diff --git a/library/modules/platform/uikit.sx b/library/modules/platform/uikit.sx
index 665b0b7..e071c34 100644
--- a/library/modules/platform/uikit.sx
+++ b/library/modules/platform/uikit.sx
@@ -355,42 +355,28 @@ uikit_keyboard_will_change_frame :: (self: *void, _cmd: *void, notification: *vo
     if g_uikit_plat == null { return; }
     plat := g_uikit_plat;
 
-    sel_user_info := sel_registerName("userInfo".ptr);
-    sel_obj_for_key := sel_registerName("objectForKey:".ptr);
-    sel_cg_rect_value := sel_registerName("CGRectValue".ptr);
-    sel_double_value := sel_registerName("doubleValue".ptr);
-    sel_screen := sel_registerName("screen".ptr);
-    sel_bounds := sel_registerName("bounds".ptr);
-
-    msg_o : (*void, *void) -> *void = xx objc_msgSend;
-    msg_oo : (*void, *void, *void) -> *void = xx objc_msgSend;
-    msg_rect : (*void, *void) -> CGRect = xx objc_msgSend;
-    msg_d : (*void, *void) -> f64 = xx objc_msgSend;
-
-    user_info := msg_o(notification, sel_user_info);
+    user_info := #objc_call(*void)(notification, "userInfo");
     if user_info == null { return; }
 
-    end_value := msg_oo(user_info, sel_obj_for_key,
+    end_value := #objc_call(*void)(user_info, "objectForKey:",
         ns_string("UIKeyboardFrameEndUserInfoKey".ptr));
     if end_value == null { return; }
-    end_rect := msg_rect(end_value, sel_cg_rect_value);
+    end_rect := #objc_call(CGRect)(end_value, "CGRectValue");
 
-    dur_value := msg_oo(user_info, sel_obj_for_key,
+    dur_value := #objc_call(*void)(user_info, "objectForKey:",
         ns_string("UIKeyboardAnimationDurationUserInfoKey".ptr));
     anim_dur : f64 = 0.0;
-    if dur_value != null { anim_dur = msg_d(dur_value, sel_double_value); }
+    if dur_value != null { anim_dur = #objc_call(f64)(dur_value, "doubleValue"); }
 
-    sel_unsigned_long_value := sel_registerName("unsignedLongValue".ptr);
-    msg_ul : (*void, *void) -> u64 = xx objc_msgSend;
-    curve_value := msg_oo(user_info, sel_obj_for_key,
+    curve_value := #objc_call(*void)(user_info, "objectForKey:",
         ns_string("UIKeyboardAnimationCurveUserInfoKey".ptr));
     curve_int : u64 = 0;
-    if curve_value != null { curve_int = msg_ul(curve_value, sel_unsigned_long_value); }
+    if curve_value != null { curve_int = #objc_call(u64)(curve_value, "unsignedLongValue"); }
 
     // Screen height in points. The window lives on the connected scene's screen.
     if plat.window == null { return; }
-    win_screen := msg_o(plat.window, sel_screen);
-    screen_bounds := msg_rect(win_screen, sel_bounds);
+    win_screen := #objc_call(*void)(plat.window, "screen");
+    screen_bounds := #objc_call(CGRect)(win_screen, "bounds");
 
     // Keyboard height = how much of the screen the keyboard covers from the
     // bottom. When the keyboard is hiding, its end-frame.y == screen.height,