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Version: 2025

WLanguage procedure called by BTLECharacteristicChangeOfValue
Procedure ("Callback") called by BTLECharacteristicChangeOfValue when a characteristic changes on the device. This procedure can be a local, global or internal procedure.
2. Variables
WEBDEV Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
<Window>.ToFile (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the window controls are automatically updated with the values of these controls. This function is also available for WEBDEV pages....
WLanguage procedure called by AppControl
Procedure ("Callback") called by AppliContrôle to process the remote control messages. This procedure can be a local, global or internal procedure.
WLanguage procedure called by OpenDocument
WLanguage procedure ("callback") called by OuvreDocument after the edit window is closed. This procedure can be a local, global or internal procedure.
WLanguage procedure called by AuthIdentify
WLanguage procedure ("Callback") called by AuthIdentify during the authentication.
Control (Type of variable)
The Control type is used to define the characteristics of a control.
PageToSource (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. the value of the WLanguage variables with the value of the page controls....
<Page>.ToSource (Function)
Automatically initializes: the value of the items in a data file with the value of the controls in the page. the value of the WLanguage variables with the value of the page controls....
<Source>.FromPage (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. the value of the WLanguage variables with the value of the page controls....
SourceFromPage (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. the value of the WLanguage variables with the value of the page controls....
ProcedureTrace (Property)
The ProcedureTrace property allows you to specify the name of the WLanguage procedure used to get the headers and data sent.
Handling ListView controls programmatically
WINDEV allows you to programmatically handle ListView controls......
WLanguage procedure called by BTStatus
Procedure ("Callback") called by BTStatus when the Bluetooth activation status changes on the device. This procedure can be a local, global or internal procedure.
Sending and receiving emails
WINDEV, WEBDEV and WINDEV Mobile allow you to directly manage the emails from your applications......
dTransferToImage (Function)
Creates an image from a buffer of pixels encoded in a specific format. This function is an advanced function. This function is mainly used to handle the images returned by external APIs via Image variables....
<Page>.ToFile (Function)
Automatically initializes: the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Page contexts
In a Windows application, the information relative to a window is stored with the window......
2. Variables
WINDEV Mobile Tutorial - WLanguage basics Lesson 2 - Variables - 20 min
PageToFile (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls. the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
WLanguage procedure associated with YesNoAsynchronous
Procedure ("Callback") called by YesNoAsynchronous when the user clicks one of the buttons in the dialog box. This procedure can be a local, global, internal or lambda procedure.
WLanguage procedure called by OKCancelAsynchronous
Procedure ("Callback") called by OKCancelAsynchronous when the user clicks one of the buttons in the dialog box. This procedure can be a local, global, internal or lambda procedure.
WLanguage procedure called by AppleSignIn
Procedure ("Callback") called by AppleSignIn when the Apple authentication result is obtained.
Drawing charts in an Image control
WINDEV and WEBDEV propose several functions for creating and handling charts......
Error 203: The procedure already has a scope attribute (local or global)