Struct windows::Win32::System::Com::IStream

pub struct IStream(/* private fields */);

Implementations

impl IStream

pub unsafe fn Read( &self, pv: *mut c_void, cb: u32, pcbread: Option<*mut u32> ) -> HRESULT

pub unsafe fn Write( &self, pv: *const c_void, cb: u32, pcbwritten: Option<*mut u32> ) -> HRESULT

pub unsafe fn Seek( &self, dlibmove: i64, dworigin: STREAM_SEEK, plibnewposition: Option<*mut u64> ) -> Result<()>

pub unsafe fn SetSize(&self, libnewsize: u64) -> Result<()>

pub unsafe fn CopyTo<P0>( &self, pstm: P0, cb: u64, pcbread: Option<*mut u64>, pcbwritten: Option<*mut u64> ) -> Result<()>

where P0: IntoParam<IStream>,

pub unsafe fn Commit(&self, grfcommitflags: STGC) -> Result<()>

pub unsafe fn Revert(&self) -> Result<()>

pub unsafe fn LockRegion( &self, liboffset: u64, cb: u64, dwlocktype: LOCKTYPE ) -> Result<()>

pub unsafe fn UnlockRegion( &self, liboffset: u64, cb: u64, dwlocktype: u32 ) -> Result<()>

pub unsafe fn Stat( &self, pstatstg: *mut STATSTG, grfstatflag: STATFLAG ) -> Result<()>

pub unsafe fn Clone(&self) -> Result<IStream>

Trait Implementations

impl Clone for IStream

fn clone(&self) -> IStream

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IStream

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

Formats the value using the given formatter.

impl From<&IMarshalingStream> for &IStream

fn from(value: &IMarshalingStream) -> Self

Converts to this type from the input type.

impl From<&IPortableDeviceDataStream> for &IStream

fn from(value: &IPortableDeviceDataStream) -> Self

Converts to this type from the input type.

impl From<&ISpAudio> for &IStream

fn from(value: &ISpAudio) -> Self

Converts to this type from the input type.

impl From<&ISpMMSysAudio> for &IStream

fn from(value: &ISpMMSysAudio) -> Self

Converts to this type from the input type.

impl From<&ISpStream> for &IStream

fn from(value: &ISpStream) -> Self

Converts to this type from the input type.

impl From<&ISpStreamFormat> for &IStream

fn from(value: &ISpStreamFormat) -> Self

Converts to this type from the input type.

impl From<&ISpStreamFormatConverter> for &IStream

fn from(value: &ISpStreamFormatConverter) -> Self

Converts to this type from the input type.

impl From<&IStream> for &ISequentialStream

fn from(value: &IStream) -> Self

Converts to this type from the input type.

impl From<&IStream> for &IUnknown

fn from(value: &IStream) -> Self

Converts to this type from the input type.

impl From<&IStreamAsync> for &IStream

fn from(value: &IStreamAsync) -> Self

Converts to this type from the input type.

impl From<&IStreamConcatenate> for &IStream

fn from(value: &IStreamConcatenate) -> Self

Converts to this type from the input type.

impl From<&IStreamInterleave> for &IStream

fn from(value: &IStreamInterleave) -> Self

Converts to this type from the input type.

impl From<&IStreamPseudoRandomBased> for &IStream

fn from(value: &IStreamPseudoRandomBased) -> Self

Converts to this type from the input type.

impl From<&IWICStream> for &IStream

fn from(value: &IWICStream) -> Self

Converts to this type from the input type.

impl From<IMarshalingStream> for IStream

fn from(value: IMarshalingStream) -> Self

Converts to this type from the input type.

impl From<IPortableDeviceDataStream> for IStream

fn from(value: IPortableDeviceDataStream) -> Self

Converts to this type from the input type.

impl From<ISpAudio> for IStream

fn from(value: ISpAudio) -> Self

Converts to this type from the input type.

impl From<ISpMMSysAudio> for IStream

fn from(value: ISpMMSysAudio) -> Self

Converts to this type from the input type.

impl From<ISpStream> for IStream

fn from(value: ISpStream) -> Self

Converts to this type from the input type.

impl From<ISpStreamFormat> for IStream

fn from(value: ISpStreamFormat) -> Self

Converts to this type from the input type.

impl From<ISpStreamFormatConverter> for IStream

fn from(value: ISpStreamFormatConverter) -> Self

Converts to this type from the input type.

impl From<IStream> for ISequentialStream

fn from(value: IStream) -> Self

Converts to this type from the input type.

impl From<IStream> for IUnknown

fn from(value: IStream) -> Self

Converts to this type from the input type.

impl From<IStreamAsync> for IStream

fn from(value: IStreamAsync) -> Self

Converts to this type from the input type.

impl From<IStreamConcatenate> for IStream

fn from(value: IStreamConcatenate) -> Self

Converts to this type from the input type.

impl From<IStreamInterleave> for IStream

fn from(value: IStreamInterleave) -> Self

Converts to this type from the input type.

impl From<IStreamPseudoRandomBased> for IStream

fn from(value: IStreamPseudoRandomBased) -> Self

Converts to this type from the input type.

impl From<IWICStream> for IStream

fn from(value: IWICStream) -> Self

Converts to this type from the input type.

impl Interface for IStream

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

Returns the raw COM interface pointer and releases ownership. It the caller’s responsibility to release the COM interface pointer.

unsafe fn from_raw(raw: *mut c_void) -> Self

Creates an Interface by taking ownership of the raw COM interface pointer.

unsafe fn from_raw_borrowed(raw: &*mut c_void) -> Option<&Self>

Creates an Interface that is valid so long as the raw COM interface pointer is valid.

fn cast<T>(&self) -> Result<T, Error>

where T: Interface,

Attempts to cast the current interface to another interface using QueryInterface.

fn downgrade(&self) -> Result<Weak<Self>, Error>

Attempts to create a Weak reference to this object.

unsafe fn query(&self, iid: *const GUID, interface: *mut *mut c_void) -> HRESULT

Call QueryInterface on this interface

impl PartialEq for IStream

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

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for IStream

impl StructuralPartialEq for IStream