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#![allow(non_camel_case_types, non_snake_case)]
use crate::co;
use crate::decl::*;
use crate::kernel::ffi_types::*;
use crate::ole::privs::*;
use crate::prelude::*;
use crate::vt::*;
/// [`IPersist`](crate::IPersist) virtual table.
#[repr(C)]
pub struct IPersistVT {
pub IUnknownVT: IUnknownVT,
pub GetClassID: fn(COMPTR, PVOID) -> HRES,
}
com_interface! { IPersist: "0000010c-0000-0000-c000-000000000046";
/// [`IPersist`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nn-objidl-ipersist)
/// COM interface over [`IPersistVT`](crate::vt::IPersistVT).
///
/// 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 IPersist {}
/// This trait is enabled with the `ole` feature, and provides methods for
/// [`IPersist`](crate::IPersist).
///
/// Prefer importing this trait through the prelude:
///
/// ```no_run
/// use winsafe::prelude::*;
/// ```
pub trait ole_IPersist: ole_IUnknown {
/// [`IPersist::GetClassID`](https://learn.microsoft.com/en-us/windows/win32/api/objidl/nf-objidl-ipersist-getclassid)
/// method.
#[must_use]
fn GetClassID(&self) -> HrResult<co::CLSID> {
let mut clsid = co::CLSID::default();
ok_to_hrresult(
unsafe {
(vt::<IPersistVT>(self).GetClassID)(
self.ptr(),
&mut clsid as *mut _ as _,
)
},
).map(|_| clsid)
}
}