some.cpp

IAIMPServiceUI* m_ui;
IAIMPUIForm* m_form;
IAIMPUICategory* m_category;
IAIMPUIGroupBox* m_userBox;
IAIMPUIButton* m_authButton;

...

HWND __stdcall OptionsDialog::CreateFrame(HWND parentWnd)
{
	if (m_ui == nullptr)
		return nullptr;

	m_ui->CreateForm(
		parentWnd,
		AIMPUI_SERVICE_CREATEFORM_FLAGS_CHILD,
		String(L"OptionForm"),
		nullptr,
		&m_form);
	if (m_form == nullptr)
		return nullptr;

	m_form->SetPlacement({ ualClient });
	m_form->SetValueAsInt32(AIMPUI_FORM_PROPID_BORDERICONS, 0);
	m_form->SetValueAsInt32(
		AIMPUI_FORM_PROPID_BORDERSTYLE,
		AIMPUI_FLAGS_BORDERSTYLE_NONE);

	m_ui->CreateControl(
		m_form,
		m_form,
		String(L"Category"),
		nullptr,
		IID_IAIMPUICategory,
		reinterpret_cast<void**>(&m_category));
	if (m_category == nullptr)
		return nullptr;

	m_category->SetPlacement({ ualClient });

	m_ui->CreateControl(
		m_form,
		m_category,
		String(L"UserBox"),
		nullptr,
		IID_IAIMPUIGroupBox,
		reinterpret_cast<void**>(&m_userBox));
	m_userBox->SetPlacement({ ualTop });
	m_userBox->SetPlacementConstraints({ 110, 0, 110, 0 });

	m_ui->CreateControl(
		m_form,
		m_userBox,
		String(L"ButtonAuth"),
		nullptr,
		IID_IAIMPUIButton,
		reinterpret_cast<void**>(&m_authButton));
	m_authButton->SetPlacement({ ualRight });
	m_authButton->SetPlacementConstraints({ 25, 100, 25, 100 });

	return m_form->GetHandle();
}