1 files changed, 31 insertions, 0 deletions
diff --git a/packages/w32/istream.go b/packages/w32/istream.go
new file mode 100644
index 0000000..2b840c3
--- /dev/null
+++ b/packages/w32/istream.go
@@ -0,0 +1,31 @@
+// Copyright 2010-2012 The W32 Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package w32
+
+import (
+	"unsafe"
+)
+
+type pIStreamVtbl struct {
+	pQueryInterface uintptr
+	pAddRef         uintptr
+	pRelease        uintptr
+}
+
+type IStream struct {
+	lpVtbl *pIStreamVtbl
+}
+
+func (this *IStream) QueryInterface(id *GUID) *IDispatch {
+	return ComQueryInterface((*IUnknown)(unsafe.Pointer(this)), id)
+}
+
+func (this *IStream) AddRef() int32 {
+	return ComAddRef((*IUnknown)(unsafe.Pointer(this)))
+}
+
+func (this *IStream) Release() int32 {
+	return ComRelease((*IUnknown)(unsafe.Pointer(this)))
+}