I don't write Rust but does this look (more) correct?

    extern crate winapi;

    use std::ptr::null_mut;
     use winapi::shared::guiddef::{CLSID, IID};
    use winapi::um::combaseapi::{CoInitialize, CoCreateInstance};
    use winapi::um::shobjidl_core::CLSID_ShellWindows;
    use winapi::um::winuser::GetForegroundWindow;
    use winapi::Interface;
    use winapi::shared::winerror::{HRESULT, SUCCEEDED};
    use winapi::um::exdisp::IWebBrowser2;
    use winapi::um::unknwnbase::IUnknown;
    use winapi::um::oleidl::IDispatch;
    use winapi::shared::wtypes::BSTR;
    use winapi::um::winnt::LPCWSTR;
    use winapi::shared::ntdef::VOID;

use std::ffi::OsString; use std::os::windows::ffi::OsStringExt;

     // Helper function to convert a wide string to a Rust string
     wide_to_string(wide: &[u16]) -> String {
    OsString::from_wide(&wide)
        .to_string_lossy()
        .into_owned()

}

    // Helper function to convert BSTR to Rust String
    fn bstr_to_string(bstr: BSTR) -> String {
    unsafe {
        let length = winapi::um::oleauto::SysStringLen(bstr) as usize;
        let slice = std::slice::from_raw_parts(bstr, length);
        wide_to_string(slice)
    }

}

   fn main() {
    unsafe {
        // Initialize COM
        let hr = CoInitialize(null_mut());

        if SUCCEEDED(hr) {
            let mut shell_windows_ptr: *mut IUnknown = null_mut();
            let shell_windows_iid: IID = IShellWindows::uuidof();
            let shell_windows_clsid: CLSID = CLSID_ShellWindows;

            // Create IShellWindows instance
            let hr = CoCreateInstance(
                &shell_windows_clsid,
                null_mut(),
                winapi::um::combaseapi::CLSCTX_ALL,
                &shell_windows_iid,
                &mut shell_windows_ptr as *mut _ as _,
            );

            if SUCCEEDED(hr) {
                let shell_windows_dispatch: &IDispatch = &*(shell_windows_ptr as *mut IDispatch);

                let hwnd = GetForegroundWindow() as LPCWSTR;

                // Get Item of IShellWindows
                let mut result = null_mut();
                let mut params = winapi::um::oaidl::DISPPARAMS {
                    cArgs: 1,
                    cNamedArgs: 0,
                    rgvarg: &mut winapi::um::oaidl::VARIANTARG {
                        n1: winapi::um::oaidl::VARIANTARG_0 {
                            n2: winapi::um::oaidl::VARIANTARG_0_0 {
                                vt: winapi::um::oaidl::VT_I4 as u16,
                                wReserved1: 0,
                                wReserved2: 0,
                                wReserved3: 0,
                                n3: winapi::um::oaidl::VARIANTARG_0_0_0 {
                                    lVal: hwnd as _,
                                }
                            }
                        }
                    },
                    rgdispidNamedArgs: null_mut(),
                };

                shell_windows_dispatch.Invoke(
                    winapi::um::exdisp::DISPID_ISHELLWINDOWS_ITEM,
                    &winapi::shared::guiddef::IID_NULL,
                    winapi::um::winnls::LOCALE_USER_DEFAULT,
                    winapi::um::oaidl::DISPATCH_METHOD,
                    &mut params,
                    &mut result,
                    null_mut(),
                    null_mut(),
                );

                // Convert result to IWebBrowser2
                let web_browser2: &IWebBrowser2 = &*(result.pdispVal as *mut IWebBrowser2);

                // Get LocationURL property of IWebBrowser2
                let mut location_url: BSTR = null_mut();
                web_browser2.get_LocationURL(&mut location_url);

                let path = bstr_to_string(location_url);

                println!("Path: {}", path);
            } else {
                println!("Failed to create IShellWindows instance.");
            }
        } else {
            println!("Failed to initialize COM.");
        }
    }
    extern crate winapi;

use std::ptr::null_mut; use winapi::shared::guiddef::{CLSID, IID}; use winapi::um::combaseapi::{CoInitialize, CoCreateInstance}; use winapi::um::shobjidl_core::CLSID_ShellWindows; use winapi::um::winuser::GetForegroundWindow; use winapi::Interface; use winapi::shared::winerror::{HRESULT, SUCCEEDED}; use winapi::um::exdisp::IWebBrowser2; use winapi::um::unknwnbase::IUnknown; use winapi::um::oleidl::IDispatch; use winapi::shared::wtypes::BSTR; use winapi::um::winnt::LPCWSTR; use winapi::shared::ntdef::VOID; use std::ffi::OsString; use std::os::windows::ffi::OsStringExt;

// Helper function to convert a wide string to a Rust string fn wide_to_string(wide: &[u16]) -> String { OsString::from_wide(&wide) .to_string_lossy() .into_owned() }

// Helper function to convert BSTR to Rust String fn bstr_to_string(bstr: BSTR) -> String { unsafe { let length = winapi::um::oleauto::SysStringLen(bstr) as usize; let slice = std::slice::from_raw_parts(bstr, length); wide_to_string(slice) } }

fn main() { unsafe { // Initialize COM let hr = CoInitialize(null_mut());

        if SUCCEEDED(hr) {
            let mut shell_windows_ptr: *mut IUnknown = null_mut();
            let shell_windows_iid: IID = IShellWindows::uuidof();
            let shell_windows_clsid: CLSID = CLSID_ShellWindows;

            // Create IShellWindows instance
            let hr = CoCreateInstance(
                &shell_windows_clsid,
                null_mut(),
                winapi::um::combaseapi::CLSCTX_ALL,
                &shell_windows_iid,
                &mut shell_windows_ptr as *mut _ as _,
            );

            if SUCCEEDED(hr) {
                let shell_windows_dispatch: &IDispatch = &*(shell_windows_ptr as *mut IDispatch);

                let hwnd = GetForegroundWindow() as LPCWSTR;

                // Get Item of IShellWindows
                let mut result = null_mut();
                let mut params = winapi::um::oaidl::DISPPARAMS {
                    cArgs: 1,
                    cNamedArgs: 0,
                    rgvarg: &mut winapi::um::oaidl::VARIANTARG {
                        n1: winapi::um::oaidl::VARIANTARG_0 {
                            n2: winapi::um::oaidl::VARIANTARG_0_0 {
                                vt: winapi::um::oaidl::VT_I4 as u16,
                                wReserved1: 0,
                                wReserved2: 0,
                                wReserved3: 0,
                                n3: winapi::um::oaidl::VARIANTARG_0_0_0 {
                                    lVal: hwnd as _,
                                }
                            }
                        }
                    },
                    rgdispidNamedArgs: null_mut(),
                };

                shell_windows_dispatch.Invoke(
                    winapi::um::exdisp::DISPID_ISHELLWINDOWS_ITEM,
                    &winapi::shared::guiddef::IID_NULL,
                    winapi::um::winnls::LOCALE_USER_DEFAULT,
                    winapi::um::oaidl::DISPATCH_METHOD,
                    &mut params,
                    &mut result,
                    null_mut(),
                    null_mut(),
                );

                // Convert result to IWebBrowser2
                let web_browser2: &IWebBrowser2 = &*(result.pdispVal as *mut IWebBrowser2);

                // Get LocationURL property of IWebBrowser2
                let mut location_url: BSTR = null_mut();
                web_browser2.get_LocationURL(&mut location_url);

                let path = bstr_to_string(location_url);

                println!("Path: {}", path);
            } else {
                println!("Failed to create IShellWindows instance.");
            }
        } else {
            println!("Failed to initialize COM.");
        }
    }
   }
 }