Struct windows::Win32::Media::DeviceManager::IWMDMMetaData
pub struct IWMDMMetaData(/* private fields */);
Implementations§
§impl IWMDMMetaData
impl IWMDMMetaData
pub unsafe fn AddItem<P0>(
&self,
type: WMDM_TAG_DATATYPE,
pwsztagname: P0,
pvalue: Option<&[u8]>
) -> Result<()>where
P0: IntoParam<PCWSTR>,
pub unsafe fn QueryByName<P0>(
&self,
pwsztagname: P0,
ptype: *mut WMDM_TAG_DATATYPE,
pvalue: *mut *mut u8,
pcblength: *mut u32
) -> Result<()>where
P0: IntoParam<PCWSTR>,
pub unsafe fn QueryByIndex( &self, iindex: u32, ppwszname: *mut *mut u16, ptype: *mut WMDM_TAG_DATATYPE, ppvalue: *mut *mut u8, pcblength: *mut u32 ) -> Result<()>
pub unsafe fn GetItemCount(&self) -> Result<u32>
Trait Implementations§
§impl Clone for IWMDMMetaData
impl Clone for IWMDMMetaData
§fn clone(&self) -> IWMDMMetaData
fn clone(&self) -> IWMDMMetaData
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read more§impl Debug for IWMDMMetaData
impl Debug for IWMDMMetaData
§impl From<&IWMDMMetaData> for &IUnknown
impl From<&IWMDMMetaData> for &IUnknown
§fn from(value: &IWMDMMetaData) -> Self
fn from(value: &IWMDMMetaData) -> Self
Converts to this type from the input type.
§impl From<IWMDMMetaData> for IUnknown
impl From<IWMDMMetaData> for IUnknown
§fn from(value: IWMDMMetaData) -> Self
fn from(value: IWMDMMetaData) -> Self
Converts to this type from the input type.
§impl Interface for IWMDMMetaData
impl Interface for IWMDMMetaData
§fn as_raw(&self) -> *mut c_void
fn as_raw(&self) -> *mut c_void
Returns the raw COM interface pointer. The resulting pointer continues to be owned by the
Interface
implementation.§fn into_raw(self) -> *mut c_void
fn into_raw(self) -> *mut c_void
Returns the raw COM interface pointer and releases ownership. It the caller’s responsibility to release the COM interface pointer.
§fn cast<T>(&self) -> Result<T, Error>where
T: Interface,
fn cast<T>(&self) -> Result<T, Error>where
T: Interface,
Attempts to cast the current interface to another interface using
QueryInterface
. Read more§impl PartialEq for IWMDMMetaData
impl PartialEq for IWMDMMetaData
§fn eq(&self, other: &IWMDMMetaData) -> bool
fn eq(&self, other: &IWMDMMetaData) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Eq for IWMDMMetaData
impl StructuralPartialEq for IWMDMMetaData
Auto Trait Implementations§
impl RefUnwindSafe for IWMDMMetaData
impl !Send for IWMDMMetaData
impl !Sync for IWMDMMetaData
impl Unpin for IWMDMMetaData
impl UnwindSafe for IWMDMMetaData
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more