ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Underline (Property)
The Underline property is used to: Find out whether a Font variable is underlined. Underline (or not) a Font variable....
<Source>.Flush (Function)
Forces the operating system of the computer where the data files are found to write data onto the disk.
<Source>.CheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
Select query description window: Items that can be used
"Component.WDO" file
When generating the external component, two files are automatically created in the EXE directory of the current project......
TraceEnd (Function)
Closes the trace window if this window was opened or stops saving the trace information in a text file.
InitialFile (Property)
The InitialFile property is used to get the original name of the data file associated to an item in a query.
BottomMargin (Property)
The BottomMargin property is used to: Find out the bottom margin of a report. Modify the bottom margin of a report....
RightMargin (Property)
The RightMargin property is used to: Find out the right margin of a report. Modify the right margin of a report....
LeftMargin (Property)
The LeftMargin property is used to: Find out the left margin of a report. Modify the left margin of a report....
TopMargin (Property)
The TopMargin property is used to: Find out the top margin of a report. Modify the top margin of a report....
SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
<Source>.UnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
Visible (Property)
The Visible property is used to: Find out whether an element is visible. Make an element visible or invisible....
VerticalOrientation (Property)
The VerticalOrientation property is used to: Find out the orientation of a ListView control. Modify the orientation of a ListView control....
ContextExist (Function)
Allows you to find out whether a page context exists on the server (which means whether the page was opened).
LooperModifyLine (Function)
Changes the values of the attributes in a row of a Looper control based on a data file or populated programmatically.
TableSelectToFile (Function)
Positions on the data file record corresponding to a row selected in the multiselection browsing Table control.
FileToMemoryList (Function)
Populates a List Box or Combo Box control programmatically with the records from a data file or query.
HFlush (Function)
Forces the operating system of the computer where the data files are found to write data onto the disk.
Browsing the HFSQL data files
The "Key" items are used to organize the records in a data file in order to optimize the browse or the search......
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
H.VisibleAutoIndexing (Variable)
Indicates whether the indexing window must be displayed during the automatic reindexing of HFSQL data files.
HDBOpenNoLock (Function)
In single-user mode, opens an xBase data file without locking it.
HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....