diff --git a/core-graphics/src/access.rs b/core-graphics/src/access.rs
index 5cadf28..4e852c8 100644
--- a/core-graphics/src/access.rs
+++ b/core-graphics/src/access.rs
@@ -1,8 +1,26 @@
 pub use base::boolean_t;
 
+#[derive(Default)]
+pub struct ScreenCaptureAccess;
+
+impl ScreenCaptureAccess {
+    /// If current app not in list, will open window.
+    /// Return the same result as preflight.
+    #[inline]
+    pub fn request(&self) -> bool {
+        unsafe { CGRequestScreenCaptureAccess() == 1 }
+    }
+
+    /// Return true if has access
+    #[inline]
+    pub fn preflight(&self) -> bool {
+        unsafe { CGPreflightScreenCaptureAccess() == 1 }
+    }
+}
+
 #[link(name = "CoreGraphics", kind = "framework")]
 extern "C" {
     // Screen Capture Access
-    pub fn CGRequestScreenCaptureAccess() -> boolean_t;
-    pub fn CGPreflightScreenCaptureAccess() -> boolean_t;
+    fn CGRequestScreenCaptureAccess() -> boolean_t;
+    fn CGPreflightScreenCaptureAccess() -> boolean_t;
 }