Only apply subsystem to final binary, not cdylibs (#5002)

packages/desktop/src/config.rs

@@ -67,6 +67,7 @@ pub struct Config {
     pub(crate) window_close_behavior: WindowCloseBehaviour,
     pub(crate) custom_event_handler: Option<CustomEventHandler>,
     pub(crate) disable_file_drop_handler: bool,
+    pub(crate) additional_windows_args: Option<String>,
 
     #[allow(clippy::type_complexity)]
     pub(crate) on_window: Option<Box<dyn FnMut(Arc<Window>, &mut VirtualDom) + 'static>>,
@@ -118,6 +119,7 @@ impl Config {
             custom_event_handler: None,
             disable_file_drop_handler: false,
             on_window: None,
+            additional_windows_args: None,
         }
     }
 
@@ -312,6 +314,12 @@ impl Config {
         self.on_window = Some(Box::new(f));
         self
     }
+
+    /// Add additional windows only launch arguments for webview2
+    pub fn with_windows_browser_args(mut self, additional_args: impl ToString) -> Self {
+        self.additional_windows_args = Some(additional_args.to_string());
+        self
+    }
 }
 
 impl Default for Config {

packages/desktop/src/webview.rs

@@ -442,6 +442,14 @@ impl WebviewInstance {
             None
         };
 
+        #[cfg(target_os = "windows")]
+        {
+            use wry::WebViewBuilderExtWindows;
+            if let Some(additional_windows_args) = &cfg.additional_windows_args {
+                webview = webview.with_additional_browser_args(additional_windows_args);
+            }
+        }
+
         #[cfg(any(
             target_os = "windows",
             target_os = "macos",