CLOSABLE property

WindowStyleMask CLOSABLE
final

The window displays a close button.

Officially Supported Platforms/Implementations:

Implementation

static final CLOSABLE = WindowStyleMask._internalMultiPlatform(2, () {
  switch (defaultTargetPlatform) {
    case TargetPlatform.macOS:
      return 2;
    default:
      break;
  }
  return null;
});