1 files changed, 8 insertions, 1 deletions
diff --git a/c/win.h b/c/win.h
index 26a21b2..62cb2ac 100644
--- a/c/win.h
+++ b/c/win.h
@@ -7,12 +7,19 @@
 
 /* Run given procedure at creation of next window. */
 void WithNextWindow(void (*proc)(HWND));
+
 /* Display message box centered in main window. */
 int EBMessageBox(std::wstring_view text, std::wstring_view data, UINT uType);
+
 /* Show message box for current exception. */
-void ShowException(const wchar_t* fmt, const wchar_t* title, UINT uType = MB_ICONWARNING) noexcept;
+void ShowException(
+    const wchar_t* fmt = L"An error occurred: %s",
+    const wchar_t* title = L"Error",
+    UINT uType = MB_ICONWARNING) noexcept;
+
 /* Retrieve mouse position relative to given window's client area. */
 int GetRelativeCursorPos(HWND hWnd, POINT* pt) noexcept;
+
 /* Cached values from GetSystemMetrics. */
 template <int I> auto Metric = GetSystemMetrics(I);