Trait objc2_ui_kit::UIPickerViewDataSource

pub unsafe trait UIPickerViewDataSource: NSObjectProtocol + IsMainThreadOnly {
    // Provided methods
    unsafe fn numberOfComponentsInPickerView(
        &self,
        picker_view: &UIPickerView
    ) -> NSInteger
       where Self: Sized + Message { ... }
    unsafe fn pickerView_numberOfRowsInComponent(
        &self,
        picker_view: &UIPickerView,
        component: NSInteger
    ) -> NSInteger
       where Self: Sized + Message { ... }
}

Available on crate feature UIPickerView only.

Provided Methods

unsafe fn numberOfComponentsInPickerView( &self, picker_view: &UIPickerView ) -> NSInteger

where Self: Sized + Message,

Available on crate features UIResponder and UIView only.

unsafe fn pickerView_numberOfRowsInComponent( &self, picker_view: &UIPickerView, component: NSInteger ) -> NSInteger

where Self: Sized + Message,

Available on crate features UIResponder and UIView only.

Trait Implementations

impl ProtocolType for dyn UIPickerViewDataSource

const NAME: &'static str = "UIPickerViewDataSource"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

impl<T> ImplementedBy<T> for dyn UIPickerViewDataSource

where T: ?Sized + Message + UIPickerViewDataSource,

Implementations on Foreign Types

impl<T> UIPickerViewDataSource for ProtocolObject<T>

where T: ?Sized + UIPickerViewDataSource,

Implementors