internal InternalAccessibleObject(AccessibleObject accessibleImplemention)
{
publicIAccessible = accessibleImplemention;
publicIEnumVariant = accessibleImplemention;
publicIOleWindow = accessibleImplemention;
publicIReflect = accessibleImplemention;
publicIServiceProvider = accessibleImplemention;
publicIAccessibleEx = accessibleImplemention;
publicIRawElementProviderSimple = accessibleImplemention;
publicIRawElementProviderFragment = accessibleImplemention;
publicIRawElementProviderFragmentRoot = accessibleImplemention;
publicIInvokeProvider = accessibleImplemention;
publicIValueProvider = accessibleImplemention;
publicIRangeValueProvider = accessibleImplemention;
publicIExpandCollapseProvider = accessibleImplemention;
publicIToggleProvider = accessibleImplemention;
publicITableProvider = accessibleImplemention;
publicITableItemProvider = accessibleImplemention;
publicIGridProvider = accessibleImplemention;
publicIGridItemProvider = accessibleImplemention;
publicILegacyIAccessibleProvider = accessibleImplemention;
publicISelectionProvider = accessibleImplemention;
publicISelectionItemProvider = accessibleImplemention;
publicIRawElementProviderHwndOverride = accessibleImplemention;
}
internal InternalAccessibleObject(AccessibleObject accessibleImplemention)
{
// Get all the casts done here to catch any issues early
publicIAccessible = (IAccessible) accessibleImplemention;
publicIEnumVariant = (UnsafeNativeMethods.IEnumVariant) accessibleImplemention;
publicIOleWindow = (UnsafeNativeMethods.IOleWindow) accessibleImplemention;
publicIReflect = (IReflect) accessibleImplemention;
// Note: Deliberately not holding onto AccessibleObject to enforce all access through the interfaces
}
protected void UseStdAccessibleObjects(IntPtr handle, int objid)
{
// Get a standard accessible Object
Guid IID_IAccessible = new Guid(NativeMethods.uuid_IAccessible);
object acc = null;
int result = UnsafeNativeMethods.CreateStdAccessibleObject(
new HandleRef(this, handle),
objid,
ref IID_IAccessible,
ref acc);
// Get the IEnumVariant interface
Guid IID_IEnumVariant = new Guid(NativeMethods.uuid_IEnumVariant);
object en = null;
result = UnsafeNativeMethods.CreateStdAccessibleObject(
new HandleRef(this, handle),
objid,
ref IID_IEnumVariant,
ref en);
Debug.Assert(acc != null, "SystemIAccessible is null");
Debug.Assert(en != null, "SystemIEnumVariant is null");
if (acc != null || en != null) {
systemIAccessible = (IAccessible)acc;
systemIEnumVariant = (UnsafeNativeMethods.IEnumVariant)en;
systemIOleWindow = acc as UnsafeNativeMethods.IOleWindow;
}
}
