windows-core 0.100.0

Core type support for COM and Windows
Documentation 
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use crate::Interface;
use super::Type;
use core::ffi::c_void;
use core::mem::{transmute_copy, zeroed};

// Internal activation interface used by generated class factories.
// Components implement the public IActivationFactory interface instead.
super::define_interface!(
    IGenericFactory,
    IGenericFactory_Vtbl,
    0x00000035_0000_0000_c000_000000000046
);
super::interface_hierarchy!(IGenericFactory, crate::IUnknown, crate::IInspectable);

impl IGenericFactory {
    pub fn ActivateInstance<I: Interface>(&self) -> crate::Result<I> {
        unsafe {
            let mut result__ = zeroed();
            (Interface::vtable(self).ActivateInstance)(
                transmute_copy(self),
                &mut result__ as *mut _ as *mut _,
            )
            .and_then(|| Type::from_abi(result__))
            .and_then(|interface: crate::IInspectable| interface.cast())
        }
    }
}

#[repr(C)]
pub struct IGenericFactory_Vtbl {
    pub base__: crate::IInspectable_Vtbl,
    pub ActivateInstance:
        unsafe extern "system" fn(this: *mut c_void, instance: *mut *mut c_void) -> crate::HRESULT,
}