1 files changed, 2 insertions, 0 deletions
diff --git a/c/win.h b/c/win.h
index 93b1416..3bb0d6e 100644
--- a/c/win.h
+++ b/c/win.h
@@ -5,6 +5,8 @@
 #include <string_view>
 #include <windows.h>
 
+/* Show message box for current exception. */
+void ShowException(const wchar_t* fmt, const wchar_t* title, UINT uType = MB_ICONWARNING) noexcept;
 /* Run given procedure at creation of next window. */
 void WithNextWindow(void (*proc)(HWND));
 /* Display message box centered in main window. */