Various operators

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Overview
Details
The brackets
The square brackets
The comma
The semicolon
The colon
The dot
The double dot
The triple dot
The double slash

WINDEV

WEBDEV

WINDEV Mobile

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See also

List of operators

Various operators

Overview

The various operators group the following operators:


"(" and ")"	The brackets
"[" and "]":	The square brackets
","	The comma
"."	The dot
":"	The colon
";"	The semicolon
".."	The double dot
"..."	The triple dot
"//":	The double slash

Versions 16 and later

This feature is available for Windows Phone applications.

New in version 16

This feature is available for Windows Phone applications.

Versions 17 and later

This feature is available for iPhone/iPad applications.

New in version 17

This feature is available for iPhone/iPad applications.

Versions 18 and later

This feature is available in Windows Store apps mode.

This feature is available in Android Widget mode.

New in version 18

This feature is available in Windows Store apps mode.

This feature is available in Android Widget mode.

This feature is available in Windows Store apps mode.

This feature is available in Android Widget mode.

Details

The brackets

The brackets are used to:

Group the different elements of an operation while specifying the priority order. For example:

IF (A1-B1)*5 THEN...
Specify the different parameters of a WLanguage function. For example:

dCopyBlt(Image1, Image2)

The square brackets

The square brackets are indexing operators. They are used to easily identify the indexed objects.

For example:

Element of an HFSQL Array item. Example:

Customer.Address[1]
Element of an array defined in WLanguage. Example:

MyArray is array of 5 strings
MyArray[1] = "Smith"
Combo Box, List Box, Table, Radio Button or Check Box control in a window. Examples:
- Combo Box control:
  
  MyCombo[1] = "Miami"
- Check Box control:
  
  CheckBox[1] = True

The comma

The comma is used to separate:

Different declarations of variables of the same type performed on the same line. For example:

MyExample1, MyExample2 are strings
The different parameters of a WLanguage function. For example:

dCopyBlt(Image1, Image2)

The semicolon

The semicolon is used to separate the different statements written on the same line. For example:

I, J are int; MyString is string

The colon

The colon is used to access the members and methods of the objects.

A double colon is used to access the global members and the global methods of a class.

The dot

The dot is used to access a sub-element. For example:

Access to a window control: MyWindow.DateEditControl
Access to a global variable of a window: MyWindow.gDuration
Access to a file item: Customer.Name
Access to a table column: Table.Column1
Access to the advanced properties: MygglConnection.Email

The double dot

The double dot is used to access a property of a control, window, report, file, item or variable. For example:

SCROLL_Scrollbar..MaxValue = 200
WIN_ShippingCost..Title = "Window for entering the shipping cost"
MyReport..BottomMargin = 20
MyFont..Name = "Arial"

The triple dot

The "..." operator (triple dot) is used to continue a logical line over the next physical line. For example:

IF (FamilyCode="LV") AND ...
(FamilyCode="MO") THEN
Process
END
STC_Caption = "Enter the "+...
"customer name."

The "..." operator must necessarily be used at the end of a line (and not in the middle of a line).

No character must be found after the "..." operator (except for comments).

From version 12, the "..." operator is no longer required to continue over the next line:

the parameters of functions or procedures

// Procedure prototype
PROCEDURE MyProc(Param1 is int,
param2 is int,
param3 is int)
// Call to a procedure
MyProc(5,
DateToInteger(sGetDate),
0)
// Call to a WLanguage function
Info("a",
"b")
the right operands for the arithmetic and logical operators

// Arithmetic operators (+, -, /, *) and logical operators (AND, OR)
num is int = 5 +
6

Remarks:

The Ctrl + Enter shortcut is used to automatically add the "..." characters before going to the next line.
See Multiline strings for more details.

The double slash

The double slash is used to comment out the text that follows this sign. This text will be ignored when compiling the code and when running the project. For example:

// Performs a search in a string
// Declaration
MyString is string = "WINDEV is great"
// Test
IF Position(MyString, "W")<>0 THEN
Info("Found") // Displays the result
END

To comment out one or several lines of code, press:

Ctrl + / (on the numeric keypad).
Versions 25 and later
Ctrl +: (useful for laptops).
New in version 25
Ctrl +: (useful for laptops).
Ctrl +: (useful for laptops).

To uncomment one or several lines of code, press:

Ctrl + Shift + / (on the numeric keyboard).
Versions 25 and later
Ctrl + Shift +: (useful for laptops).
New in version 25
Ctrl + Shift +: (useful for laptops).
Ctrl + Shift +: (useful for laptops).

Remark: A comment necessarily goes until the end of line.