Examples: Win32: Always use RegisterClassW() to ensure windows are Unicode. (#5725)

docs/CHANGELOG.txt

@@ -154,6 +154,7 @@ Other Changes:
 - Demo: Added more explicit "Center window" mode to "Overlay example". (#5618)
 - Demo: Fixed Log & Console from losing scrolling position with Auto-Scroll when child is clipped. (#5721)
 - Examples: Added all SDL examples to default VS solution.
+- Examples: Win32: Always use RegisterClassW() to ensure windows are Unicode. (#5725)
 - Backends: GLFW: Honor GLFW_CURSOR_DISABLED by not setting mouse position. (#5625) [@scorpion-26]
 - Backends: SDL: Disable SDL 2.0.22 new "auto capture" which prevents drag and drop across windows
   (e.g. for multi-viewport support) and don't capture mouse when drag and dropping. (#5710)

examples/example_win32_directx10/main.cpp

@@ -26,15 +26,15 @@ int main(int, char**)
 {
     // Create application window
     //ImGui_ImplWin32_EnableDpiAwareness();
-    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
+    WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, L"ImGui Example", NULL };
-    ::RegisterClassEx(&wc);
+    ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX10 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX10 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
 
     // Initialize Direct3D
     if (!CreateDeviceD3D(hwnd))
     {
         CleanupDeviceD3D();
-        ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+        ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
         return 1;
     }
 
@@ -154,7 +154,7 @@ int main(int, char**)
 
     CleanupDeviceD3D();
     ::DestroyWindow(hwnd);
-    ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+    ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
 
     return 0;
 }

examples/example_win32_directx11/main.cpp

@@ -26,15 +26,15 @@ int main(int, char**)
 {
     // Create application window
     //ImGui_ImplWin32_EnableDpiAwareness();
-    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
+    WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, L"ImGui Example", NULL };
-    ::RegisterClassEx(&wc);
+    ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX11 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX11 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
 
     // Initialize Direct3D
     if (!CreateDeviceD3D(hwnd))
     {
         CleanupDeviceD3D();
-        ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+        ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
         return 1;
     }
 
@@ -155,7 +155,7 @@ int main(int, char**)
 
     CleanupDeviceD3D();
     ::DestroyWindow(hwnd);
-    ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+    ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
 
     return 0;
 }

examples/example_win32_directx12/main.cpp

@@ -61,15 +61,15 @@ int main(int, char**)
 {
     // Create application window
     //ImGui_ImplWin32_EnableDpiAwareness();
-    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
+    WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, L"ImGui Example", NULL };
-    ::RegisterClassEx(&wc);
+    ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX12 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX12 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
 
     // Initialize Direct3D
     if (!CreateDeviceD3D(hwnd))
     {
         CleanupDeviceD3D();
-        ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+        ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
         return 1;
     }
 
@@ -223,7 +223,7 @@ int main(int, char**)
 
     CleanupDeviceD3D();
     ::DestroyWindow(hwnd);
-    ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+    ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
 
     return 0;
 }

examples/example_win32_directx9/main.cpp

@@ -24,15 +24,15 @@ int main(int, char**)
 {
     // Create application window
     //ImGui_ImplWin32_EnableDpiAwareness();
-    WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
+    WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, L"ImGui Example", NULL };
-    ::RegisterClassEx(&wc);
+    ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX9 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX9 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
 
     // Initialize Direct3D
     if (!CreateDeviceD3D(hwnd))
     {
         CleanupDeviceD3D();
-        ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+        ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
         return 1;
     }
 
@@ -161,7 +161,7 @@ int main(int, char**)
 
     CleanupDeviceD3D();
     ::DestroyWindow(hwnd);
-    ::UnregisterClass(wc.lpszClassName, wc.hInstance);
+    ::UnregisterClassW(wc.lpszClassName, wc.hInstance);
 
     return 0;
 }