Initial support for COM interface in host code. (#2230)

Co-authored-by: Yong He <yhe@nvidia.com>
Co-authored-by: Theresa Foley <10618364+tangent-vector@users.noreply.github.com>

1 files changed, 16 insertions, 2 deletions

diff --git a/examples/heterogeneous-hello-world/main.slang b/examples/heterogeneous-hello-world/main.slang
index 90f39fff7..2e65c7149 100644
--- a/examples/heterogeneous-hello-world/main.slang
+++ b/examples/heterogeneous-hello-world/main.slang
@@ -6,9 +6,23 @@ public void writeln(String text);
 [DllImport("User32")]
 int MessageBoxA(Ptr<void> hwnd, String text, String caption, uint flags);
 
+[COM]
+interface IObject
+{
+    int getValue(int value);
+}
+
+[DllImport("test-com")]
+IObject createObject();
+
 public __extern_cpp int main()
 {
-    writeln("hello world");
-    MessageBoxA(nullptr, "hello world!", "example", 0);
+    //writeln("hello world");
+    //MessageBoxA(nullptr, "hello world!", "example", 0);
+
+    IObject object = createObject();
+
+    int rs = object.getValue(2);
+
     return 0;
 }
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