simple privacy demo

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/platform/windows.rs

@@ -1013,11 +1013,10 @@ fn run_cmds(cmds: String, show: bool) -> ResultType<()> {
     Ok(())
 }
 
-pub fn toggle_privacy_mode(v: bool) {
+pub fn toggle_blank_screen(v: bool) {
     let v = if v { TRUE } else { FALSE };
     unsafe {
         blank_screen(v);
-        BlockInput(v);
     }
 }