Type Alias wxd_DataViewModel_GetColumnCountCallback

pub type wxd_DataViewModel_GetColumnCountCallback = Option<unsafe extern "C" fn(user_data: *mut c_void) -> u64>;

Aliased Type

pub enum wxd_DataViewModel_GetColumnCountCallback {
    None,
    Some(unsafe extern "C" fn(*mut c_void) -> u64),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void) -> u64)

Some value of type T.