Handling an HTML control by programming

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HTML control

Handling an HTML control by programming

Overview

Displaying an information in an HTML control

Retrieving the value of an HTML control

Retrieving the HTML code from an HTML control

Navigating in an HTML control

Properties specific to the HTML controls

See also

The HTML control

Handling an HTML control by programming

Overview

The HTML control can be handled by programming. To do so, use the variable of the HTML control in the code. The variable of HTML control corresponds to the name of HTML control. The variable type is a character string.

Versions 16 and later

The HTML controls are now available for the Android applications.

The HTML controls are now available for the Windows Phone applications.

New in version 16

The HTML controls are now available for the Android applications.

The HTML controls are now available for the Windows Phone applications.

The HTML controls are now available for the Android applications.

The HTML controls are now available for the Windows Phone applications.

Versions 17 and later

The HTML controls are now available for the iPhone/iPad applications.

New in version 17

The HTML controls are now available for the iPhone/iPad applications.

An HTML control can be programmed in server code only if the control is defined as being "Dynamic" ("Details" tab in the description window of the control).
Caution: When the control is defined as being a dynamic control, it can only be assigned by programming.

Displaying an information in an HTML control

HTML control found in a window

To display an information in an HTML control, a simple assignment is sufficient.

Some examples:

Direct assignment:

HTM_WebPage = "http://www.windev.com"
Assignment by variable:

HTM_WebPage = MyDisplayedPage

Note: If the control is associated with an item of a data file, the assignment is automatically performed by using FileToScreen. You also have the ability to use the following notation: CustomerName = CUSTOMER.NAME. See Linking an HTML control to an item for more details.

HTML control found in a page (server code)

To display an information in an HTML control, a simple assignment is sufficient.

Some examples:

Direct assignment:

HTM_WebPage = "Name of Web user"

HTM_Site = [
<A href="http://www.windev.com" target="_blank"> PC SOFT</A>
]
Assignment by variable:

HTM_WebPage = MyPage
Assignment by calculation:

HTM_Name = "Customer name: " + NoSpace(CUSTOMER.LASTNAME) + TAB + NoSpace(CUSTOMER.FIRSTNAME)

You also have the ability to use ..Value.

Retrieving the value of an HTML control

Window control

To retrieve the content of an HTML control:

A simple assignment is sufficient. For example:

ContentCurrentPage = HTM_WEBPAGE
Use ..Value.
..Value returns the URL of the site but it cannot return the HTML code assigned to the control.

Note: If the control is associated with a data file item, the value entered is automatically retrieved by using ScreenToFile. You also have the ability to use the following notation: CUSTOMER.NAME = Edit1. See Linking an HTML control to an item for more details.

Page control

To retrieve the content of an HTML control (the user can enter data in the control):

A simple assignment is sufficient. For example:

HTMLContent = HTM_HTMLControl
Use ..Value.

Retrieving the HTML code from an HTML control

Window control

To retrieve the HTML code found in an HTML control, use ..DisplayedValue. This property is used to retrieve the HTML code found in the BODY of the HTML page.

Navigating in an HTML control

Window control

HTMLNavigate is used to start a specific operation in an HTML control. You have the ability to use the FORWARD, BACK, REFRESH and START buttons of the browser.

Versions 16 and later

BrowserRunApp is used to display an HTML page in the browser of the computer.

New in version 16

BrowserRunApp is used to display an HTML page in the browser of the computer.

Properties specific to the HTML controls

The following properties are used to manage the characteristics of an HTML control by programming.


Versions 18 and later WithZoom New in version 18 WithZoom WithZoom	Allows you to find out whether the user can perform a zoom in an HTML control found in an Android, iPhone or iPad application.
Type	Used to find out the type of object.
Value	Used to find out and modify the value of a control.
DisplayedValue	Used to find out the HTML code found between the <BODY> and </BODY> tags.
InitialValue	Used to find out the initial value of a window control.

To find out the entire list of WLanguage properties that can be used with an HTML control, see Properties associated with an HTML control.