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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
Link functions (prefix syntax)
Link functions are used to link the interface with the data files (and vice versa)....
<Source>.UnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
<Source>.UnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
KeyPressed (Function)
Checks which key is pressed.
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
PopupClose (Function)
Hides a popup displayed in the page via PopupDisplay.
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
fClose (Function)
Closes an external file.
The Tab control
The Tab control is used to simultaneously display different controls......
Link functions
Link functions are used to link the interface with the data files (and vice versa). These functions are as follows:...
.NET application
To create a.NET application from a project......
ToolTipDelay (Function)
Used to modify: the timeout before displaying the tooltips. the display duration of the tooltips....
<Image>.ModifySaturation (Function)
Changes the saturation of an image in an Image control.
<Image>.ModifyHue (Function)
Changes the hue of an image in an Image control.
<Image>.ModifyHSL (Function)
Modifies the hue, the saturation and the lightness of an image in an Image control.
<Image>.ModifyLightness (Function)
Modifies the lightness of an image contained in an Image control.
<picLayer variable>.DrawCircle (Function)
Draws a circle or an ellipse in a picLayer variable.
<picLayer variable>.DrawChord (Function)
Draws the chord of a circle (intersection between an ellipse and a straight line) in a picLayer variable.
<WDPic variable>.DrawPoint (Function)
Draws a point in a WDPic variable.
<WDPic variable>.DrawText (Function)
Draws a text in a WDPic variable.
<picLayer variable>.DrawTextRTF (Function)
Draws an RTF text in a picLayer variable.
Project comparator
Comparing two windows (two pages, two reports, two classes, ......
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal window, internal page, control template or supercontrol. This function is kept for backward compatibility.
Using several libraries in an application
A library is a WDL file that contains all the resources......