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Showing content from https://seleniumhq.github.io/selenium/docs/api/dotnet/webdriver/OpenQA.Selenium.By.html below:

Class By

Namespace

OpenQA.Selenium

Assembly

WebDriver.dll

Provides a mechanism by which to find elements within a document.

[Serializable]
public class By

Inheritance

By

Derived

Inherited Members

Initializes a new instance of the By class.

Initializes a new instance of the By class using the given functions to find elements.

protected By(Func<ISearchContext, IWebElement> findElementMethod, Func<ISearchContext, ReadOnlyCollection<IWebElement>> findElementsMethod)

findElementMethod Func<ISearchContext, IWebElement>

A function that takes an object implementing ISearchContext and returns the found IWebElement.

findElementsMethod Func<ISearchContext, ReadOnlyCollection<IWebElement>>

A function that takes an object implementing ISearchContext and returns a ReadOnlyCollection<T> of the foundIWebElements. IWebElements/>.

Initializes a new instance of the By class using the specified mechanism and criteria for finding elements.

protected By(string mechanism, string criteria)

mechanism string

The mechanism to use in finding elements.

criteria string

The criteria to use in finding elements.

Gets the value of the criteria for this By class instance.

public string Criteria { get; }

string

Gets or sets the value of the description for this By class instance.

protected string Description { get; set; }

string

Gets or sets the method used to find a single element matching specified criteria, or throws NoSuchElementException if no element is found.

protected Func<ISearchContext, IWebElement>? FindElementMethod { get; set; }

Func<ISearchContext, IWebElement>

Gets or sets the method used to find all elements matching specified criteria.

protected Func<ISearchContext, ReadOnlyCollection<IWebElement>>? FindElementsMethod { get; set; }

Func<ISearchContext, ReadOnlyCollection<IWebElement>>

Gets the value of the mechanism for this By class instance.

public string Mechanism { get; }

string

Gets a mechanism to find elements by their CSS class.

public static By ClassName(string classNameToFind)

classNameToFind string

The CSS class to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If classNameToFind is null.

Gets a mechanism to find elements by their cascading style sheet (CSS) selector.

public static By CssSelector(string cssSelectorToFind)

cssSelectorToFind string

The CSS selector to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If cssSelectorToFind is null.

Determines whether the specified Object is equal to the current Object.

public override bool Equals(object? obj)

obj object

The Object to compare with the current Object.

bool

true if the specified Object is equal to the current Object; otherwise, false.

Finds the first element matching the criteria.

public virtual IWebElement FindElement(ISearchContext context)

context ISearchContext

An ISearchContext object to use to search for the elements.

IWebElement

The first matching IWebElement on the current context.

NoSuchElementException

If no element matches the criteria.

Finds all elements matching the criteria.

public virtual ReadOnlyCollection<IWebElement> FindElements(ISearchContext context)

context ISearchContext

An ISearchContext object to use to search for the elements.

ReadOnlyCollection<IWebElement>

A ReadOnlyCollection<T> of all WebElements matching the current criteria, or an empty list if nothing matches.

Serves as a hash function for a particular type.

public override int GetHashCode()

int

A hash code for the current Object.

Gets a mechanism to find elements by their ID.

public static By Id(string idToFind)

idToFind string

The ID to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If idToFind is null.

Gets a mechanism to find elements by their link text.

public static By LinkText(string linkTextToFind)

linkTextToFind string

The link text to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If linkTextToFind is null.

Gets a mechanism to find elements by their name.

public static By Name(string nameToFind)

nameToFind string

The name to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If nameToFind is null.

Gets a mechanism to find elements by a partial match on their link text.

public static By PartialLinkText(string partialLinkTextToFind)

partialLinkTextToFind string

The partial link text to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If partialLinkTextToFind is null.

Gets a mechanism to find elements by their tag name.

public static By TagName(string tagNameToFind)

tagNameToFind string

The tag name to find.

By

A By object the driver can use to find the elements.

ArgumentNullException

If tagNameToFind is null.

Gets a string representation of the finder.

public override string ToString()

string

The string displaying the finder content.

Gets a mechanism to find elements by an XPath query. When searching within a WebElement using xpath be aware that WebDriver follows standard conventions: a search prefixed with "//" will search the entire document, not just the children of this current node. Use ".//" to limit your search to the children of this WebElement.

public static By XPath(string xpathToFind)

xpathToFind string

The XPath query to use.

By

A By object the driver can use to find the elements.

ArgumentNullException

If xpathToFind is null.

Determines if two By instances are equal.

public static bool operator ==(By? one, By? two)

one By

One instance to compare.

two By

The other instance to compare.

bool

true if the two instances are equal; otherwise, false.

Determines if two By instances are unequal.

public static bool operator !=(By? one, By? two)

one By

One instance to compare.

two By

The other instance to compare.

bool

true if the two instances are not equal; otherwise, false.

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