Searches for an element among the children by the tag, and returns the first occurrence.

Syntax

C#
public HtmlElement FindChildByTag( string tag, int number )

Parameters

tag

Type: System.String

Tag for search the element.

number

Type: System.Int32

The document address.

Return Value

Type: Zennolab.CommandCenter.HtmlElement

The first element that matches the conditions defined by the tag, if found; otherwise, the result is void.

Remarks

If html element was not found then this method returns the HtmlElement object in which IsVoid or IsNill property is "true".

Example

The following code example demonstrates uses of the FindChildByTag method.

C#	Copy Code
public static int Execute(Instance instance, IZennoPosterProjectModel project) { // clear cookie instance.ClearCookie(); // go to lessons.zennolab.com Tab tab = instance.MainTab; if ((tab.IsVoid) \|\| (tab.IsNull)) return -1; if (tab.IsBusy) tab.WaitDownloading(); tab.Navigate("lessons.zennolab.com"); if (tab.IsBusy) tab.WaitDownloading(); // find element by id HtmlElement he = tab.FindElementById("main"); // find child element by tag HtmlElement heCh = he.FindChildByTag("input:checkbox", 0); return 0; }

Copy Code

public static int Execute(Instance instance, IZennoPosterProjectModel project)
{
    // clear cookie
    instance.ClearCookie();
    
    // go to lessons.zennolab.com
    Tab tab = instance.MainTab;
    if ((tab.IsVoid) || (tab.IsNull)) return -1;
    if (tab.IsBusy) tab.WaitDownloading();
    tab.Navigate("lessons.zennolab.com");
    if (tab.IsBusy) tab.WaitDownloading();
    
    // find element by id
    HtmlElement he = tab.FindElementById("main");
    
    // find child element by tag
    HtmlElement heCh = he.FindChildByTag("input:checkbox", 0);
    
    return 0;
}

PHP	Copy Code
public static function Execute($instance, $project) { // clear cookie $instance->ClearCookie(); // go to lessons.zennolab.com $tab = $instance->MainTab; if (($tab->IsVoid) \|\| ($tab->IsNull)) return -1; if ($tab->IsBusy) $tab->WaitDownloading(); $tab->Navigate("lessons.zennolab.com"); if ($tab->IsBusy) $tab->WaitDownloading(); // find element by id $he = $tab->FindElementById("main"); // find child element by tag $heCh = $he->FindChildByTag("input:checkbox", 0); return 0; }

PHP

Copy Code

public static function Execute($instance, $project)
{
    // clear cookie
    $instance->ClearCookie();
    
    // go to lessons.zennolab.com
    $tab = $instance->MainTab;
    if (($tab->IsVoid) || ($tab->IsNull)) return -1;
    if ($tab->IsBusy) $tab->WaitDownloading();
    $tab->Navigate("lessons.zennolab.com");
    if ($tab->IsBusy) $tab->WaitDownloading();
    
    // find element by id
    $he = $tab->FindElementById("main");
    
    // find child element by tag
    $heCh = $he->FindChildByTag("input:checkbox", 0);
    
    return 0;
}

Requirements

Target Platforms: Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family