We then call GetVersionEx, raising an exception if the function returns false. If the function returns true then the information stored in the structure is valid. We would normally go on to use the fields of TOSVersionInfo in our program. However, Delphi steps in to make this process easier...
The code in this article has been tested with Delphi 4 and Delphi 7. There are subtle differences in behaviour between the two versions of the compiler that we need to take into account. These differences will be flagged up in the text. The code has not been tested with Delphi 5 or 6 ...
In order to receive such objects we have to make our application into a "drop target" that is recognised by Windows. We do this using COM (or OLE) drag and drop. As is usual with COM, we have to create an object that implements an interface – IDropTarget in this case – and then...
I'm translating some legacy stuff from another language to Delphi/Pascal. It has several arrays of variable sizes. I can't figure out how the function is declared. Codewise, I have Code: type CustomTable = record m_kind: integer; m_value: integer; m_name: array[1..16] of char; ...
Array of Bytes convert to bitmap in c++ array type int not assignable AssemblyInfo.cpp(1): warning C4005: '__CLR_VER' : macro redefinition || Slutprojekt.cpp(3): warning C4005: '__CLR_VER' : macro redefinition Assigning a control id to a win32 button Assigning an icon to the Win...
Is there a Telegram messenger component for use in Delphi? The first step will be to download theWebsocketscomponents suite ofESEGECEherein order to use theirTsgcTDLib_Telegramcomponent. Declare a new Telegram application To be allowed to connect to theTelegram Messengercloud, you will need an AP...
Following sample demonstrates how to update several records from Dept table simultaneously using parameter of PL/SQL Table type. Here is SQL statement used at our sample: DECLARE i INTEGER; BEGIN i:= 1; FOR rec IN (SELECT DeptNo FROM Scott.Dept WHERE RowNum <= 10 ORDER BY DeptNo) LOOP...
and when you copy this code to other function it will throw an error (at least it does on my 7.2 version). Its CreateFile and GetSystemPath that are buggy in some way. For example If you have this: hFile :THandle; Buffer: array [0 .. 4095] of Char; ...
In the realm of higher education, e-learning has emerged as a game-changer, reshaping the way students engage with their studies. The purpose of this study
1.1 DATASNAP EXAMPLE DATA WHERE YOU WANT IT In this white paper, I urge you to play along with the demos and examples. Although Delphi supports many different database systems using DBX4, dbGo for ADO or other data access technologies, in order to make it easy to play along with the ...