// Static Create method called by the event tracker system
internal static void RaiseEvents(IntPtr hwnd, int eventId, object idProp, int idObject, int idChild)
{
if (idObject != NativeMethods.OBJID_VSCROLL && idObject != NativeMethods.OBJID_HSCROLL)
{
ProxySimple el;
if (IsInsideOfIPAddress(hwnd))
{
el = new ByteEditBoxOverride(hwnd, idChild);
}
else
{
el = new WindowsEditBox(hwnd, null, 0);
// If this is an Edit control inside of a Microsoft Spinner, need to treat the property
// changes for as property changes on the whole Microsoft Spinner, not on the element
// of the Microsoft Spinner. Microsoft Spinner raise WinEvents on the Edit portion of
// the spinner and not the UpDown portion like the Win32 Spinner.
IntPtr hwndParent = NativeMethodsSetLastError.GetAncestor(hwnd, NativeMethods.GA_PARENT);
if (hwndParent != IntPtr.Zero)
{
// Test for spinner - Create checks if the element is a spinner
ProxySimple spinner = (ProxySimple)WinformsSpinner.Create(hwndParent, 0);
if (spinner != null)
{
el = spinner;
}
}
}
el.DispatchEvents(eventId, idProp, idObject, idChild);
}
}
private bool IsInsideOfSpinner()
{
IntPtr hwndParent = NativeMethodsSetLastError.GetAncestor(_hwnd, NativeMethods.GA_PARENT);
if (hwndParent != IntPtr.Zero)
{
// Test for spinner - Create checks if the element is a spinner
if (WinformsSpinner.Create(hwndParent, 0) != null)
{
return(true);
}
}
return(WindowsSpinner.IsSpinnerEdit(_hwnd));
}
// Static Create method called by UIAutomation to create proxies for [....] controls.
// returns null if unsuccessful
internal static IRawElementProviderSimple Create(IntPtr hwnd, int idChild, int idObject)
{
// Currently there is an issue with CLR remoting that causes Accessible.CreateNativeFromEvent() to fail
// for [....] controls. Until that is resolved use AccessibleObjectFromWindow() instead. It will
// return a Native IAccessble and not a OleAcc implementaion. [....] does provide a Native IAccessible.
Accessible acc = null;
if (Accessible.AccessibleObjectFromWindow(hwnd, idObject, ref acc) != NativeMethods.S_OK || acc == null)
{
return(null);
}
switch (acc.Role)
{
// ============================================================
// WinformsSpinner controls are not identifiable by classname or
// other simple properties. The following case calls the
// WinformsSpinner constructor which in turn tries to establish
// the class of the control as a fact or returns null.
case AccessibleRole.Combobox:
return(WinformsSpinner.Create(hwnd, idChild, idObject));
// ============================================================
case AccessibleRole.SpinButton:
return(WindowsUpDown.Create(hwnd, idChild, idObject));
case AccessibleRole.Grouping:
return(new WindowsButton(hwnd, null, WindowsButton.ButtonType.GroupBox, Misc.GetWindowStyle(hwnd) & NativeMethods.BS_TYPEMASK, acc));
case AccessibleRole.StatusBar:
WindowsStatusBar sb = new WindowsStatusBar(hwnd, null, 0, acc);
if (sb == null)
{
return(null);
}
return(idChild == NativeMethods.CHILD_SELF ? sb : sb.CreateStatusBarPane(idChild));
default:
break;
}
return(null);
}