本文整理汇总了C++中wxDataObject::IsSupportedFormat方法的典型用法代码示例。如果您正苦于以下问题：C++ wxDataObject::IsSupportedFormat方法的具体用法？C++ wxDataObject::IsSupportedFormat怎么用？C++ wxDataObject::IsSupportedFormat使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类wxDataObject的用法示例。
在下文中一共展示了wxDataObject::IsSupportedFormat方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: QueryGetData
// information functions
STDMETHODIMP wxIDataObject::QueryGetData(FORMATETC *pformatetc)
{
// do we accept data in this format?
if ( pformatetc == NULL ) {
wxLogTrace(wxTRACE_OleCalls,
wxT("wxIDataObject::QueryGetData: invalid ptr."));
return E_INVALIDARG;
}
// the only one allowed by current COM implementation
if ( pformatetc->lindex != -1 ) {
wxLogTrace(wxTRACE_OleCalls,
wxT("wxIDataObject::QueryGetData: bad lindex %ld"),
pformatetc->lindex);
return DV_E_LINDEX;
}
// we don't support anything other (THUMBNAIL, ICON, DOCPRINT...)
if ( pformatetc->dwAspect != DVASPECT_CONTENT ) {
wxLogTrace(wxTRACE_OleCalls,
wxT("wxIDataObject::QueryGetData: bad dwAspect %ld"),
pformatetc->dwAspect);
return DV_E_DVASPECT;
}
// and now check the type of data requested
wxDataFormat format = pformatetc->cfFormat;
if ( m_pDataObject->IsSupportedFormat(format) ) {
wxLogTrace(wxTRACE_OleCalls, wxT("wxIDataObject::QueryGetData: %s ok"),
wxGetFormatName(format));
}
else {
wxLogTrace(wxTRACE_OleCalls,
wxT("wxIDataObject::QueryGetData: %s unsupported"),
wxGetFormatName(format));
return DV_E_FORMATETC;
}
// we only transfer data by global memory, except for some particular cases
DWORD tymed = pformatetc->tymed;
if ( (format == wxDF_BITMAP && !(tymed & TYMED_GDI)) &&
!(tymed & TYMED_HGLOBAL) ) {
// it's not what we're waiting for
wxLogTrace(wxTRACE_OleCalls,
wxT("wxIDataObject::QueryGetData: %s != %s"),
GetTymedName(tymed),
GetTymedName(format == wxDF_BITMAP ? TYMED_GDI
: TYMED_HGLOBAL));
return DV_E_TYMED;
}
return S_OK;
}示例2: QueryGetData
void CIDataObject::QueryGetData (
const wxDataFormat& rFormat
)
{
m_pDataObject->IsSupportedFormat(rFormat);
} // end of CIDataObject::QueryGetData