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#![allow(non_camel_case_types, non_snake_case)]
use crate::decl::*;
use crate::kernel::ffi_types::*;
use crate::ole::privs::*;
use crate::prelude::*;
use crate::vt::*;
/// [`IPersistStream`](crate::IPersistStream) virtual table.
#[repr(C)]
pub struct IPersistStreamVT {
pub IPersistVT: IPersistVT,
pub IsDirty: fn(COMPTR) -> HRES,
pub Load: fn(COMPTR, COMPTR) -> HRES,
pub Save: fn(COMPTR, COMPTR, BOOL) -> HRES,
pub GetSizeMax: fn(COMPTR, *mut u64) -> HRES,
}
com_interface! { IPersistStream: "00000109-0000-0000-c000-000000000046";
/// [`IPersistStream`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nn-objidl-ipersiststream)
/// COM interface over [`IPersistStreamVT`](crate::vt::IPersistStreamVT).
///
/// Automatically calls
/// [`Release`](https://learn.microsoft.com/en-us/windows/win32/api/unknwn/nf-unknwn-iunknown-release)
/// when the object goes out of scope.
}
impl ole_IPersist for IPersistStream {}
impl ole_IPersistStream for IPersistStream {}
/// This trait is enabled with the `ole` feature, and provides methods for
/// [`IPersistStream`](crate::IPersistStream).
///
/// Prefer importing this trait through the prelude:
///
/// ```no_run
/// use winsafe::prelude::*;
/// ```
pub trait ole_IPersistStream: ole_IPersist {
/// [`IPersistStream::GetSizeMax`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersiststream-getsizemax)
/// method.
#[must_use]
fn GetSizeMax(&self) -> HrResult<u64> {
let mut max = u64::default();
ok_to_hrresult(
unsafe {
(vt::<IPersistStreamVT>(self).GetSizeMax)(self.ptr(), &mut max)
},
).map(|_| max)
}
/// [`IPersistStream::IsDirty`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersiststream-isdirty)
/// method.
#[must_use]
fn IsDirty(&self) -> HrResult<bool> {
okfalse_to_hrresult(
unsafe { (vt::<IPersistStreamVT>(self).IsDirty)(self.ptr()) },
)
}
/// [`IPersistStream::Load`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersiststream-load)
/// method.
fn Load(&self, stream: &impl ole_IStream) -> HrResult<()> {
ok_to_hrresult(
unsafe {
(vt::<IPersistStreamVT>(self).Load)(self.ptr(), stream.ptr())
},
)
}
/// [`IPersistStream::Save`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersiststream-save)
/// method.
fn Save(&self,
stream: &impl ole_IStream,
clear_dirty: bool,
) -> HrResult<()>
{
ok_to_hrresult(
unsafe {
(vt::<IPersistStreamVT>(self).Save)(
self.ptr(),
stream.ptr(),
clear_dirty as _,
)
},
)
}
}