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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Declaring the functions of the Windows API
Syntax for declaring the functions of the Windows API
API (Function)
Runs a function found in an external DLL.
Value of constants for the Windows 32-bit API
Value of constants for the Windows 32-bit API
Instance (Function)
Returns the "system handle" (HINSTANCE) of the current program.
CallDLL32 (Function)
Runs a function found in an external DLL.
dModifySaturation (Function)
Modifies the saturation of an image found: in an Image control, in an Image variable....
DateTimeLocalToUTC (Function)
Converts a local date and time (time zone, summer time, winter time) to UTC.
dModifyLightness (Function)
Changes the lightness of an image found: in an Image control, in an Image variable....
grAutoRefreshSeries (Function)
Identifies or defines whether a series is refreshed whenever the chart is drawn.
iImageWidth (Function)
Calculates the width of the image to print (in millimeters).
iHLine (Function)
Prints a horizontal line at specified coordinates.
iVLine (Function)
Prints a vertical line at specified coordinates.
HExtractMemo (Example)
Usage example of the HExtractMemo function
Array (Type of variable)
An array is a structured type that is used to group a set of elements of the same type...
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....
Constants used by the TraceStart function
List of constants used by the TraceStart function....
Queue (Type of variable)
A Queue variable is a structured type that groups a set of elements of the same type.
Seek (Function)
Searches for the index of an element in a WLanguage array.
Logical operators
The logical operators are as follows......
Handling the external files
WINDEV, WINDEV Mobile and WEBDEV propose several functions allowing you to manage the external files from your WINDEV/WINDEV Mobile applications or from your WEBDEV sites......
ArraySeek (Function)
Searches for the index of an element in a WLanguage array.
eCurrencyName (Function)
Returns the caption of a currency.
HFilterIdentical (Function)
Defines and enables a filter used to find the exact value of a string item.
HPass (Function)
Defines the password used to create or open a data file.
EmailReadLast (Function)
Reads the last incoming email according to the protocol used (POP3 or IMAP, MS Exchange, Lotus Notes or Outlook).
HCheckStructure (Function)
Defines the mode for comparing data files.
HLockRecNum (Function)
Locks a record and restricts the access to this record for all the other applications.
HChangeName (Function)
Modifies the physical name of a data file.
SocketChangeTransmissionMode (Function)
Changes the transmission mode used on a socket.