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Another question that has nothing to do with the previous one. Can I create C# object wrappers of COM interfaces? Suppose that C# has not got such objects in its class library. What am I going to do in this case?

Hi! Using Delphi I have managed to create wrapper objects of most of the ADO interfaces, such as _RecordSet, _Command, etc. Can I do the same in C#? Is this question relevant, by the way? I have no experience with C#.

These are the collections within ADO programming model: 1\ Errors - contains all the Error objects created in response to a single provider-related failure; 2\ Fields - contains all the Field objects of a Recordset object; 3\ Parameters - contains all the Parameter objects of a Command object...

Thanks! I have at my disposal an ADO connection. How to get these collections from this ADO connection?

Hi! I have the following problem. I use ADO connection object to connect to SQL server and ADO command object to execute commands on that server. In my program I undertake the following steps. 1. Connect to the SQL server 2. Create a database on the server by using the ADO connection...

Hi! I am writing a short program about a virtual printer. However, I am losing the contents of My Network Places folder when I am using GetSaveFileName() WINAPI function. Is there any clue that I can use to overcome this handicap? Or should I write the Save As dialog from scratch...

Hi, fellows! Could you tell me, please, how to implement concurrency control with Delphi, ADO and MSSQL Server? I would like to know how to implement both the optimistic and the pesimistic approach. Thank you in advance for your cooperation!

Hi, guys! I have the following problem. I would like to filter the input of a text field but when I press Tab to move the focus to the next input on the Web page. Thanks in advance for your cooperation!

Hi, fellows! How to set an empty value of an input radio button element by clicking on a button on the same Web-page? Thanks in advance!

Hi, fellows! How to focus on the first editable control on a HTML page? Thanks in advance for your cooperation! Regards!

I have insert SQL statements in stored procedures. The text that I insert, and then subsequently retrieve, is passes as a parameter to the SQL stored procedure. I use a class wrapper of the OleVariant type in Delphi. I see that your answer concerns program code written in C++. How to handle...

Hi, fellows! Could you tell me how to escape (encode) new line symbols in SQL Server database tables? How to extract these data afterwards? I have some tables with text and varchar(128) data fields and I would like to insert some strings that contain new line symbols. When I insert...

Hi, fellows! Could you tell me, please, is there any analogue in Delphi of the void type used in C/C++? I would like to use a value of the void type (as comprehended in C/C++) as parameter of a procedure/function. How to implement this in Delphi, if possible?

Hello, colleagues! Could you tell me how to read Timestamp data into OleVariant variable? I have a problem when trying to read a Timestamp data from Microsoft SQL Server table into an OleVariant variable. Could you tell me, please, how to handle this problem? Regards!

Hi, guys! I have the following problem. I implemented a mail client using the Indy component called TIdIMAP4. I set its connection properties - the mail server, the user name and the password (the port is set by default in the constructor). I got the following error: "Project sxi20prj.exe...

Hi, guys! Could you tell me how to implement Windows-like help viewer (system)? I would like to have integrated in my application a help viewer that looks exactly the same as the help window that pops up when pressing Start -> Help on the Widnows taskbar. Thank yo in advance foe your...

I mean XForms player, for example. XForms processor and viewer.

Hi, guys! Can you tell me how to indicate the address of a remote COM server? For instance, I created a remote COM server and a COM client. The server runs on a machine named "Apostol" and I can connect to the server from the client by writting the name of the machine, that is "Apostol". If...

Hi, guys! Could you tell me, please, what is the best forms player written in Delphi? Where I could find it? Regards!

Hi, guys! Could you tell me, please, what is the best report generator tool written in Delphi? Where I could find it? Regards!