Delphi chkdsk C++ Print ShellExecute SMTP SendMail GetDriveType C# CGI C# CGI Example C# CGI Sample SW_HIDE SW_SHOW CGI QUERY_STRING TPrintDialog UDP Receive TOSVERSIONINFO SOCK_DGRAM Print Dialog PostMessage UDP getenv GetVolumeInformation ShowWindow Datagram Removable Disk Detection GetWindowsDirectory available memory GetSystemDefaultLangID GetSystemDir GetSystemDirectory GetVersionEx ASCII GetWinDir GetWindowsDir available memory space GetWindowsVersion Gradient Filled Form Hard Disk Volume Lable Hard Disk Volume Name HDD Volume Lable HDD Volume Name Animated Icon CGI Sample DateTimeToSystemTime Desktop Wallpaper DISP_CHANGE_FAILED DISP_CHANGE_NOTUPDATED CreateEllipticRgn 켜져있는시간 Client/Server ChangeDisplaySettings available memory size FindWindow Focus CAsyncSocket free memory size free memory space Caption Bar

POSTMESSAGE.ZIP

How to Close Another Application by Windows Caption   (created at Sep 18, 2007)   51  

To programmatically close another application, send to the application a WM_QUIT message. "Window caption" is the caption of the window that you are sending the message to. Usage: if not KillApp('Window caption') then ShowMessage('App not closed') ;Here's ...

Fast and Good Keyboard/Mouse Test without the message handler   (created at Aug 27, 2007)   70  

In this short snippet, I will show you a Win32 function that checks whether a button is pressed or not. The good thing is that you don't need to handle the WM_KEYDOWN message. The second advantage is that it is really easy to use and that it can be used ev...

MFC based World Wide Web HTTP Server Source Code   (created at Aug 28, 2007)   65  

The below attachment is HTTP Server source code that supports CGI. Detail Description: HTTPSVR is an MFC sample that demonstrates the use of MFC and its Windows Sockets (WinSock) classes in implementing a simple World Wide Web HTTP server. HTTPSVR turns an...

Creating and Using a CAsyncSocket Object to use CAsyncSocket   (created at Aug 28, 2007)   72  

Followings are the procedure to send/receive UDP packet by CAsyncSocket.STEP 1. ConstructionConstruct a CAsyncSocket object and use the object to create the underlying SOCKET handle.Creation of a socket follows the MFC pattern of two-stage construction.For...

UDP Send and Receive Using CAsyncSocket   (created at Aug 28, 2007)   31  

The following is sample code showing use of CAsyncSocket to send and receive UDP packets. I used the ClassWizard to create a class (CUDPSocket) derived from CAsyncSocket. The derived class does little more than override OnReceive. The derived class is used...

Using the shell to receive notification of removable media being inserted or removed   (created at Aug 28, 2007)   30  

Recently I needed to determine when removable media, such as a zip disk or media card, had been inserted by the user. I initially looked into the WM_DEVICECHANGE broadcast message only to realise this supports CDROMs and little else. Fortunately there is a...

Simple CGI Programming in C   (created at Aug 27, 2007)   54  

Here's the simplest C based CGI example. #include #include int main(void){    char *data;    printf("Content-Type:text/html;xdxa"); ");&n...

C++ CGI Example working on Apache   (created at Aug 27, 2007)   49  

In this short howto I will explain how to setup your apache webserver to run any compiled application as an CGI script and show a little example program to explain the main concepts. So why does someone might have the idea to execute an application? There ...

How Do I Remove The Application Icon From The Taskbar?   (created at Aug 25, 2007)   32  

To remove the icon from the taskbar, you need to call a Windows API call:BOOL ShowWindow(HWND hwnd,int nCmdShow);Delphi makes it very easy to use this command. All you need to do is supply the Application.handle and SW_HIDE to remove the icon from the task...

How To Show The Print Dialog And Print Text Files   (created at Aug 25, 2007)   50  

This code show an example of how to print a text of a RichEdit component.unit Unit1; interface uses   Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,   StdCtrls, ComCtrls; type   TForm1 = class(TForm)     ...

How To Make An Animated Application Icon   (created at Aug 25, 2007)   52  

Show how to create an animated icon in your programvar  icon1:Boolean; ... procedure TForm1.Timer1Timer(Sender: TObject); begin   if icon1=false then   begin     Application.icon:=Image1.Picture.Icon;      icon1:=tru...

How To Pass The Focus To The Next/prior Control   (created at Aug 25, 2007)   54  

Shows how to activate the next or prior control in a formnext control: SendMessage(Form1.Handle, WM_NEXTDLGCTL, 0, 0); prior control: SendMessage(Handle, WM_NEXTDLGCTL, 1, 0);

How To Make Rounded Windows   (created at Aug 25, 2007)   34  

Create a different form in your application...procedure TForm1.FormCreate(Sender:TObject);  var    region: HRgn;  begin    region:=CreateEllipticRgn(1,1,200,200);    SetWindowRgn(handle, region, true);  end;

How To Get Windows Uptime   (created at Aug 25, 2007)   36  

Find how long Windows has been working...function UpTime: string; const ticksperday : integer = 1000 * 60 * 60 * 24; ticksperhour : integer = 1000 * 60 * 60; ticksperminute : integer = 1000 * 60; tickspersecond : integer = 1000; var  t : longword; &nb...

How To Find Out Total And Available Memory   (created at Aug 25, 2007)   33  

Get the total and available memory in your system. (Total free memory space in your system)procedure TForm1.Button1Click(Sender: TObject); var   memory:TMemoryStatus; begin   memory.dwLength:=sizeof(memory);   GlobalMemoryStatus(memory); &nb...

How To Change The System Time   (created at Aug 25, 2007)   33  

This code shows how to set the system time to another value.procedure TForm1.Button1Click(Sender: TObject); var    systemtime : TSystemTime;    NewTime:string; begin    NewTime:='13:58:00';    DateTimeToSystemTime( D...

How To Get The Windows OS Version   (created at Aug 25, 2007)   47  

 Identify the Windows version of your systemfunction GetWindowsVersion : string;  var    OsVinfo   : TOSVERSIONINFO;    HelpStr   : array[0..50] of char;  begin    ZeroMemory(@OsVinfo,sizeOf(OsVinfo));...

How To Change The Desktop Wallpaper   (created at Aug 25, 2007)   35  

Change the wallpaper of your system by codeuses    Registry, WinProcs;  procedure SetWallpaper(               sWallpaperBMPPath : String;               bTile : boolean );&...

How To Get The Windows Language   (created at Aug 25, 2007)   32  

Obtains the language that Windows is using.function Language:string;  var    sLangID:LangID;    sLanguage: array [0..100] of char;  begin    sLangID:=GetSystemDefaultLangID;    VerLanguageName(sLangID,sLang...

How To Make A Gradient Filled Form   (created at Aug 25, 2007)   29  

Show how to paint a form in a different way...procedure TForm1.FormPaint(Sender: TObject); var   Row, Ht: Word;   IX: Integer; begin   iX :=200 ;   Ht:=(ClientHeight + 512) div 256;   for Row := 0 to 512 do   begin   &nbs...

How can I hide the caption bar on a form?   (created at Aug 25, 2007)   31  

To hide the caption bar you need to override on of the default form methods CreateParams (this also exists for other objects).The CreateParams method initializes a window-creation parameter record passed in the Params parameter (ref:Delphi Help).Go to the ...

How To Send An E-mail By Code   (created at Aug 25, 2007)   29  

Use this function to send an e-mail through your program. You must have the component TNMSMTP from FastNet tools. This component is included in Delphi 4-5 Professional and Enterpriseprocedure TForm1.Button1Click(Sender: TObject); begin   NMSMTP1.Host ...

How To Open Url In Default Webbrowser   (created at Aug 25, 2007)   32  

Use this function to open your browser with a given URL.uses    shellapi;  ....  procedure TForm1.Label1Click(Sender:TObject);  begin    shellexecute(handle,'open','http://www.swissdelphicenter.ch', nil,nil,sw_show); ...

How To Check If A Soundcard Is Installed   (created at Aug 25, 2007)   42  

Use this code to verify if a soundcard is installed in your systemuses mmsystem;  ...  function Soundkarte:Boolean;  begin    Result := WaveOutGetNumDevs >0;  end;

How To Change Screen Resolution   (created at Aug 25, 2007)   57  

Change the resolution of your screen.Actually I've ever used this function for TV-based software development, because of TV-resolution.{ The function NewRes can have the following result: DISP_CHANGE_SUCCESSFUL The settings change was successful. DISP_CHAN...

How To Force The Correct Decimal Separator   (created at Aug 25, 2007)   30  

Some English speaking countries use the "point" as decimal separator, while the rest of the world is using the "comma". How can you make sure that the user will press the correct key when entering a number with a decimal fraction? With the code in this exa...

How To Register Own File Types   (created at Aug 25, 2007)   56  

Use the registry to register your own filetypeuses registry; procedure TForm1.RegisterFileType(prefix:String; exepfad:String); var   reg:TRegistry; begin   reg:=TRegistry.Create;   reg.RootKey:=HKEY_CLASSES_ROOT;  

How To Get Volume Name   (created at Aug 25, 2007)   33  

Obtains the volume name of a indicated drivefunction VolumeName(Laufwerk: Char): string; var max, Flags: DWORD;     Buf: array [0..MAX_PATH] of Char; begin  try   GetVolumeInformation(PChar(Laufwerk + ':'), Buf, sizeof(Buf), nil, max, F...

How To Get Windows And System Directory   (created at Aug 25, 2007)   40  

Get the name of the Windows and System directory used in your systemfunction GetWinDir: String; var   dir: array [0..max_path] of char; begin  GetWindowsDirectory(dir, max_path);  result:=StrPas(dir); end; function GetSysDir: String; var &nb...

Get The Drive Type   (created at Aug 25, 2007)   42  

Shows how to identify the type of the drive you are acessing.procedure TForm1.Button1Click(Sender: TObject); var   typ:Integer;   s: string; begin   s:='C:';   typ:=GetDriveType(PChar(s));   if Typ <> 0 then case typ of   &nbs...


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