windows_implement

Attribute Macro implement

Source
#[implement]
Expand description

Implements one or more COM interfaces.

ยงExample

use windows_core::*;

#[interface("094d70d6-5202-44b8-abb8-43860da5aca2")]
unsafe trait IValue: IUnknown {
    fn GetValue(&self, value: *mut i32) -> HRESULT;
}

#[implement(IValue)]
struct Value(i32);

impl IValue_Impl for Value_Impl {
    unsafe fn GetValue(&self, value: *mut i32) -> HRESULT {
        *value = self.0;
        HRESULT(0)
    }
}

let object: IValue = Value(123).into();
// Call interface methods...