ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

How to create an SQL query to get a sum?
This help page explains how to create a Sum query with the query editor....
<btleCharacteristic variable>.WriteValue (Function)
Writes a value to a characteristic on a Bluetooth Low Energy device.
<btleCharacteristic variable>.ReadValue (Function)
Reads the value of a characteristic on a Bluetooth Low Energy device.
<btleDescriptor variable>.WriteValue (Function)
Writes the value of a descriptor to a Bluetooth Low Energy device.
<btleDescriptor variable>.ReadValue (Function)
Reads the value of a descriptor on a Bluetooth Low Energy device.
<Spreadsheet>.Seek (Function)
Seeks a value in the cells of a Spreadsheet control found in a window.
VariantConvert (Function)
Converts the value stored in a Variant variable].
CookieRead (Function)
Retrieves the value of a cookie saved on the computer of Web user.
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.
LDAPAddAttribute (Function)
Adds an attribute or adds a new value to an existing attribute.
StoredValue (Property)
The StoredValue property gets and sets the stored value of an element.
MemcachedCASKeyGroup (Function)
Modifies the value of a key on a group of servers if this one was not modified.
FinLinearRedemption (Function)
Calculates the value of linear amortization of a product over a specific period of time.
The "Waterfall" charts
The "Waterfall" chart is a bar chart used to represent the positive or negative additions of several categories......
LooperModifyLine (Function)
Changes the values of the attributes in a row of a Looper control based on a data file or populated programmatically.
Variant (Type of variable)
The Variant type is used to: store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ... store named or indexed subelements. store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists. handle the NULL value in WLanguage. store interactions with ActiveX objects and Automation programming....
fResourceDir (Function)
Returns the path of the read-only resources of the application.
Screen,ScreenToFile (External language)
Initializes the file items with the value of the window controls bound to these items.
TableSearchChild (Function)
Searches for a value in a column of a TreeView Table control, in a specified branch.
WebserviceParameter (Function)
Gets the value of a parameter in a call to a SOAP or REST Webservice request.
InitialValue (Property)
The InitialValue property is used to get and/or change an initial value....
ValuePerStar (Property)
The ValuePerStar property gets and sets the value of a star in a Rating control.
MemcachedModifyKeyGroup (Function)
Modifies a key/value couple in the Memcached cache on a group of servers....
<Chart>.LineThickness (Function)
Retrieves and/or modifies the value of the line thickness in a Line chart....