g8.diff

diff --git a/windows/stddialogs.cpp b/windows/stddialogs.cpp
index 1111111..2222222 100644
--- a/windows/stddialogs.cpp
+++ b/windows/stddialogs.cpp
@@ -102,15 +102,30 @@ char *uiSaveFile(uiWindow *parent)
 
 // TODO switch to TaskDialogIndirect()?
 
+typedef HRESULT (*WINAPI Tfv_TaskDialog)(_In_opt_ HWND hwndOwner, _In_opt_ HINSTANCE hInstance, _In_opt_ PCWSTR pszWindowTitle, _In_opt_ PCWSTR pszMainInstruction, _In_opt_ PCWSTR pszContent, TASKDIALOG_COMMON_BUTTON_FLAGS dwCommonButtons, _In_opt_ PCWSTR pszIcon, int *pnButton);
+Tfv_TaskDialog fv_TaskDialog = NULL;
+
 static void msgbox(HWND parent, const char *title, const char *description, TASKDIALOG_COMMON_BUTTON_FLAGS buttons, PCWSTR icon)
 {
 	WCHAR *wtitle, *wdescription;
 	HRESULT hr;
 
+	if (fv_TaskDialog == NULL) {
+		fv_TaskDialog = reinterpret_cast<Tfv_TaskDialog>(
+			GetProcAddress(
+				GetModuleHandle(L"comctl32.dll"),
+				"TaskDialog"
+			)
+		);
+		if (fv_TaskDialog == NULL) {
+			logHRESULT(L"error loading TaskDialog function", hr);
+		}
+	}
+
 	wtitle = toUTF16(title);
 	wdescription = toUTF16(description);
 
-	hr = TaskDialog(parent, NULL, NULL, wtitle, wdescription, buttons, icon, NULL);
+	hr = fv_TaskDialog(parent, NULL, NULL, wtitle, wdescription, buttons, icon, NULL);
 	if (hr != S_OK)
 		logHRESULT(L"error showing task dialog", hr);