read an email from a WINDEV application and how to display its content in a WINDEV application.... TreeView Table control based on a variable A TreeView Table control based on a variable is a control bound to a variable or a set of variables...... EmailBuildSource (Function) Generates the source code of the email message to be sent from the variables in the Email structure or in an Email variable. Warning 124: Shadowing a global variable LineSpacing (Property) The LineSpacing property gets and sets the line spacing for variables of type Font. Writing an email Writing an email in WLanguage consists in filling the email structure of WLanguage...... EmailImportSource (Function) Populates an Email variable using the content of its Source property or the different variables of the email structure using the content of the Email.Source variable. Overview Overview of the different operators... Variable scope Variables can be declared anywhere in the code.... How to create and handle a structure? This help page explains how to create and handle a structure.... How to manage a combination through programming? A combination is a type of variabble containing a list of values.... How to manage enumerations programmatically?