From 095a37636953e55ddb8361eafd91a082bdf32fc9 Mon Sep 17 00:00:00 2001
From: Bin <17426470+boyan01@users.noreply.github.com>
Date: Fri, 25 Aug 2023 11:06:44 +0800
Subject: [PATCH] [desktop_drop] fix windows build warning C4701: potentially
 uninitialized local variable 'hwnd' (#279)

---
 packages/desktop_drop/windows/desktop_drop_plugin.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/desktop_drop/windows/desktop_drop_plugin.cpp b/packages/desktop_drop/windows/desktop_drop_plugin.cpp
index 194b1999..2166fac8 100644
--- a/packages/desktop_drop/windows/desktop_drop_plugin.cpp
+++ b/packages/desktop_drop/windows/desktop_drop_plugin.cpp
@@ -138,11 +138,16 @@ namespace {
                         registrar->messenger(), "desktop_drop",
                         &flutter::StandardMethodCodec::GetInstance());
 
-        HWND hwnd;
+        HWND hwnd = nullptr;
         if (registrar->GetView()) {
             hwnd = registrar->GetView()->GetNativeWindow();
         }
 
+        if (hwnd == nullptr) {
+            // no window, no drop.
+            return;
+        }
+
         channel->SetMethodCallHandler([](const auto &call, auto result) {
             result->NotImplemented();
         });