在 2018/5/22 17:46, Jacek Caban 写道:
+#ifndef WIDL_EXPLICIT_AGGREGATE_RETURNS
STDMETHOD_(D2D1_SIZE_F, GetSize)(void) const PURE;
+#else
+ virtual D2D1_SIZE_F* STDMETHODCALLTYPE GetSize(D2D1_SIZE_F*) = 0;
+ D2D1_SIZE_F STDMETHODCALLTYPE GetSize() {
You missed the `const` qualifier, which applies to both declarations in
the `#else` clause.
+#ifndef WIDL_EXPLICIT_AGGREGATE_RETURNS
STDMETHOD_(D2D1_POINT_2F, GetCenter)(void) const PURE;
+#else
+ virtual D2D1_POINT_2F* STDMETHODCALLTYPE GetCenter(
+ D2D1_POINT_2F *__ret) = 0;
+ D2D1_POINT_2F STDMETHODCALLTYPE GetCenter(
+ )
There should be no line breaks in these declarations.
BTW, what is the benefit of replacing `PURE` with `= 0` ? The only
difference I know at the moment is that the former is a macro that
expands to nothing hence can be used in a C source file, while the
latter is of course a C++ thing.
--
Best regards,
LH_Mouse
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