first commit

windows/storage/streams/ibuffer.go

@@ -0,0 +1,76 @@
+// Code generated by winrt-go-gen. DO NOT EDIT.
+
+//go:build windows
+
+//nolint:all
+package streams
+
+import (
+	"syscall"
+	"unsafe"
+
+	"github.com/go-ole/go-ole"
+)
+
+const GUIDIBuffer string = "905a0fe0-bc53-11df-8c49-001e4fc686da"
+const SignatureIBuffer string = "{905a0fe0-bc53-11df-8c49-001e4fc686da}"
+
+type IBuffer struct {
+	ole.IInspectable
+}
+
+type IBufferVtbl struct {
+	ole.IInspectableVtbl
+
+	GetCapacity uintptr
+	GetLength   uintptr
+	SetLength   uintptr
+}
+
+func (v *IBuffer) VTable() *IBufferVtbl {
+	return (*IBufferVtbl)(unsafe.Pointer(v.RawVTable))
+}
+
+func (v *IBuffer) GetCapacity() (uint32, error) {
+	var out uint32
+	hr, _, _ := syscall.SyscallN(
+		v.VTable().GetCapacity,
+		uintptr(unsafe.Pointer(v)),    // this
+		uintptr(unsafe.Pointer(&out)), // out uint32
+	)
+
+	if hr != 0 {
+		return 0, ole.NewError(hr)
+	}
+
+	return out, nil
+}
+
+func (v *IBuffer) GetLength() (uint32, error) {
+	var out uint32
+	hr, _, _ := syscall.SyscallN(
+		v.VTable().GetLength,
+		uintptr(unsafe.Pointer(v)),    // this
+		uintptr(unsafe.Pointer(&out)), // out uint32
+	)
+
+	if hr != 0 {
+		return 0, ole.NewError(hr)
+	}
+
+	return out, nil
+}
+
+func (v *IBuffer) SetLength(value uint32) error {
+	hr, _, _ := syscall.SyscallN(
+		v.VTable().SetLength,
+		uintptr(unsafe.Pointer(v)), // this
+		uintptr(value),             // in uint32
+	)
+
+	if hr != 0 {
+		return ole.NewError(hr)
+	}
+
+	return nil
+}