I have read the MSDN documentation about ILockBytes::SetSize(), but it does not answer precisely whether my implementation of SetSize() should preserve existing data. For example, if the current ...

I have implemented a drag-and-drop receiver (C++, WINAPI). It allows me to get a storage with a dragged object (OLE IStorage object). I need to "convert" it to a byte array (something like a ...

I have got a storage, created from MS Outlook letter dragged to my window. How can I save it's (storage) contents as a file in a single file ? I have read MSDN about manipulations with storages - ...

I'm trying to change the keyword property (under the Summary Information property set) of a folder. I am aware that I can accomplish this using the StgCreatePropSetStg() function, which takes an ...

When I run the prog below, the result value of the stgOpenStorage is STG_E_SHAREVIOLATION. How should I close the IStorage to get it unlocked? procedure TForm1.btnSaveClick(Sender: TObject); var ...

I need to work with IStorage and IStream interfaces in Delphi 7. I need the name list of storages and streams in IStorage instances. If I try to collect them like this: procedure TStorageUtility....

I'm reading and writing Structured Storage files from C#. To open the file i call IStorage StorageInterface; int result = StgOpenStorage(filename, null, STGM.READWRITE | STGM.SHARE_EXCLUSIVE, IntPtr....

I am reading a structured storage file. And trying to get all child elements of the root structure. But I am getting access violation exception while doing so. Here is the native methods, [ComImport]...

I've used SHGetDesktopFolder() to get a PIDL and then walked down it's contents using IShellFolder. I now have a particular PIDL referencing a filesystem location, and I can use BindToStorage and ...

I am trying to convert EML in to MSG file. I create mapi object IMessage on IStorage object; Assign class-id CLSID_Message to IStorage object; Parse EML file, read properties and assign them to mapi ...

I'm trying to create pst msg store using IMAPISession method: pses_->OpenMsgStore(0, prows->aRow[0].lpProps[1].Value.bin.cb, (LPENTRYID)prows->aRow[0].lpProps[1].Value.bin.lpb, NULL, ...

I am developing a firefox extension which reads and writes to a sqlite database. I ran an async query to fetch 20 rows from a database, and the callback function which handles the receipt of data gets ...

I'm implementing a property handler for a structured storage file and would like to initialize it with IInitializeWithStream given its benefits of isolation, handling slow transfer, etc. But I see no ...

I'm a C++ developer wrestling with updating an application that had made extensive use of the IStorage interface to open pre-Office 2007 documents from in-memory storage (via ILockBytes). If you are ...

I'm trying to embed a PDF file into a Word document using the OLE technique described here: https://learn.microsoft.com/en-us/archive/blogs/brian_jones/embedding-any-file-type-like-pdf-in-an-open-xml-...