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Update custom-attached-properties.md #5457

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67 changes: 54 additions & 13 deletions uwp/xaml-platform/custom-attached-properties.md
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Original file line number Diff line number Diff line change
Expand Up @@ -126,25 +126,66 @@ namespace UserAndCustomControls
}

// GameService.h
...
static Windows::UI::Xaml::DependencyProperty IsMovableProperty() { return m_IsMovableProperty; }
static bool GetIsMovable(Windows::UI::Xaml::DependencyObject const& target) { return winrt::unbox_value<bool>(target.GetValue(m_IsMovableProperty)); }
static void SetIsMovable(Windows::UI::Xaml::DependencyObject const& target, bool value) { target.SetValue(m_IsMovableProperty, winrt::box_value(value)); }
#pragma once
#include "UserAndCustomControls.GameService.g.h"


namespace winrt::UserAndCustomControls::implementation
{
struct GameService : GameServiceT<GameService>
{
GameService() = default;

static winrt::Windows::UI::Xaml::DependencyProperty IsMovableProperty();
static bool GetIsMovable(winrt::Windows::UI::Xaml::DependencyObject const& target);
static void SetIsMovable(winrt::Windows::UI::Xaml::DependencyObject const& target, bool value);

private:

static Windows::UI::Xaml::DependencyProperty m_IsMovableProperty;
};
}
namespace winrt::UserAndCustomControls::factory_implementation
{
struct GameService : GameServiceT<GameService, implementation::GameService>
{
};
}

private:
static Windows::UI::Xaml::DependencyProperty m_IsMovableProperty;
...

// GameService.cpp
...
Windows::UI::Xaml::DependencyProperty GameService::m_IsMovableProperty =
Windows::UI::Xaml::DependencyProperty::RegisterAttached(
L"IsMovable",
winrt::xaml_typename<bool>(),
winrt::xaml_typename<UserAndCustomControls::GameService>(),
Windows::UI::Xaml::PropertyMetadata{ winrt::box_value(false) }
);
#include "pch.h"
#include "UserAndCustomControls.GameService.h"
#include "UserAndCustomControls.GameService.g.cpp"
#include <winrt/Windows.UI.Xaml.Interop.h>

namespace winrt::UserAndCustomControls::implementation
{
winrt::Windows::UI::Xaml::DependencyProperty GameService::IsMovableProperty()
{
return m_IsMovableProperty;
}
bool GameService::GetIsMovable(winrt::Windows::UI::Xaml::DependencyObject const& target)
{
return winrt::unbox_value<bool>(target.GetValue(m_IsMovableProperty));
}
void GameService::SetIsMovable(winrt::Windows::UI::Xaml::DependencyObject const& target, bool value)
{
target.SetValue(m_IsMovableProperty, winrt::box_value(value));
}
Windows::UI::Xaml::DependencyProperty GameService::m_IsMovableProperty =
Windows::UI::Xaml::DependencyProperty::RegisterAttached(
L"IsMovable",
winrt::xaml_typename<bool>(),
winrt::xaml_typename<UserAndCustomControls::GameService>(),
Windows::UI::Xaml::PropertyMetadata{ winrt::box_value(false) }
);
}

...

```

```cpp
Expand Down