aaapi function to open document set content window

I'm not in a position to actually check this, but searching the help with *aaapi*set*dlg*, and then clicking on "Document Set Dialog Functions", my guess would be aaApi_SelectSetDlg(), but it might be one of the others in the search results.

Thanks for your response. Unfortunately, it isn't the required window. I've tried calling aaApi_ModifySetContentDlg, aaApi_SelectSetDlg, aaApi_SelectSetMembersDlgExt, aaApi_CheckOutDocumentSetDlg so far. But still no signs of flat set content window like this:

That is not a dialog, that is a Document List Frame.  I create one in the sample below to show the results of my search.  I don't see a function that returns a DocumentListFrame in the Set API calls. For what its worth, this is how I posted documents to a frame.  The code is in C/C++

void CreateAndDisplayDocumentSearch(LONG lProjectId)
{
	//FILE *fp;
	//_TCHAR line[256];
	//CStringArray caFolderList;
	WCHAR value[64] = L"";
	CString line;
	CString csSQueryName = _T("");
	LONG lIndx = 0;
	LONG lSearchCount = 0;
	LONG lProjectCount = 0;
	HAADMSBUFFER hCriteriaBuf = (VOID *)NULL;
	HAADMSBUFFER hSavedSearches = (VOID *)NULL;
	//HDSOURCE m_hDataSource;
	const GUID pset_DOCUMENT_GENERIC = PSET_DOCUMENT_GENERIC;
	LONG lSQueryId  = 0; //ID created 
	AADSCTREEITEM dscItem;
	HWND hWndFrame = (HWND)NULL;
	HWND hWndList = (HWND)NULL;
    HTREEITEM hSearchTree = aaApi_DscTreeSelectSearchResultsItem (NULL, aaApi_GetActiveDatasource ());

	//Creating Search Criteria Buffer Contents
	_ltow_s(lProjectId, value, 64, 10);
	hCriteriaBuf = aaApi_SQueryCriDataBufferAddCriterion(hCriteriaBuf,lIndx+1,VT_SINGLE_VALUE,&pset_DOCUMENT_GENERIC,	_T(""),
													 QRY_DOC_PROP_PROJ_ID, DMS_RELATION_EQUAL,AADMS_ATTRFORM_DATATYPE_BIGINT,
													 value);			
	if ( hCriteriaBuf == NULL )
	{
		line.Format(_T("project criteria creation failed when trying to add project %d."),lProjectId);
		WriteErrorToLog(line);
	}


	_itow_s(1, value, 64, 10); //Setting Include Subfolders to 1 or TRUE
	//This is supposed to be like checking the include subfolders box
	hCriteriaBuf = aaApi_SQueryCriDataBufferAddCriterion(hCriteriaBuf, lIndx+1, VT_SINGLE_VALUE, &pset_DOCUMENT_GENERIC,
													 NULL, QRY_DOC_PROP_INCSUBVAULTS, DMS_RELATION_EQUAL,
													 AADMS_ATTRFORM_DATATYPE_INT,value);
	if ( hCriteriaBuf == NULL )
	{
		line.Format(_T("project criteria creation failed when trying to add subfolders for project %d."),lProjectId);
		WriteErrorToLog(line);
	}
    

	memset (&dscItem, 0, sizeof (dscItem)); 	
	dscItem.ulMask = AADSCTIM_TYPEID | AADSCTIM_DATASOURCE | AADSCTIM_ITEMID; // some flags are skipped for simplicity 
	dscItem.hDataSource = aaApi_GetActiveDatasource();
	dscItem.lTypeId = DSCITYPE_SEARCH_RESULTS;
	dscItem.hItem = hSearchTree;


	hWndFrame = aaApi_CreateDocumentListFrame(aaApi_GetMainFrameWindow(), 
	0, 
	0, 
	512, 
	512, 
	&dscItem, 
	&hWndList); 


	aaApi_FindDocumentsToDocumentList(hWndList,hCriteriaBuf); 

	aaApi_DmsDataBufferFree(hCriteriaBuf);
	hCriteriaBuf = (VOID *)NULL;

}

That is not a dialog, that is a Document List Frame.  I create one in the sample below to show the results of my search.  I don't see a function that returns a DocumentListFrame in the Set API calls. For what its worth, this is how I posted documents to a frame.  The code is in C/C++

void CreateAndDisplayDocumentSearch(LONG lProjectId)
{
	//FILE *fp;
	//_TCHAR line[256];
	//CStringArray caFolderList;
	WCHAR value[64] = L"";
	CString line;
	CString csSQueryName = _T("");
	LONG lIndx = 0;
	LONG lSearchCount = 0;
	LONG lProjectCount = 0;
	HAADMSBUFFER hCriteriaBuf = (VOID *)NULL;
	HAADMSBUFFER hSavedSearches = (VOID *)NULL;
	//HDSOURCE m_hDataSource;
	const GUID pset_DOCUMENT_GENERIC = PSET_DOCUMENT_GENERIC;
	LONG lSQueryId  = 0; //ID created 
	AADSCTREEITEM dscItem;
	HWND hWndFrame = (HWND)NULL;
	HWND hWndList = (HWND)NULL;
    HTREEITEM hSearchTree = aaApi_DscTreeSelectSearchResultsItem (NULL, aaApi_GetActiveDatasource ());

	//Creating Search Criteria Buffer Contents
	_ltow_s(lProjectId, value, 64, 10);
	hCriteriaBuf = aaApi_SQueryCriDataBufferAddCriterion(hCriteriaBuf,lIndx+1,VT_SINGLE_VALUE,&pset_DOCUMENT_GENERIC,	_T(""),
													 QRY_DOC_PROP_PROJ_ID, DMS_RELATION_EQUAL,AADMS_ATTRFORM_DATATYPE_BIGINT,
													 value);			
	if ( hCriteriaBuf == NULL )
	{
		line.Format(_T("project criteria creation failed when trying to add project %d."),lProjectId);
		WriteErrorToLog(line);
	}


	_itow_s(1, value, 64, 10); //Setting Include Subfolders to 1 or TRUE
	//This is supposed to be like checking the include subfolders box
	hCriteriaBuf = aaApi_SQueryCriDataBufferAddCriterion(hCriteriaBuf, lIndx+1, VT_SINGLE_VALUE, &pset_DOCUMENT_GENERIC,
													 NULL, QRY_DOC_PROP_INCSUBVAULTS, DMS_RELATION_EQUAL,
													 AADMS_ATTRFORM_DATATYPE_INT,value);
	if ( hCriteriaBuf == NULL )
	{
		line.Format(_T("project criteria creation failed when trying to add subfolders for project %d."),lProjectId);
		WriteErrorToLog(line);
	}
    

	memset (&dscItem, 0, sizeof (dscItem)); 	
	dscItem.ulMask = AADSCTIM_TYPEID | AADSCTIM_DATASOURCE | AADSCTIM_ITEMID; // some flags are skipped for simplicity 
	dscItem.hDataSource = aaApi_GetActiveDatasource();
	dscItem.lTypeId = DSCITYPE_SEARCH_RESULTS;
	dscItem.hItem = hSearchTree;


	hWndFrame = aaApi_CreateDocumentListFrame(aaApi_GetMainFrameWindow(), 
	0, 
	0, 
	512, 
	512, 
	&dscItem, 
	&hWndList); 


	aaApi_FindDocumentsToDocumentList(hWndList,hCriteriaBuf); 

	aaApi_DmsDataBufferFree(hCriteriaBuf);
	hCriteriaBuf = (VOID *)NULL;

}