FindChildrenByXPath Method

Searches for all elements among the children by the xpath.

Syntax

public HtmlElementCollection FindChildrenByXPath( 
   string xpath
)

Parameters

xpath

Type: System.String

XPath for search the elements.

Return Value

Type: Zennolab.CommandCenter.HtmlElementCollection

The collection of elements that matches the conditions defined by the tags, if found; otherwise, the Count property is "0".

Remarks

If html elements were not found then this method returns the HtmlElementCollection object in which IsVoid property is "true".

Example

The following code example demonstrates uses of the FindChildrenByTags method.

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 all children by xpath
    HtmlElementCollection heCol = he.FindChildrenByXPath("div[@id]");
    
    return 0;
}

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 all children by xpath
    $heCol = $he->FindChildrenByXPath("div[@id]");
    
    return 0;
}

Requirements

Target Platforms: Desktop: Windows XP SP3 and older. Server: Windows Server 2003 and older.

Reference

HtmlElement Class
HtmlElement Members
FindChildByAttribute Method
FindChildById Method
FindChildByName Method
FindChildByTag Method
FindChildByXPath Method
FindChildrenByAttribute Method
FindChildrenById Method
FindChildrenByName Method
HtmlElementCollection Class