public IWebElement FindOneElement(By mechanism, string locator)
{
ElementWrapper rawElement = new ElementWrapper();
int result;
ElementWrapper parent = new ElementWrapper();
try
{
switch (mechanism)
{
case By.Id:
result = wdFindElementById(handle, parent, locator, ref rawElement);
break;
case By.LinkText:
result = wdFindElementByLinkText(handle, parent, locator, ref rawElement);
break;
case By.Name:
result = wdFindElementByName(handle, parent, locator, ref rawElement);
break;
default:
throw new ArgumentException("Unrecognised element location mechanism: " + mechanism);
}
if (result != 0)
{
throw new Exception("Cannot locate element");
}
return new InternetExplorerWebElement(this, rawElement);
}
catch (SEHException)
{
// Unable to find the element
return null;
}
}
private static extern int wdFindElementByName(SafeHandle driver, ElementWrapper element, [MarshalAs(UnmanagedType.LPWStr)] String id, ref ElementWrapper result);
private static extern int wdeToggle(ElementWrapper handle, ref int toggled);
public InternetExplorerWebElement(InternetExplorerDriver driver, ElementWrapper wrapper)
{
this.driver = driver;
this.wrapper = wrapper;
}
private static extern int wdeSetSelected(ElementWrapper handle);
private static extern int wdeSubmit(ElementWrapper wrapper);
private static extern int wdeIsSelected(ElementWrapper handle, ref int selected);
private static extern int wdeSendKeys(ElementWrapper wrapper, [MarshalAs(UnmanagedType.LPWStr)] string text);
private static extern int wdeIsDisplayed(ElementWrapper handle, ref int displayed);
private static extern int wdeGetText(ElementWrapper wrapper, ref StringWrapperHandle result);
private static extern int wdeGetDetailsOnceScrolledOnToScreen(ElementWrapper wrapper, ref IntPtr hwnd, ref int x, ref int y, ref int width, ref int height);
private static extern int wdeGetAttribute(ElementWrapper wrapper, [MarshalAs(UnmanagedType.LPWStr)] string attributeName, ref StringWrapperHandle result);
private static extern int wdeClear(ElementWrapper handle);
