Struct winsafe::IStream

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

Available on crate feature ole only.

IStream COM interface over IStreamVT.

Automatically calls Release when the object goes out of scope.

Examples

Loading from a Vec:

use winsafe::{self as w, prelude::*};

let raw_data: Vec<u8>; // initialized somewhere

let stream = w::SHCreateMemStream(&raw_data)?;

Trait Implementations

impl Clone for IStream

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Drop for IStream

fn drop(&mut self)

Executes the destructor for this type.

impl ole_ISequentialStream for IStream

fn Read(&self, buffer: &mut [u8]) -> HrResult<u32>

ISequentialStream::Read method.

fn Write(&self, data: &[u8]) -> HrResult<u32>

ISequentialStream::Write method.

impl ole_IStream for IStream

fn Commit(&self, flags: STGC) -> HrResult<()>

IStream::Commit method.

fn CopyTo( &self, dest: &impl ole_IStream, num_bytes: u64 ) -> HrResult<(u64, u64)>

IStream::CopyTo method.

fn LockRegion( &self, offset: u64, length: u64, lock_type: LOCKTYPE ) -> HrResult<()>

IStream::LockRegion method.

fn Revert(&self) -> HrResult<()>

IStream::Revert method.

fn Seek(&self, displacement: i64, origin: STREAM_SEEK) -> HrResult<u64>

IStream::Seek method.

fn SetSize(&self, new_size: u64) -> HrResult<()>

IStream::SetSize method.

fn UnlockRegion( &self, offset: u64, length: u64, lock_type: LOCKTYPE ) -> HrResult<()>

IStream::UnlockRegion method.

impl ole_IUnknown for IStream

const IID: IID = _

The COM interface ID.

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

Creates an object from a COM virtual table pointer.

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

Returns a mutable reference do the underlying COM virtual table pointer.

fn ptr(&self) -> *mut c_void

Returns the pointer to the underlying COM virtual table.

unsafe fn null() -> Self

Creates an object from a null COM virtual table pointer.

fn leak(&mut self) -> *mut c_void

Returns the pointer to the underlying COM virtual table and sets the internal pointer to null, so that Release won’t be called.

fn QueryInterface<T>(&self) -> HrResult<T>

where T: ole_IUnknown,

IUnknown::QueryInterface method.

impl Send for IStream