// Package dll 封装 Windows 系统 API（互斥体防多开、ShellExecute、窗口操作等）。
package dll

import (
	"github.com/lxn/win"
	"syscall"
)

// ShellExecute 调用系统 ShellExecute 打开文件/网页/程序
// dir 工作目录；file 目标（文件路径、URL 或程序）；args 启动参数；hide 是否隐藏窗口
func ShellExecute(dir string, file string, args string, hide bool) bool {
	lpOperation, _ := syscall.UTF16PtrFromString("open")
	lpFile, _ := syscall.UTF16PtrFromString(file)
	lpCwd, _ := syscall.UTF16PtrFromString(dir)
	lpArgs, _ := syscall.UTF16PtrFromString(args)
	showCmd := win.SW_SHOWNORMAL
	if hide {
		showCmd = win.SW_HIDE
	}
	return win.ShellExecute(0, lpOperation, lpFile, lpArgs, lpCwd, showCmd)
}