delphi

How to get the dos output. In delphi2009 with vista.

I use to get to dos output using delphi. What causes the code from http://delphi.about.com/cs/adptips2001/a/bltip0201_2.htm won't work with delphi2009 on vista? but it works on D7 in XP. i dont know what part to be modified to make it work. ...

What is the '#" symbol in Pascal?

For example: x := #123; I tried to search around Google but I simply have no idea what this means. ...

TRemotable Descendant Parent Members are not included in WSDL generated by delphi web services.

I've made Web Services with Delphi in the past but most were pretty simple that just took a few parameters and returned a single value to the client. A new service I am working on calls for me to be able to send and receive complex types. Consider the following types are defined in my code: TBaseRequest = Class(TRemotable) private ...

How to start a thread into a service in delphi 7, Windows XP?

Hi guys We need to Start a thread into a service application we developed. We did in the OnExecute event, and it failed, and later we did in the OnStart event, and it failed again. Maybe we have to do something else to start the thread. The line of code we only have to type is MonitorThread.Start; Where and how we can to start the th...

Good Delphi Blogs?

I just saw http://pages.cs.wisc.edu/~rkennedy/ which appears to be a very interesting in-depth blog about the Delphi programming language, compiler, and IDE. At the more basic level we also have http://delphi.about.com/, and http://delphibasics.co.uk. You can also have fun for a few minutes at http://scalabium.com/faq/dc_tips.htm. What ...

How to send a HTTP Post Request in Delphi 2010 using WinInet

Hi, I want to send a HTTP Post Request in Delphi 2010 using WinInet, but my script doesn't work ;/ It's my Delphi script: uses WinInet; procedure TForm1.Button1Click(Sender: TObject); var hNet,hURL,hRequest: HINTERNET; begin hNet := InternetOpen(PChar('User Agent'),INTERNET_OPEN_TYPE_PRECONFIG or INTERNET_OPEN_TYPE_PRECONFIG, nil, ...

Delphi, FileStream and MemoryStream

I want to copy a part of a FileStream to a memory stream. FileStream.Write(Pointer(MemoryStream)^, MemoryStream.Size); FileStream.Read(Pointer(MemoryStream)^, count); Is that right? it isn't working for me. ...

How to make the form into fully transparent 32bit alpha?

i use to create a full transparent form, but the png and the 32bit image will not blend to the form and images is not properly displayed its trnsparency. i get the concept here but i cannot put button on it. all abject are invisible except the image backgound. by the way my compiler is delphi7 and D2009 ...

Delphi: EnumPrinterData example

Hello. Can you please provide an example of using EnumPrinterData function in Delphi to get a list of printers in system? ...

How to generate unique serial number of machine in Delphi?

Hi, I have question how to generate unique serial number of machine in Delphi? I tried to do this using the ID the motherboard or processor, but unfortunately it's unfortunately supported. Partition serial numbers, etc. fall off, because it is changing after the formatted. I'm looking for something that doesn't change after the formatt...

Associate specific file extensions with my delphi app - any library for this?

So far if I had to associate the file extension with my application I used to simply modify the registry. However I haven't been doing it for years, and I'm afraid the things might have changed a bit. I have no idea how to prevent registry access restrictions in Windows 7 / Vista (if there are any for HKEY_CLASSES_ROOT). Thus I'm looking...

Delphi (win32) serialization libraries

Are there any Delphi serialization libraries that are capable of serializing records and arrays of records instead of classes? ...

Embedding a font in delphi

I'm working on an app that requires a particular barcode true type font that is unlikely to be on the user's PC. Can I somehow embed the font in the app, or do I need to use the installer to install the font? ...

How to make a simple voice recorder in pcm format?

i created a simple voice recording using wav format. my problem is i wanted it to save as PCM format using Tbass components form http://www.un4seen.com. My compiler is delphi. or convertion from mp3/wav to pcm. ...

alternative to check, whether a value is in a set

Hi All, I have the following code. It looks ugly, if the value equals to one of the following value then do something. var Value: Word; begin Value := 30000; if (Value = 30000) or (Value = 40000) or (Value = 1) then do_something; end; I want to refactor the code as follows: var Value: Word; begin Value := 30000; if (...

How can I force the SConscript builder to change directory?

Hello all, currently I'm trying to port a million-sloc legacy project from dull .cmd scripts to SCons. Parts of it are VC++, others are Delphi. Creating SConscripts for the C++ pieces was a breeze. To build the delphi part I've written a very simple builder which detects whether it is a program or library project. Calling the builder ...

Partial Postback ASP.NET 1.1

Hi, I have a ASP.NET 1.1 web application page which is built with .net framework 1.1 and in GridView the data is displayed. I want when they select multiple items then data is updated but without the complete postback of the page. Any help or suggestions please? ...

Why could "insert (...) values (...)" not insert a new row?

Hi, I have a simple SQL insert statement of the form: insert into MyTable (...) values (...) It is used repeatedly to insert rows and usually works as expected. It inserts exactly 1 row to MyTable, which is also the value returned by the Delphi statement AffectedRows:= myInsertADOQuery.ExecSQL. After some time there was a temporary n...

FastMM and Dynamically loaded DLLs

I have a host application, that loads a dozen of libraries at start up. I want to switch from Delphi 7s default memory manager to the full version of FastMM4 for better mem leak reporting. Should I include FastMM4 in the uses section of both the host application and the libraries? What about shared runtime packages? -Vegar Thanks fo...

Limiting method access in protected section to few classes

Hi, I want to limit the access of protected methods to certain inherited classes only. For example there is a base class like TBase = Class Protected Method1; Method2; Method3; Method4; End; I have two classes derived from TBase TDerived1 = Class(TBase) //Here i must access only Method1,Method2 and Method3 End; ...