How Delphi!

Delphi’s holy source of knowledge!

  • How can I use TFile in Delphi

    TFile is a class in the IOUtils unit that provides a set of static methods for working with files. You can use these methods to perform various operations on files, such as creating, deleting, and renaming files, as well as reading from and writing to files. Here are some examples of how you can use…

  • How can I use TDirectory in Delphi

    TDirectory is a class in the IOUtils unit that provides a set of static methods for working with directories. You can use these methods to perform various operations on directories, such as creating, deleting, and renaming directories, as well as enumerating the files and subdirectories contained within a directory. Here are some examples of how…

  • How can I use IOUtils in Delphi

    IOUtils is a unit in the Delphi Standard Library that provides a set of functions and procedures for working with inputoutput (IO) operations. Here is an example of how you can use IOUtils in Delphi First, you will need to include the IOUtils unit in your code by adding the following line at the top…

  • How can I make Exception handling in Delphi

    In Delphi, exception handling is implemented using try-except blocks. A try-except block allows you to enclose a section of code that may raise an exception, and specify a separate block of code (the except block) to handle the exception if it occurs. Here is an example of how to use a try-except block in Delphi…

  • How can I use InterlockedCompareExchange in Delphi

    In Delphi, the InterlockedCompareExchange function is used to perform an atomic compare-and-swap operation on a 32-bit value. This function compares a given value to a specified target value, and if they are equal, it exchanges the target value with a new value. The function returns the original value of the target. Here is an example…

  • How can I use TGUID in Delphi

    In Delphi, you can use the TGUID type to represent a globally unique identifier (GUID). A GUID is a 16-byte (128-bit) value that is used to uniquely identify objects, such as database records or COM objects. To create a new GUID, you can use the CreateGUID function, which generates a new, random GUID. You can…

  • How can I use TTask in Delphi

    In Delphi, you can use the TTask class to create and manage tasks. A task is a unit of work that is executed asynchronously and concurrently with other tasks. Tasks are useful for performing long-running or CPU-intensive operations, as they allow you to divide the work into smaller units and execute them concurrently, improving the…

  • How can I make multi threading in Delphi

    n Delphi, you can use the TThread class to create and manage threads. To create a thread, you need to define a new class that descends from TThread and overrides the Execute method. The Execute method is where you put the code that you want to run in the thread. Here is an example of…

  • How can I synchronizing threads and GUI in Delphi

    In Delphi, you can use the Synchronize method of the TThread class to synchronize a thread with the main GUI thread. The Synchronize method allows you to execute a method in the context of the main GUI thread, while the current thread waits. This is useful when you need to update the GUI from a…

  • How do I use thread in detail in Delphi

    In Delphi, you can use the TThread class to create a new thread. Here is an example of how to use TThread uses System.Classes; type TMyThread = class(TThread) private { Private declarations } protected procedure Execute; override; end; procedure TMyThread.Execute; begin { Place thread code here } end; var MyThread TMyThread; begin MyThread := TMyThread.Create(False);…