HRESULT XGameStreamingUpdateTouchControlsStateOnClient(  
         XGameStreamingClientId client,  
         size_t operationCount,  
         const XGameStreamingTouchControlsStateOperation* operations  
)  

// In this example, after the player has switched their active weapon - update the image of the fire
// button to match the current weapon and set the enabled state of reload based on whether the player has
// extra magazines.  
// 
// Assumes passing in game structure that includes the active weapon with appropriate state and 
// a clientId for the client to update  
//
// Assumes a game speciic GetImageName function which returns a constant string for the specified weapoon


void GameStreamingClientManager::UpdateStateAfterWeaponChange(const playerWeapon& playerWeapon, XGameStreamingClientId clientId)
{
    // create an update for the active weapon's image
    XGameStreamingTouchControlsStateOperation weaponImage;
    weaponImage.operationKind = XGameStreamingTouchControlsStateOperationKind::Replace;
    weaponImage.path = "/ActiveWeaponImage";
    weaponImage.value.valueKind = XGameStreamingTouchControlsStateValueKind::String;
    weaponImage.value.stringValue = GetImageName(playerWeapon.activeWeapon.id);

    // create an update for whether the reload button should be enabled
    XGameStreamingTouchControlsStateOperation reloadEnabled;
    reloadEnabled.operationKind = XGameStreamingTouchControlsStateOperationKind::Replace;
    reloadEnabled.path = "/ReloadEnabled";
    reloadEnabled.valueKind = XGameStreamingTouchControlsStateValueKind::Bool;
    reloadEnabled.booleanValue = playerWeapon.activeWeapon.reloadClips > 0;

    // combine all the updates into the update state call and make the call
    XGameStreamingTouchControlsStateOperation[2] updateOperations = {weaponImage, reloadEnabled};
    
    XGameStreamingUpdateTouchControlsStateOnClient(clientId, _countof(updateOperations), updateOperations);
}

// In this example, after the player has gone to their inventory screen and had the ability to apply items
// to two active slots. Update the state for layouts to have layouts match the player's current
// loaded items from inventory (may or may not be the current layout being displayed).
//
// Assumes passing in game structure that includes the player's active inventory as well as the clientId to update


void GameStreamingClientManager::AfterInventoryScreen(const PlayerInventory& playerInventory, XGameStreamingClientId clientId)
{
    std::vector<XGameStreamingTouchControlsStateOperation> updateOperations;
    
    // check the first inventory slots, if empty hide that button from the layout
    // if item is placed in that slot, update the image to match the inventory items
    
    XGameStreamingTouchControlsStateOperation slot1Visible;
    slot1Visible.operationKind = XGameStreamingTouchControlsStateOperationKind::Replace;
    slot1Visible.path = "/Slot1IsVisible";
    slot1Visible.valueKind = XGameStreamingTouchControlsStateValueKind::Boolean;
    slot1Visible.boolValue =  playerInventory.slot1 != nullptr;
    
    updateOperations.push_back(slot1Visible);

    if (playerInventory.slot1 != nullptr) 
    {
        // create an update for the active weapon's image
        XGameStreamingTouchControlsStateOperation slot1Image;
        slot1Image.operationKind = XGameStreamingTouchControlsStateOperationKind::Replace;
        slot1Image.path = "/Slot1Image";
        slot1Image.value.valueKind = XGameStreamingTouchControlsStateValueKind::String;
        slot1Image.value.stringValue = GetImageName(playerInventory.slot1.id);        
        updateOperations.pushBack(slot1Image);
    }
    

    // ... 
    // do the same for the second inventory spot
    // ...

    // Update the state so that layouts will be updated correctly
    XGameStreamingUpdateTouchControlsStateOnClient(clientId, updateOperations.size(), updateOperations.data());
}