portable-service: run background

Signed-off-by: 21pages <pages21@163.com>

src/platform/windows.rs

@@ -1480,6 +1480,27 @@ pub fn get_user_token(session_id: u32, as_user: bool) -> HANDLE {
     }
 }
 
+pub fn run_background(exe: &str, arg: &str) -> ResultType<bool> {
+    let wexe = wide_string(exe);
+    let warg;
+    unsafe {
+        let ret = ShellExecuteW(
+            NULL as _,
+            NULL as _,
+            wexe.as_ptr() as _,
+            if arg.is_empty() {
+                NULL as _
+            } else {
+                warg = wide_string(arg);
+                warg.as_ptr() as _
+            },
+            NULL as _,
+            SW_HIDE,
+        );
+        return Ok(ret as i32 > 32);
+    }
+}
+
 pub fn run_uac(exe: &str, arg: &str) -> ResultType<bool> {
     let wop = wide_string("runas");
     let wexe = wide_string(exe);