Struct winsafe::gui::spec::HeaderItems

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pub struct HeaderItems<'a> { /* private fields */ }
Available on crate feature gui only.
Expand description

Exposes the item methods of a Header control.

You cannot directly instantiate this object, it is created internally by the control.

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impl<'a> HeaderItems<'a>

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pub fn count(&self) -> u32

Retrieves the total number of items by sending a hdm::GetItemCount message.

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pub const fn get(&self, index: u32) -> HeaderItem<'a>

Retrieves the item at the given zero-based position.

Note: This method is cheap – even if index is beyond the range of existing items, an object will still be returned. However, operations upon this object will produce no effect.

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pub fn iter(&self) -> impl Iterator<Item = HeaderItem<'a>> + 'a

Returns an iterator over all items.

Auto Trait Implementations§

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impl<'a> Freeze for HeaderItems<'a>

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impl<'a> !RefUnwindSafe for HeaderItems<'a>

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impl<'a> !Send for HeaderItems<'a>

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impl<'a> !Sync for HeaderItems<'a>

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impl<'a> Unpin for HeaderItems<'a>

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impl<'a> !UnwindSafe for HeaderItems<'a>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.