// iuiautomationtextchildpattern.dart

// THIS FILE IS GENERATED AUTOMATICALLY AND SHOULD NOT BE EDITED DIRECTLY.

// ignore_for_file: unused_import
// ignore_for_file: constant_identifier_names, non_constant_identifier_names
// ignore_for_file: no_leading_underscores_for_local_identifiers

import 'dart:ffi';

import 'package:ffi/ffi.dart';

import '../callbacks.dart';
import '../combase.dart';
import '../constants.dart';
import '../exceptions.dart';
import '../guid.dart';
import '../macros.dart';
import '../propertykey.dart';
import '../structs.g.dart';
import '../utils.dart';
import '../variant.dart';
import '../win32/ole32.g.dart';
import 'iunknown.dart';

/// @nodoc
const IID_IUIAutomationTextChildPattern =
    '{6552b038-ae05-40c8-abfd-aa08352aab86}';

/// Provides access a text-based control (or an object embedded in text)
/// that is a child or descendant of another text-based control.
///
/// {@category com}
class IUIAutomationTextChildPattern extends IUnknown {
  // vtable begins at 3, is 2 entries long.
  IUIAutomationTextChildPattern(super.ptr);

  factory IUIAutomationTextChildPattern.from(IUnknown interface) =>
      IUIAutomationTextChildPattern(
        interface.toInterface(IID_IUIAutomationTextChildPattern),
      );

  Pointer<COMObject> get textContainer {
    final retValuePtr = calloc<COMObject>();

    final hr =
        (ptr.ref.vtable + 3)
            .cast<
              Pointer<
                NativeFunction<
                  Int32 Function(Pointer, Pointer<COMObject> container)
                >
              >
            >()
            .value
            .asFunction<int Function(Pointer, Pointer<COMObject> container)>()(
          ptr.ref.lpVtbl,
          retValuePtr,
        );

    if (FAILED(hr)) {
      free(retValuePtr);
      throw WindowsException(hr);
    }

    return retValuePtr;
  }

  Pointer<COMObject> get textRange {
    final retValuePtr = calloc<COMObject>();

    final hr = (ptr.ref.vtable + 4)
        .cast<
          Pointer<
            NativeFunction<Int32 Function(Pointer, Pointer<COMObject> range)>
          >
        >()
        .value
        .asFunction<
          int Function(Pointer, Pointer<COMObject> range)
        >()(ptr.ref.lpVtbl, retValuePtr);

    if (FAILED(hr)) {
      free(retValuePtr);
      throw WindowsException(hr);
    }

    return retValuePtr;
  }
}
