Grayed (Property) The Grayed property is used to: Determine if a control (or a group of controls) is grayed out. Gray out or ungray a control, a group of controls or a window.... ControlGrayed (Function) Grays a control or a group of controls. An animation can be set on the controls during this operation. StyleDrawCaptionGrayed (Function) Customizes how text is drawn in grayed out controls. NULL values in HFSQL WINDEV, WEBDEV and WINDEV Mobile allow you to manage the NULL value in the items of HFSQL data files and for all the other types of accesses (Native, OLE DB, ...... FileToPage (Function) Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... <Page>.FromFile (Function) Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible). the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... Screen,Selection (External language) Modifies the status of a control (invisible, active, inactive, grayed) 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).... <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).... FileToScreen (Function) Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... <Source>.ToPage (Function) Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... <Window>.FromFile (Function) Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... PageFromSource (Function) Automatically updates the controls of a page with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).... MenuSelectMinus (Function) Disables (grays out) a menu option (popup menu or drop-down menu). Range Area chart The Range Area chart is used to show a variation between a high and a low value...... HsMenu,Status (External language) Returns the status of a menu option (active, invisible, grayed). LoWord (Function) Returns the two low bytes of an integer. BTLEConnect (Function) Used to connect to a Bluetooth Low Energy device. BTLEDisconnect (Function) Used to disconnect from a Bluetooth Low Energy device. <btleDevice variable>.Connect (Function) Used to connect to a Bluetooth Low Energy device. <btleDevice variable>.Disconnect (Function) Used to disconnect from a Bluetooth Low Energy device. BTLEInitializeDevice (Function) Initializes a Bluetooth Low Energy device in Windows. <btleDevice>.Initialize (Function) Initializes a Bluetooth Low Energy device in Windows. BTLECharacteristicWriteValue (Function) Writes a value to a characteristic on a Bluetooth Low Energy device. BTLECharacteristicReadValue (Function) Reads the value of a characteristic on a Bluetooth Low Energy device.