C++ (Cpp) BListView::RemoveItemsの例

コード例 #1

ファイル: PListView.cpp プロジェクト: HaikuArchives/PDesigner

int32_t
PListViewRemoveItem(void *pobject, void *in, void *out, void *extraData)
{
	if (!pobject || !in || !out)
		return B_ERROR;
	
	PView *parent = static_cast<PView*>(pobject);
	if (!parent)
		return B_BAD_TYPE;
	
	BListView *backend = (BListView*)parent->GetView();
	
	PArgs *args = static_cast<PArgs*>(in), *outArgs = static_cast<PArgs*>(out);
	int32 index;
	if (args->FindInt32("index", &index) != B_OK)
		return B_ERROR;
	
	if (backend->Window())
		backend->Window()->Lock();
	
	bool outValue = backend->RemoveItems(index, 1);
	
	if (backend->Window())
		backend->Window()->Unlock();
	
	outArgs->MakeEmpty();
	outArgs->AddBool("value", outValue);
	
	return B_OK;
}