Support Windows.Foundation.Collections

lib/src/com/IIterable`1.dart

@@ -0,0 +1,49 @@
+// IIterable.dart
+
+// THIS FILE IS GENERATED AUTOMATICALLY AND SHOULD NOT BE EDITED DIRECTLY.
+
+// ignore_for_file: unused_import
+
+import 'dart:ffi';
+
+import 'package:ffi/ffi.dart';
+
+import '../combase.dart';
+import '../constants.dart';
+import '../exceptions.dart';
+import '../macros.dart';
+import '../ole32.dart';
+import '../structs.dart';
+import '../structs.g.dart';
+import '../utils.dart';
+
+import '../winrt/winrt_constants.dart';
+
+import 'IInspectable.dart';
+/// @nodoc
+const IID_IIterable = '{FAA585EA-6214-4217-AFDA-7F46DE5869B3}';
+
+typedef _First_Native = Int32 Function(
+  Pointer obj,
+  Pointer<Pointer> result
+);
+typedef _First_Dart = int Function(
+  Pointer obj,
+  Pointer<Pointer> result
+);
+
+/// {@category Interface}
+/// {@category winrt}
+class IIterable<T> extends IInspectable {
+  // vtable begins at 6, ends at 6
+
+   IIterable(Pointer<COMObject> ptr) : super(ptr);
+
+  int First(Pointer<Pointer> result) => ptr.ref.lpVtbl.value      .elementAt(6)
+      .cast<Pointer<NativeFunction<_First_Native>>>()
+      .value
+      .asFunction<_First_Dart>()(ptr.ref.lpVtbl, result);
+
+}
+
+

lib/src/com/IVectorView`1.dart

@@ -0,0 +1,91 @@
+// IVectorView.dart
+
+// THIS FILE IS GENERATED AUTOMATICALLY AND SHOULD NOT BE EDITED DIRECTLY.
+
+// ignore_for_file: unused_import
+
+import 'dart:ffi';
+
+import 'package:ffi/ffi.dart';
+
+import '../combase.dart';
+import '../constants.dart';
+import '../exceptions.dart';
+import '../macros.dart';
+import '../ole32.dart';
+import '../structs.dart';
+import '../structs.g.dart';
+import '../utils.dart';
+
+import '../winrt/winrt_constants.dart';
+
+/// @nodoc
+const IID_IVectorView = '{BBE1FA4C-B0E3-4583-BAEF-1F1B2E483E56}';
+
+typedef _GetAt_Native = Int32 Function(
+    Pointer obj, Uint32 index, Pointer<Pointer> result);
+typedef _GetAt_Dart = int Function(
+    Pointer obj, int index, Pointer<Pointer> result);
+
+typedef _get_Size_Native = Int32 Function(Pointer obj, Pointer<Uint32> value);
+typedef _get_Size_Dart = int Function(Pointer obj, Pointer<Uint32> value);
+
+typedef _IndexOf_Native = Int32 Function(Pointer obj, Pointer value, Pointer<Uint32> index,
+    Pointer< /* Boolean */ Uint8> result);
+typedef _IndexOf_Dart = int Function(Pointer obj, Pointer value, Pointer<Uint32> index,
+    Pointer< /* Boolean */ Uint8> result);
+
+typedef _GetMany_Native = Int32 Function(
+    Pointer obj, Uint32 startIndex, Pointer<Pointer> items, Pointer<Uint32> result);
+typedef _GetMany_Dart = int Function(
+    Pointer obj, int startIndex, Pointer<Pointer> items, Pointer<Uint32> result);
+
+/// {@category Interface}
+/// {@category winrt}
+class IVectorView<T> {
+  // vtable begins at 6, ends at 9
+
+  Pointer<COMObject> ptr;
+
+  IVectorView(this.ptr);
+
+  int GetAt(int index, Pointer<Pointer> result) => ptr.ref.lpVtbl.value
+      .elementAt(6)
+      .cast<Pointer<NativeFunction<_GetAt_Native>>>()
+      .value
+      .asFunction<_GetAt_Dart>()(ptr.ref.lpVtbl, index, result);
+
+  int get Size {
+    final retValuePtr = calloc<Uint32>();
+
+    try {
+      final hr = ptr.ref.lpVtbl.value
+          .elementAt(7)
+          .cast<Pointer<NativeFunction<_get_Size_Native>>>()
+          .value
+          .asFunction<_get_Size_Dart>()(ptr.ref.lpVtbl, retValuePtr);
+
+      if (FAILED(hr)) throw WindowsException(hr);
+
+      final retValue = retValuePtr.value;
+      return retValue;
+    } finally {
+      free(retValuePtr);
+    }
+  }
+
+  int IndexOf(
+          Pointer value, Pointer<Uint32> index, Pointer< /* Boolean */ Uint8> result) =>
+      ptr.ref.lpVtbl.value
+          .elementAt(8)
+          .cast<Pointer<NativeFunction<_IndexOf_Native>>>()
+          .value
+          .asFunction<_IndexOf_Dart>()(ptr.ref.lpVtbl, value, index, result);
+
+  int GetMany(int startIndex, Pointer<Pointer> items, Pointer<Uint32> result) => ptr
+      .ref.lpVtbl.value
+      .elementAt(9)
+      .cast<Pointer<NativeFunction<_GetMany_Native>>>()
+      .value
+      .asFunction<_GetMany_Dart>()(ptr.ref.lpVtbl, startIndex, items, result);
+}

lib/win32.dart

@@ -183,6 +183,7 @@ export 'src/com/IFileOpenDialog.dart';
 export 'src/com/IFileOpenPicker.dart';
 export 'src/com/IFileSaveDialog.dart';
 export 'src/com/IInspectable.dart';
+export 'src/com/IIterable`1.dart';
 export 'src/com/IKnownFolder.dart';
 export 'src/com/IKnownFolderManager.dart';
 export 'src/com/IModalWindow.dart';
@@ -222,6 +223,7 @@ export 'src/com/IUnknown.dart';
 export 'src/com/IUri.dart';
 export 'src/com/IUserDataPathsStatics.dart';
 export 'src/com/IVirtualDesktopManager.dart';
+export 'src/com/IVectorView`1.dart';
 export 'src/com/IWbemClassObject.dart';
 export 'src/com/IWbemContext.dart';
 export 'src/com/IWbemLocator.dart';

tool/metadata/generate_winrt_apis.dart

@@ -17,6 +17,8 @@ import 'projection/classprojector.dart';
 import 'projection/typeprinter.dart';
 
 final typesToGenerate = [
+  'Windows.Foundation.Collections.IIterable`1',
+  'Windows.Foundation.Collections.IVectorView`1',
   'Windows.Foundation.IPropertyValue',
   'Windows.Foundation.IAsyncAction',
   'Windows.Foundation.IAsyncInfo',