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641: Play a custom sound
If you want to play the voice of the basic system, it will need to call the appropriate parameters MessageBeep. If you use speakers voice on the call MessageBeep (-1);. To play a WAV sound, you can use the object TmediaPlayer, but if you want fast ...

642: Dephi5 prepared to use control panel procedures
Provided in the Windows Control Panel, a window, a Windows Control Panel window as the control center. In the window such as "system", "Multimedia" icon by double-clicking the icon of these different, you can open a different pro...

643: Win2000 service using Delphi procedures to prepare
A, Win2000 Services Service (Service Application) running on WinNT is a background process, each service program (Service Application) may contain a number of services (Service), each service is one thread (the service can also create more sub-thre...

644: Serial control Spcomm routine
/ / Serial port initialization procedure TForm1.BitBtn3Click (Sender: TObject); begin comm1.startcomm; end; / / Close the serial port procedure TForm1.BitBtn4Click (Sender: TObject); begin comm1.StopComm; end; / / Send data procedure TFor...

645: Flashing title bar
In your application, you may want the application to flash the title bar to remind users of a certain operation, this article describes how to make the title bar of a window for flashing. Flashing a window means that the title bar of the title bar ...

646: Delphi application development WEB print components
I. INTRODUCTION In recent years, as the popularity of the Internet and promote the traditional stand-alone mode and the local c / s mode applications can not meet the increasing requirements of information sharing. Therefore, a new browser-based b ...

647: The production of real TopMost window
If a window TOPMOST not MainForm, then it is about to set the total at the top, it will be with the main window of the former before the former before the latter place before then. So how to solve this problem? Set BorderStyle first window bsNone, ...

648: Similar to WinAmp as the production of the "magnetic" windows
Winamp users are aware, Winamp playlist or equalizer to be moving in time, as if a magnetic force will be, when close to the main window when all of a sudden be "adsorbed" In the past, automatic alignment along the border. I want my Winamp...

649: Can not move the window sample code
unit Unit1; interface uses Windows Messages SysUtils Classes Graphics Controls Forms Dialogs StdCtrls; type TForm1 = class (TForm) Label1: TLabel; Label2: TLabel; Label3: TLabel; Label4: TLabel; Label5: TLabel; procedure FormCreate (Sen...

650: Made to replace the specified string function
This is my own string replacement function of neutron string, he can find from the string specified substring, and replaced with another substring. function replacing (S, source, target: string): string; var site, StrLen: integer; begin (source ...

651: Delphi in the mystery of RichEdit
I. How do I know if the current line number Using RichEdit (or memo) controls the production of a text editor, through the access lines  count the number of attributes can be the head office, but wants to know where the line of the current curso...

652: Delphi data set filtering techniques
When we set in operation data, they often need to sift the data dizzy for example: a Customer's data sheet, it has CustNo, CustName, Country, Address, Phone, State, TaxRate field, etc., If you want to view the country China or customers for its ...

653: Customized applications for VB tips floating
In Win95, when we mouse over a control when the mouse will be referred to the Department in a small pop-up window, told us that the use of controls, it is "floating tips." This may be prompted to provide relevant information in a timely ma...

654: DELPHI two graphics editing
One color gradient interface to achieve the effect of the color gradient interface effect of the painting by using gradient brush painting in order to achieve adjacent to the rectangular block. Here are examples: 1. Create a new form, assuming that...

655: Delphi Tips 2
First, how to dynamically change the screen resolution there are many gadgets can not restart Windows conditions, dynamic changes in screen resolution. Are you also want it to be a do-it-yourself? In the interface by adding the following paragraph a...

656: Delphi 3.0 in the function call model
Delphi 3.0 with the development of software, a hardware driver (DLL) of functions and procedures of the problem can not be a normal call, the hardware produced by the British Schlumberger, driver prepared to use assembly language. The "Programm...

657: Button to make a quick Delphi3 Article
Quick button for each bar graph represents the button functions of a common security    folder veranda-wei ┩ sharawadgiコlight yellow color magnetic lift inflation-resistant acute ǖ CarchesiumCourt Blastophagus  fat toad enzyme  c...

658: Delphi 4 new Object Pascal
This appendix is to describe the newly added Delphi 4 programming language Object Pascal. In conclusion, Delphi 4 of Object Pascal and adds the following major parts: Designated several new data types. Dynamic Arrays Method and Routine Overloadin...

659: Delphi3.0 of function call model
Delphi3  0 with the development of software, a hardware driver (DLL) of functions and procedures of the problem can not be a normal call, the hardware produced by the British Schlumberger, driver prepared to use assembly language. The "Progr...

660: DCU files (compiled library modules) reuse
(1) interface in the uses clause quoted. Such as Windows, Dialogs, etc. asked to be quoted on the DCU must Delphi 3 \ Lib subdirectory. (2) uses in the implementation in the quoted clause. If that is the DCU to the preparation of documents, this ap...


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