[][src]Crate com_ptr

A smart pointer for Windows COM Interfaces.

Examples

Creates a ComPtr from CreateDXGIFactory1 function.

use winapi::shared::dxgi::*;
use winapi::um::winnt::HRESULT;
use winapi::Interface;
use com_ptr::{ComPtr, hresult};

fn create_dxgi_factory<T: Interface>() -> Result<ComPtr<T>, HRESULT> {
    ComPtr::new(|| {
        let mut obj = std::ptr::null_mut();
        let res = unsafe { CreateDXGIFactory1(&T::uuidof(), &mut obj) };
        hresult(obj as *mut T, res)
    })
}

Structs

ComPtr

A smart pointer for COM Interfaces.

Functions

co_create_instance

Creates a ComPtr of the class associated with a specified CLSID.

hresult

Returns a object when success.