ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Global procedure/function
A global procedure can be used in all the processes or events of the project.
Parameters of a procedure/function
You have the ability to pass parameters to a procedure.
Passing parameters
The parameters can be passed to a procedure...
Parameters of a procedure with a variable number of parameters
When the procedure uses a variable number of parameters, you must be able to handle the different parameters passed to the function in the code of the procedure.
Typecasting of parameters
The description of the parameter type is optional...
Local procedure
Two types of procedures are available...
MemcachedCAS (Function)
Modifies the value of a key if this one was not modified.
MemcachedAddKeyGroup (Function)
Adds a new key/value couple into the Memcached cache on a group of servers....
MemcachedAddSuffixKeyGroup (Function)
Adds a value at the end of existing value in the cache for the given key on a group of servers.
MemcachedModifyKeyGroup (Function)
Modifies a key/value couple in the Memcached cache on a group of servers....
MemcachedIncrementKeyGroup (Function)
Increments the value associated with a key on a group of servers.
MemcachedDeleteKeyGroup (Function)
Deletes a key from the Memcached cache on a group of servers.
MemcachedAssignKeyGroup (Function)
Modifies a key/value couple in the Memcached cache on a group of servers: If the key exists,...
MemcachedDecrementKeyGroup (Function)
Decrements the value associated with a key on a group of servers.
MemcachedCASKeyGroup (Function)
Modifies the value of a key on a group of servers if this one was not modified.
MemcachedAddPrefixKeyGroup (Function)
Adds a value at the start of existing value in the cache for the given key on a group of servers.
MemcacheGet (Function)
Retrieves the values of keys stored on a Memcached server.
MemcachedGetKeyGroup (Function)
Retrieves the values of keys stored on a group of Memcached servers.
HCheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified...
PicOpen (Function)
Opens an image in an Image Editor control.
PicCreate (Function)
Creates an image in the Image Editor control.
PicSave (Function)
Saves the image found: in an Image Editor control. in a WDPic variable....
PicClose (Function)
Closes the image found in an Image Editor control.
XMLOpenReader (Function)
Creates a reader used to read an XML document without loading it in memory.
PDFReaderSeekFirst (Function)
Initializes the search for a text in a PDF file displayed by the PDF Reader control and positions...
PDFReaderSeekNext (Function)
Sets the position on the next result of a search in the content of a PDF Reader control.
PDFReaderSeekPrevious (Function)
Sets the position on the previous result of a search started with PDFReaderSeekFirst in the content...
WaitWindowStart (Function)
Opens the wait window of application.
WaitWindowEnd (Function)
Closes the wait window of application opened by WaitWindowStart.
TreeGetIndex (Function)
Returns the index of an element (node or leaf) in a TreeView control.
WinRefreshVisible (Function)
Modifies or returns the visibility state of the refresh bar in a window.