Struct HTHEME

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pub struct HTHEME(/* private fields */);
Available on crate feature uxtheme only.
Expand description

Handle to a theme.

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impl HTHEME

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pub const unsafe fn from_ptr(p: *mut c_void) -> Self

Constructs a new handle object by wrapping a pointer.

This method can be used as an escape hatch to interoperate with other libraries.

§Safety

Be sure the pointer has the correct type and isn’t owned by anyone else, otherwise you may cause memory access violations.

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pub const unsafe fn raw_copy(&self) -> Self

Returns a raw copy of the underlying handle pointer.

§Safety

As the name implies, raw_copy returns a raw copy of the handle, so closing one of the copies won’t close the others. This means a handle can be used after it has been closed, what can lead to errors and undefined behavior. Even worse: sometimes Windows reuses handle values, so you can call a method on a completely different handle type, what can be catastrophic.

However, in some cases the Windows API demands a copy of the handle – raw_copy is an escape hatch to fill this gap.

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pub const unsafe fn as_mut(&mut self) -> &mut *mut c_void

Returns a mutable reference to the underlying raw pointer.

This method can be used as an escape hatch to interoperate with other libraries.

§Safety

This method exposes the raw pointer used by raw Windows calls. It’s an opaque pointer to an internal Windows structure, and no dereferencings should be attempted.

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pub const fn ptr(&self) -> *mut c_void

Returns the underlying raw pointer.

This method exposes the raw pointer used by raw Windows calls. It’s an opaque pointer to an internal Windows structure, and no dereferencings should be attempted.

This method can be used as an escape hatch to interoperate with other libraries.

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impl HTHEME

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pub fn DrawThemeBackground( &self, hdc: &HDC, part_state: VS, rc: RECT, rc_clip: Option<RECT>, ) -> HrResult<()>

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pub fn GetThemeAppProperties() -> STAP

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pub fn GetThemeBackgroundContentRect( &self, hdc: &HDC, part_state: VS, bounds: RECT, ) -> HrResult<RECT>

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pub fn GetThemeBackgroundExtent( &self, hdc: &HDC, part_state: VS, rc_content: RECT, ) -> HrResult<RECT>

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pub fn GetThemeBackgroundRegion( &self, hdc: &HDC, part_state: VS, rc: RECT, ) -> HrResult<DeleteObjectGuard<HRGN>>

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pub fn GetThemeColor(&self, part_state: VS, prop: TMT) -> HrResult<COLORREF>

GetThemeColor function.

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pub fn GetThemeMargins( &self, hdc_fonts: Option<&HDC>, part_state: VS, prop: TMT, draw_dest: Option<&RECT>, ) -> HrResult<MARGINS>

GetThemeMargins function.

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pub fn GetThemeMetric( &self, hdc_fonts: Option<&HDC>, part_state: VS, prop: TMT, ) -> HrResult<i32>

GetThemeMetric function.

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pub fn GetThemePartSize( &self, hdc_fonts: Option<&HDC>, part_state: VS, draw_dest: Option<&RECT>, esize: THEMESIZE, ) -> HrResult<SIZE>

GetThemePartSize function.

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pub fn GetThemePosition(&self, part_state: VS, prop: TMT) -> HrResult<POINT>

GetThemePosition function.

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pub fn GetThemePropertyOrigin( &self, part_state: VS, prop: TMT, ) -> HrResult<PROPERTYORIGIN>

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pub fn GetThemeRect(&self, part_state: VS, prop: TMT) -> HrResult<RECT>

GetThemeRect function.

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pub fn IsThemeBackgroundPartiallyTransparent(&self, part_state: VS) -> bool

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pub fn IsThemePartDefined(&self, part_state: VS) -> bool

Trait Implementations§

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impl Debug for HTHEME

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for HTHEME

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Handle for HTHEME

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const NULL: Self

Available on crate feature kernel only.
The null, uninitialized handle; equals to 0.
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const INVALID: Self

Available on crate feature kernel only.
The invalid handle; equals to -1. Read more
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unsafe fn from_ptr(p: *mut c_void) -> Self

Available on crate feature kernel only.
Constructs a new handle object by wrapping a pointer. Read more
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unsafe fn raw_copy(&self) -> Self

Available on crate feature kernel only.
Returns a raw copy of the underlying handle pointer. Read more
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unsafe fn as_mut(&mut self) -> &mut *mut c_void

Available on crate feature kernel only.
Returns a mutable reference to the underlying raw pointer. Read more
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fn ptr(&self) -> *mut c_void

Available on crate feature kernel only.
Returns the underlying raw pointer. Read more
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fn as_opt(&self) -> Option<&Self>

Available on crate feature kernel only.
Returns None if the handle is null or invalid, otherwise returns Some(&self). Read more
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impl Hash for HTHEME

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl LowerHex for HTHEME

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for HTHEME

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fn eq(&self, other: &HTHEME) -> bool

Tests for self and other values to be equal, and is used by ==.
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const fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl UpperHex for HTHEME

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for HTHEME

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impl Send for HTHEME

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impl StructuralPartialEq for HTHEME

Auto Trait Implementations§

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> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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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.