diff --git a/src/lib.rs b/src/lib.rs
index 9b23766..04ef480 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1537,7 +1537,7 @@ impl VmcExtSettingColor {
 }
 
 #[derive(Debug)]
-struct VmcExtSettingWin {
+pub struct VmcExtSettingWin {
     is_top_most: bool,
     is_transparent: bool,
     window_click_through: i32,
@@ -1611,6 +1611,18 @@ impl VmcMessage for VmcExtSettingWin {
     }
 }
 
+impl VmcExtSettingWin {
+    pub fn new(is_top_most: bool, is_transparent: bool, window_click_through: i32, hide_border: i32) -> MsgNewResult<Self> {
+        Ok(Self { is_top_most, is_transparent, window_click_through, hide_border})
+    }
+    pub fn new_vmc_message(is_top_most: bool, is_transparent: bool, window_click_through: i32, hide_border: i32) -> TraitMsgNewResult {
+        match Self::new(is_top_most, is_transparent, window_click_through, hide_border) {
+            Ok(val) => Ok(Box::new(val)),
+            Err(val) => Err(val)
+        }
+    }
+}
+
 #[derive(Debug)]
 struct VmcExtConfig {
     path: String,