Module settings

// Gets a parent category for the new setting category (the root category in this case)             
SettingsCategoryInfo parentCategory = SettingsCategoryInfoProvider.GetRootSettingsCategoryInfo();
if (parentCategory != null)
{
    // Creates a new settings category object
    SettingsCategoryInfo newCategory = new SettingsCategoryInfo();

    // Sets the category properties
    newCategory.CategoryDisplayName = "New Setting Category";
    newCategory.CategoryName = "NewSettingCategory";
    newCategory.CategoryOrder = 0;
    newCategory.CategoryParentID = parentCategory.CategoryID;
    newCategory.CategoryIsGroup = false;
    newCategory.CategoryIsCustom = true;

    // Assigns the category to a custom module (the default 'Custom' module in this case)
    newCategory.CategoryResourceID = ResourceInfoProvider.GetResourceInfo("CMS.CustomSystemModule").ResourceID;

    // Saves the new setting category to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(newCategory);
}

// Gets the setting category
SettingsCategoryInfo updateCategory = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingCategory");
if (updateCategory != null)
{
    // Updates the category property
    updateCategory.CategoryDisplayName = updateCategory.CategoryDisplayName.ToLowerCSafe();

    // Saves the updated setting category to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(updateCategory);
}

// Gets all setting categories whose code name starts with 'New'
var categories = SettingsCategoryInfoProvider.GetSettingsCategories()
                                                    .WhereStartsWith("CategoryName", "New")
                                                    .WhereEquals("CategoryIsGroup", 0);

// Loops through individual categories
foreach (SettingsCategoryInfo category in categories)
{
    // Updates the category properties
    category.CategoryDisplayName = category.CategoryDisplayName.ToUpper();

    // Saves the updated setting category to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(category);
}

// Gets the setting category
SettingsCategoryInfo deleteCategory = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingCategory");

if (deleteCategory != null)
{
    // Deletes the setting category
    SettingsCategoryInfoProvider.DeleteSettingsCategoryInfo(deleteCategory);
}

// Gets a parent setting category
SettingsCategoryInfo settingCategory = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingCategory");
if (settingCategory != null)
{
    // Creates a new setting group object
    SettingsCategoryInfo newGroup = new SettingsCategoryInfo();

    // Sets the setting group properties
    newGroup.CategoryDisplayName = "New Setting Group";
    newGroup.CategoryName = "NewSettingsGroup";
    newGroup.CategoryOrder = 0;
    newGroup.CategoryParentID = settingCategory.CategoryID;
    newGroup.CategoryIsGroup = true;
    newGroup.CategoryIsCustom = true;

    // Assigns the group to a custom module (the default 'Custom' module in this case)
    newGroup.CategoryResourceID = ResourceInfoProvider.GetResourceInfo("CMS.CustomSystemModule").ResourceID;

    // Saves the setting group to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(newGroup);
}

// Gets the setting group
SettingsCategoryInfo updateGroup = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingGroup");
if (updateGroup != null)
{
    // Updates the setting group properties
    updateGroup.CategoryDisplayName = updateGroup.CategoryDisplayName.ToLowerCSafe();

    // Saves the updated setting group to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(updateGroup);
}

// Gets all setting groups whose code name starts with 'New'
var groups = SettingsCategoryInfoProvider.GetSettingsCategories()
                                                .WhereStartsWith("CategoryName", "New")
                                                .WhereEquals("CategoryIsGroup", 1);

// Loops through individual setting groups
foreach (SettingsCategoryInfo group in groups)
{
    // Updates the group properties
    group.CategoryDisplayName = group.CategoryDisplayName.ToUpper();

    // Saves the updated setting group to the database
    SettingsCategoryInfoProvider.SetSettingsCategoryInfo(group);
}

// Gets the setting group
SettingsCategoryInfo deleteGroup = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingGroup");

if (deleteGroup != null)
{
    // Deletes the setting group
    SettingsCategoryInfoProvider.DeleteSettingsCategoryInfo(deleteGroup);
}

// Gets a parent setting group
SettingsCategoryInfo settingGroup = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingGroup");
if (settingGroup != null)
{
    // Creates a new setting key object
    SettingsKeyInfo newKey = new SettingsKeyInfo();

    // Sets the setting key properties
    newKey.KeyDisplayName = "New setting key";
    newKey.KeyName = "NewSettingKey";
    newKey.KeyDescription = "This setting key was created through the API.";
    newKey.KeyType = "string";
    newKey.KeyValue = "Setting key value";
    newKey.KeyCategoryID = settingGroup.CategoryID;
    newKey.KeyDefaultValue = null;

    // Saves the new setting key to the database
    SettingsKeyInfoProvider.SetSettingsKeyInfo(newKey);
}

// Gets the setting key
SettingsKeyInfo updateKey = SettingsKeyInfoProvider.GetSettingsKeyInfo("NewSettingKey");
if (updateKey != null)
{
    // Updates the setting key properties
    updateKey.KeyDisplayName = updateKey.KeyDisplayName.ToLowerCSafe();

    // Saves the updated setting key to the database
    SettingsKeyInfoProvider.SetSettingsKeyInfo(updateKey);
}

// Gets a setting group
SettingsCategoryInfo settingGroup = SettingsCategoryInfoProvider.GetSettingsCategoryInfoByName("NewSettingGroup");

// Gets all setting keys in the specified setting group
var keys = SettingsKeyInfoProvider.GetSettingsKeys().WhereEquals("KeyCategoryID", settingGroup.CategoryID);

// Loops through individual setting keys
foreach (SettingsKeyInfo modifyKey in keys)
{
    // Updates the setting key properties
    modifyKey.KeyDisplayName = modifyKey.KeyDisplayName.ToUpper();

    // Saves the updated setting key to the database
    SettingsKeyInfoProvider.SetSettingsKeyInfo(modifyKey);
}

// Gets the setting key
SettingsKeyInfo deleteKey = SettingsKeyInfoProvider.GetSettingsKeyInfo("NewSettingKey");

if (deleteKey != null)
{
    // Deletes the setting key
    SettingsKeyInfoProvider.DeleteSettingsKeyInfo(deleteKey);
}