...

1 files changed, 9 insertions, 0 deletions

diff --git a/src/win/native/native_window.cpp b/src/win/native/native_window.cpp
index 5da121cf..f301f955 100644
--- a/src/win/native/native_window.cpp
+++ b/src/win/native/native_window.cpp
@@ -147,6 +147,15 @@ bool WinNativeWindow::ReleaseMouse() {
   return false;
 }
 
+void WinNativeWindow::Repaint() {
+  if (IsValid()) {
+    if (!::InvalidateRect(hwnd_, nullptr, FALSE))
+      throw Win32Error(::GetLastError(), "Failed to invalidate window.");
+    if (!::UpdateWindow(hwnd_))
+      throw Win32Error(::GetLastError(), "Failed to update window.");
+  }
+}
+
 graph::Painter* WinNativeWindow::BeginPaint() {
   return new WindowD2DPainter(this);
 }