rustydialogs 0.4.2

Provides a simple and cross-platform way to display native dialog boxes.
Documentation 
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use windows::core::PCWSTR;
use windows::Win32::UI::WindowsAndMessaging::{
	MessageBoxW, IDCANCEL, IDNO, IDOK, IDYES, MB_ICONERROR, MB_ICONINFORMATION, MB_ICONQUESTION,
	MB_ICONWARNING, MB_OK, MB_OKCANCEL, MB_YESNO, MB_YESNOCANCEL,
};

use super::*;

pub fn show(p: &MessageBox<'_>) -> Option<MessageResult> {
	let title = utf16cs(p.title);
	let message = utf16cs(p.message);
	let icon = match p.icon {
		MessageIcon::Info => MB_ICONINFORMATION,
		MessageIcon::Warning => MB_ICONWARNING,
		MessageIcon::Error => MB_ICONERROR,
		MessageIcon::Question => MB_ICONQUESTION,
	};
	let buttons = match p.buttons {
		MessageButtons::Ok => MB_OK,
		MessageButtons::OkCancel => MB_OKCANCEL,
		MessageButtons::YesNo => MB_YESNO,
		MessageButtons::YesNoCancel => MB_YESNOCANCEL,
	};

	let result = unsafe {
		MessageBoxW(
			hwnd(p.owner),
			PCWSTR(message.as_ptr()),
			PCWSTR(title.as_ptr()),
			buttons | icon,
		)
	};

	match result {
		IDOK => Some(MessageResult::Ok),
		IDCANCEL => Some(MessageResult::Cancel),
		IDYES => Some(MessageResult::Yes),
		IDNO => Some(MessageResult::No),
		_ => None,
	}
}