ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
Errors while managing tables
When an HFSQL function fails (returns False for example), the corresponding error number is returned by HError......
Providing an image per DPI
On mobile, when displaying images, each device has its own physical size and its own graphic resolution......
Report viewer: "Export" pane
The "Export" pane in the report viewer allows you to perform the following operations......
Starting WDOptimizer in a command line
iPrintXLS (Function)
Prints the current worksheet of a document in "xlsx" or "xls" format.
RowDetailsBinding (Property)
The RowDetailsBinding property allows you to identify and modify the data binding used to display the details of a row in a data-bound Table control.
<PDF reader>.GetSignature (Function)
Gets the signature of a PDF document as a buffer.
HCreateView (Function)
Creates an HFSQL view. This function uses the former view mechanism....
WDADMINEXE: Information on the latest available update
The "Setup" tab of WDADMINEXE contains information regarding the last available update of the application......
PDF Reader control functions
The following functions are used to manage PDF Reader controls:...
Creating index keywords
Index keywords allow users to easily find a help page......
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
Principle of remote check
SynchroHFSQL (Property)
The SynchroHFSQL property is used to: know how to refresh a data-bound Table control linked to an HFSQL Client/Server table. specify the refresh mode of a Table control bound to an HFSQL Client/Server table....
NullSupported (Property)
The NullSupported property is used to manage the NULL value in HFSQL tables.
PDFOpen (Function)
Opens a PDF document and loads it in a pdfDocument variable.
<Source>.ReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
Managing the load balancing (dynamic load balancing on server)
The server that is hosting a HFSQL database engine can be very busy......