diff --git a/cef/cef-browser-window-lcl_windows.go b/cef/cef-browser-window-lcl_windows.go
index 7e4fc196..0d51c35a 100644
--- a/cef/cef-browser-window-lcl_windows.go
+++ b/cef/cef-browser-window-lcl_windows.go
@@ -79,11 +79,11 @@ func (m *LCLBrowserWindow) doOnRenderCompMsg(message *types.TMessage, lResult *t
 				win.ReleaseCapture()
 				m.windowsState = m.WindowState()
 				if m.windowsState == types.WsNormal {
-					rtl.SendMessage(m.Handle(), WM_SYSCOMMAND, SC_MAXIMIZE, 0)
+					rtl.PostMessage(m.Handle(), WM_SYSCOMMAND, SC_MAXIMIZE, 0)
 				} else {
-					rtl.SendMessage(m.Handle(), WM_SYSCOMMAND, SC_RESTORE, 0)
+					rtl.PostMessage(m.Handle(), WM_SYSCOMMAND, SC_RESTORE, 0)
 				}
-				rtl.SendMessage(m.Handle(), WM_NCLBUTTONUP, 0, 0)
+				rtl.SendMessage(m.Handle(), WM_NCLBUTTONUP, HTCAPTION, 0)
 			}
 		case WM_NCLBUTTONDOWN: //nc l down
 			if m.rgn != nil && wdrs.canCaption {
@@ -91,7 +91,7 @@ func (m *LCLBrowserWindow) doOnRenderCompMsg(message *types.TMessage, lResult *t
 				*aHandled = true
 				win.ReleaseCapture()
 				rtl.PostMessage(m.Handle(), WM_NCLBUTTONDOWN, HTCAPTION, 0)
-				rtl.SendMessage(m.Handle(), WM_NCLBUTTONUP, 0, 0)
+				rtl.SendMessage(m.Handle(), WM_NCLBUTTONUP, HTCAPTION, 0)
 			}
 		case WM_NCLBUTTONUP: //nc l up
 			if m.rgn != nil && wdrs.canCaption {
diff --git a/example/dev-test/lcl-browser/lcl-browser.go b/example/dev-test/lcl-browser/lcl-browser.go
index a0166291..bc5bff19 100644
--- a/example/dev-test/lcl-browser/lcl-browser.go
+++ b/example/dev-test/lcl-browser/lcl-browser.go
@@ -29,7 +29,8 @@ func main() {
 		browserWindow := window.AsLCLBrowserWindow().BrowserWindow()
 		browserWindow.Constraints().SetMinWidth(300)
 		browserWindow.Constraints().SetMinHeight(300)
-		//window.HideTitle()
+		window.HideTitle()
+		//window.DisableResize()
 		window.AsLCLBrowserWindow().BrowserWindow().SetOnCloseQuery(func(sender lcl.IObject, canClose *bool) bool {
 			fmt.Println("lcl browser close query")
 			return false