JVCL Components

 

JV Additional

TJvBevel	Enhanced version of a TBevel.
TJvBitBtn	Enhanced version of a TBitBtn with an HotTrack effect, a DropWodnMenu, and some new events.
TJvCheckListBox	Enhanced version of a TCheckListBox with search methods, HotTrack effects, an Horizontal scrollbar, etc...
TBUControlBar	This is an enhanced version of a TControlBar.
TJvDrawGrid	Enhanced version of a TDrawGrid.
TJvImage	Enhanced version of a TImage with 5 different positions and some new events like OnMouseEnter and OnMouseLeave. The default image is stored in the classic Picture property, and all different images are stored in the Pictures property. There is 4 non classic positions : Entered when the user has entered the control with the mouse Clicked1 when the user has clicked the image once Clicked2 when the user has clicked the image twice Down when the user is clicking the image The current position can be read in the State property, and you can modify it to force a specific state. If no image is available for a specific state, the state is ignored.
TJvPictures	This class is the list of images used in the TJvImage.
TJvMaskEdit	Enhanced version of a TMaskEdit.
TJvScrollBox	Enhanced version of a TScrollBox.
TJvShape	Enhanced version of a TShape.
TJvSpeedButton	Enhanced version of a TSpeedButton.
TJvSplitter	Enhanced version of a TSplitter.
TJvStaticText	Enhanced version of a TStaticText.
TJvStringGrid	Enhanced version of a TstringGrid with load/save from CSV capacities, load/save from stream capacities and load/save from file capacities. It has also a sort method.

JV Controls

TJvButtonShaped	A button with the shape you want.
TJvClock	A simple clock
TJvControlPanel	A button with all cpl available
TJvFavoritesButton	A button with all favorites from explorer
TJvFontCombobox	A combobox to list all fonts using those fonts
TJvGammaPanel	This component is a small gamma panel (like you can see in some painters)
TJvImageCombobox	This component allow you to display some images in a combobox. (A text must be associated with each image!. The text can be ' ').
TJvImageListBox	This component allow you to display some images in a listbox. (A text must be associated with each image!. The text can be ' ').
TJvOutlookPanel	An outlook panel like. This component is not a Microsoft based component and is so compatible with all window version without any limitation. The panel has a title area and a button to hide the panel. If the user clicks the button, the panel is automatically hided.
TJvOutlookTitle	This class contains the options of the Title area for the TJvOutlookPanel.
TJvPlaylist	A playlist (like you can find in every mp3 player)
TJvRecentMenuBtn	A button with all recent documents from the start menu
TJvRegistryViewer	A registry Viewer
TJvScrollText	This is a scroll text with mutli lines
TJvSlider	A simple slider with images. An image for the ruler and another for the thumb. the image for the thumb is a combination of two thumbs (one for the normal mode and the other for the pushed mode).
TJvSpecialProgress	A progress bar clone. On this progress bar, you can choose from solid to classic, gradient or filled and you can also show the percentage of progression on it.
TJvStartMenuBtn	A button with all links from the start menu
TJvWaitingGradient	A waiting gradient, like you have probably seen in a famous web browser.
TJvWaitingProgress	I have been inspired for this component during the installation of my Windows 98 (c) Microsoft corporation. This progress bar is a Copy of the one you see in the dialogs asking you to restart. You specify a timeout, and the progress bar fill itself until the delay has expired, and it fires an event.
TJvZoom	This component is really useful to display a zoomed part of the screen.

JV Conversions

TJvFormToHtml	This component transform a form in html code. It will save memo, checkboxes, radiobutton, edit boxes, button, listboxes and comboboxes.
TJvRgbToHtml	This component will help you to translate html to rgb color and vice versa
TJvRichEditToHtml	This component will translate a richedit into an html code (with color,style,...)
TJvStringListToHtml	This component will convert a TstringList to an html file
TJvStrToHtml	This component will help you to encode a string into html code (for letters like éùô,...)

JV Dialogs

TJvCommonDialog	This is the base class for a JV Dialog. Only useful for property editors.
TJvCalculator	This component will show a dialog with a calculator
TJvCopyError	A dialog to tell the user an error occurred when you were Copying a file
TJvDeleteError	A dialog to tell the user an error occurred when you were deleting a file
TJvDiskPrompt	This component will show a dialog to ask for a specified disk
TJvExchListboxes	A dialog to exchange strings between two lists
TJvFatalAppExit	A dialog to show a fatal Application error (and it will exit)
TJvFindFiles	This component will show the dialog to find files
TJvImageDlg	This dialog will show a dialog with an image
TJvInputBox	This dialog will simply ask a string at the user
TJvLoginDlg	A dialog to ask a login
TJvMessageBeep	A message dialog with sound
TJvMessageBox	A message dialog
TJvNagScreen	A dialog to show a nag screen on the creation of the Application
TJvPasswordForm	This component will show a dialog to enter a password
TJvProgressDlg	A dialog to show a progress
TJvRenameError	A dialog to tell the user an error occurred when you were renaming a file
TJvSelectDirectory	This component will show a dialog (classic or window specific) to browse for a folder.
TJvSerialDlg	A dialog to ask a serial
TJvTipsOfDay	A dialog for showing a tip of the day. This dialog is automatically showed on startup.

JV Edits

TJvButtonBox	A small box for what you want. You can do what you want when the button is pushed
TJvCalculatorBox	A small box who displays a calculator when you push the button.
TJvCustomBox	This component is used as ancestor of all edit/button based editors. You should never use directly this component.
TJvCustomButtonOptions	This class contains the options for the TSpeedButton of the TJvCustomBox.
TJvCustomEditOptions	This class contains the options for the EditBox of the TJvCustomBox.
TJvDirectoryBox	A small box for the selection of a directory
TJvDirectoryOptions	This class contains all the options for the dialog of the Directory Dialog.
TJvFileNameBox	A small box for the selection of files
TJvFloatEdit	An edit box to ask a float Value
TJvFontBox	A font dialog with an edit showing the font selected.
TJvImageBox	A small box for the selection of images
TJvIpBox	An edit box to ask an IP

JV Forms

TJvAnimtitle	This is a small animation for the title of your form ... funny.
TJvAppAnimatedIcon	This component provide you a way to animate the icon of your Application.
TJvAutoSizeCompo	This component is useful to resize all your components in a sizeable form.
TJvFlashApplication	This component is to attract the attention of the user to your Application. The title of the Application in the task bar will flash.
TJvFlashForm	This component is to attract the attention of the user to your form. The title of the form will flash.
TJvFormAnimatedIcon	This component provide you a way to animate the icon of your form.
TJvFormAnimation	This component provides you 18 different animations to show/hide your form
TJvFormButton	This class is a component for adding a button in the caption area of a form. (Next to the minimize/maximize/close buttons)
TJvFormPlace	This component will remember the position of your form and replace it at the same place when your relaunch the Application. First time, it will center it on the screen.
TJvFormWallpaper	This component will draw the image you gave him on the form, as a wallpaper.
TJvFormMagnet	This component will modify the comportment of your form when moving it near the extermities of your screen of near the main form of your Application. Your form will be magnetized by the borders of the screen, like you have probably seen in a famous MP3 player.
TJvNoTitle	An easy way to remove the title of your Application.
TJvPerforated	This is the easiest way to make a hole in your form. You can only use one in the same form !!!!. In design time, it will be like a panel and on runtime, it will be transparent !.
TJvTransForm	This is another way to make a transparent form. This component will hide all non used parts of your form. (only controls will be visible). Attention, if you change the size of any control, you'll have to deactivate and then reactive this component to change the region of the form
TJvTransparenTForm	This component is for making more complex transparent forms. Just Create a mask, and load it !
TJvTrayIcon	This component is for placing an icon in the TrayIcon. You can also put a small animation...

JV Labels

TJvAngleLabel	The text on this label can be displayed in any direction. (from 0 to 360 degrees!)
TJvAppearingLabel	This label will appear on your from on runtime.
TJvBlinkingLabel	This label will blink every x milliseconds for y milliseconds.
TJvBouncingLabel	This is a bouncing label. (The label will move in your form)
TJvHotLink	This label is very useful !. Simply drop it on a form, modify his URL property and compile. Now, when you click on it, it will launch a browser with your URL...
TJvMailTo	This label is very useful !. Simply drop it on a form, modify his mail subject,... property and compile. Now, when you click on it, it will launch an emailer, Create a new mail with the correct subject/addressee/cc/bcc
TJvRealLabel	This label simulate a human typing... just drop it on a form to understand :)
TJvReversedLabel	This label is reversed vertically.
TJvScrollingLabel	This label will scroll in the direction you want. (this is for a single line only)
TJvSpecialLabel	This is a label who display a small animation for each letter. I saw something like that on my television.
TJvWinampLabel	This label supports winamp text skins. Just download skins from www.customize.org or www.winamp.com

JV MP3

TJvBreatheButton	This is the button object used in the TJvBreatheSkin component. Use this object to change some aspect of each button.
TJvBreatheButtons	This is the set of buttons used in the component. (14 buttons). All of them are not necessary visible on every skin.
TJvBreatheLabel	This is the label object used for the TJvBreatheSkin component. You'll find here all published properties for all labels.
TJvBreatheLabels	This is the set of labels used in the component. (9 labels). All of them are not necessary visible on every skin. if the label is not visible, left, top, width and height are null.
TJvBreatheOption	This is the option set of the TJvBreatheSkin component. Those options contains the AutoSize, AutoMove, AutoRegion and EasyMove properties.
TJvBreathePosition	This is the set of options for the Position slider.
TJvBreatheSkin	An implementation of the Breathe Skin format. Breathe is a program we made some long months ago to play MP3 files. As other MP3 players, we had skins and this component allows you to use those skins. You just have to tell the path of the INI file and the component will do the job for you. The default skin is from Anthony Lui. You can freely use this skin and other's in your program, as those skins were from another program from us. You can also write your own skins using the program we wrote too (you can found it on http://www.buypin.com/breathe). You'll also find some skins (around 30) on our site and on http://www.customize.org. As Breathe is an old project, his site is not updated anymore, but all information are still available. Have a great time, and good luck writing your own player.
TJvBreatheVolume	This is the set of options for the Volume slider.
TJvId3v1	This component is for reading/writing id3v1.0 tag in MP3 files. ID3 is a small tag (128 bytes for id3v1) at the end of the file who contains some information for the song (artist, SongName, album, comments, ...). This tag has a news version (2.0) but is not supported yet by mostly all mp3 players. You can find all information you want at http://www.id3.org, the official page for the id3 standard. Modified in JVPack 1.2
TJvId3v1Tag	This persistent is the interface between the id3 information and the TJvVisualId3v1.
TJvVisualId3v1	A visual form of the id3 tag 1.0. You just have to drop it on a form, and set the FileName property to an mp3 file, and that's all.
TJvWinampApi	This non visual component enables you to control winamp from your Application. if winamp is loaded, you can play, stop, pause, get the total time, get the elapsed time, change the volume, seek to a position, ... This is just an interface to the Winamp Api published on their site. Declarations of those api's are in the hWinamp.pas. Before to retrieve any Value or to call any method, you should test if winamp is currently loaded by watching the WinampPresent property. Verify the version of winamp you are using before using any of the property/method. if you try to use any of them with a prior version of winamp, the component will raise a EWinampError. Winamp is a registered trademark of NullSoft.

JV Multimedia

TJvCdUtils	This component if for opening/closing the CD drive
TJvCreatedWith	An image saying "designed with Delphi" or "Created with Delphi". This is just a small image to say that you have coded your Application with Delphi.
TJvImageRotate	This component is for rotating a bitmap... Very cool effect!
TJvImageSplit	This component splits images into R/G/B or H/S/V or monochrome
TJvImageTransform	This component is for making animations between two pictures.
TJvScreenCanvas	This is the easiest way to read/write pixels from the screen !
TJvScreenCapture	This component is for capturing the screen or a part of it to a bitmap
TJvScreenResolution	This is the easiest way to change the resolutions of the screen and to list all resolutions supported.
TJvSoundControl	This component is for changing the sound and the balance of cd/wav/midi
TJvSpecialImage	A TImage with some new properties. You can change the Brightness of the image, you can also change some other aspects (invert, flip, mirror). There is also two methods to fade-in/fadeout the image. Added in JVPack 1.2
TJvStarfield	This component is for showing a starfield with any stars you want, and at the speed you want.
TJvWavePlayer	This component is for playing wav files from a file, a resource or from the memory.

JV Net

TJvFtpGrabber	Able to download a file on a ftp server in a separated thread. In other words, it will download a file from the web without disturbing your Application. It will only tell you the progression, the possible errors and when it has finished. To use this component with Builder, you have to add WinInet.lib to your project !!!
TJvHtmlParser	An html parser. It will parse a file for certain piece of code.
TJvHttpGrabber	Able to download a file on an http server in a separated thread. In other words, it will download a file from the web without disturbing your Application. It will only tell you the progression, the possible errors and when it has finished. To use this component with Builder, you have to add WinInet.lib to your project !!!
TJvImageMailTo	This component display an image, and, when you click on it, it launch a mailer with a new email.\}
TJvImageSurfTo	This component display an image, and, when you click on it, it launch a browser with an URL.
TJvMultiHttpGrabber	This component has been designed to make multiple download at the same time. All download are processed in a separated thread, and doesn't perturb your application. You application won't appear as "not responding" while downloading a file.
TJvSurfTo	An invisible one to launch a browser with an URL or to send an email.

JV Standard

TJvButton	Enhanced version of a TButton with a font effect, new events like OnMouseEnter and OnMouseLeave, ...
TJvCheckBox	Enhanced version of a TCheckBox with an autosave property, new events like OnMouseEnter and OnMouseLeave, and an HotTrack effect!
TJvCombobox	Enhanced version of a TCombobox with auto completion, new events like OnMouseEnter and OnMouseLeave, Autosave the index, methods to search string or prefix, ...
TJvEdit	Enhanced version of a TEdit with Autosave capacity, new events like OnMouseEnter and OnMouseLeave, Ctl3D effect, ...
TJvGroupBox	Enhanced version of a TGroupBox with some new events like OnMouseEnter and OnMouseLeave.
TJvLabel	Enhanced version of a TLabel with two colors (one for the normal mode and another for the rollovered mode), new events like OnMouseEnter and OnMouseLeave, ...
TJvListbox	Enhanced version of a TListbox with an horizontal scrollbar, new events like OnMouseEnter and OnMouseLeave, methods to search string, prefixes, and so on, and also some methods to select all/none or to invert the selection.
TJvMemo	Enhanced version of a TMemo with a ctl3d effect, some new events like OnMouseEnter and OnMouseLeave, ...
TJvPanel	Enhanced version of a TPanel with some new events like OnMouseEnter and OnMouseLeave, ...
TJvRadioButton	Enhanced version of a TRadioButton with an autosave property, new events like OnMouseEnter and OnMouseLeave, a font effect when the user rolls over the control, ...
TJvRadioGroup	Enhanced version of a TRadioGroup with an autosave property for the item index, new events like OnMouseEnter and OnMouseLeave, ...
TJvScrollBar	Enhanced version of a TScrollBar with a ctl3d effect, new events like OnMouseEnter and OnMouseLEave, ...

JV Utils

TJvAlarms	This component will remind you a certain time on a certain date.
TJvApplication	An easy way to access all TApplication methods/properties
TJvAssociateExtension	This component will associate an executable to a document type
TJvChrono	This component let you measure time between two moment... Just start the chrono and then, the time if counting until you stop it .. (Note : this component doesn't use any timer/thread !)
TJvComplex	An implementation of a complex type. you can add multiple complex and multiply them.
TJvCplLauncher	This component will launch any control panel unit you want. Just specify the path for it, and it will launch it !.
TJvCreateShortcut	This component let you Create shortcut on the desktop/startup menu/everywhere...
TJvDirectories	This component let you easily access to all system directories
TJvDragDrop	An implementation of the drag/drop (simply drop it on a form and you'll now when a drag/drop is made on your form)
TJvDrivePresent	This component prevent you if a disk is in a drive or not (for CD-ROMs, disks,...)
TJvExecute	This component let you launch an Application easily and even to wait for his end
TJvExitWindows	This component let you restart/reboot/... windows
TJvFileInformations	This component will give you some information from an executable
TJvFilesUtils	This component is for Copying/deleting/moving files with the explorer dialog. Every procedure allow wildcards.
TJvInstances	This component will help you to limit the instances of an Application.
TJvKeyboardStates	This component will retrieve the numlock/capslock/scrollock states
TJvMemoryInfos	This component will help you to spy the memory usage
TJvRecentDocs	This component is useful to add an used document in the documents list in the start menu
TJvSafeMode	This component is for turning on/off the monitor
TJvSearchFile	A way to search files on a drive.
TJvSendKey	This component is for sending keys to another Application
TJvSerialMaker	This component is useful for the generation of serials for shareware programs.
TJvThread	A visual implementation of a thread !
TJvTraybar	This component is for hiding/showing the traybar and/or the start button

JV Utils 2

TJvCabFile	An implementation of the setupapi.dll for the cab file. This way of supporting cab files only support the extraction of files.
TJvClipboardViewer	A clipboard viewer (text/bitmap)
TJvCommStatus	This component will retrieve the control-register values of a modem installed on a com port. You just have to specify the com port number, then, an event will be raised each time the status has changed. NOTE : When you are using this component on a com port, you are not able to use it anymore ... I haven't found a way to share it efficiently.
TJvComputerInfo	This component gives you access to some information from the system (ComputerName, Workgroup, ComputerOwner, Company, DVDRegion, ...).
TJvDataEmbedded	This component is intended for embedding files into the exe file without having to create a resource file. The only thing you have to do is to double click on the data property and choose a file!
TJvDirectorySpy	This component allows you to spy a directory and his subdirectories. You can spy FileName changes, directory name changes, attributes changes, size changes, last write changes (and security changes under windows NT). Be aware, using a security spy under windows 95/98 will fail !.
TJvEasterEgg	This component is for fun only ... Put it in an about box and specify the string you want to be the egg ... And when the string has been entered by the user, you receive an event and you have to show the egg. (An Easter egg is a form or a funny feature hided from common users, in Delphi, in the about box, try alt+developers or alt+team and alt+jedi (in delphi5)).
TJvLogFile	This component is designed to save and retrieve information from a log file. The log is saved in a classic text format and is readable by any text viewer. This component has also a method to display directly the log file to the user (in a new dialog).
TLogRecord	This class is used to retrieve information from a log file. This class is used in the TJvLogFile component.
TJvMousePositionner	This component is useful for positioning the mouse cursor to a specific position of the screen, or on a control. The cursor will move smoothly to the new position. (Like if the user was moving the mouse).
TJvMruList	An implementation for the MRU api's. MRU means Most Recent Used and is generally used for a list of files, but can be used for any type of data. The data is stored in the registry by windows, at the key you specify.
TJvPatchFile	This component allow you to update a file easily. The component will only stock the differences ... but beware ! the component also stock the address of the difference, so if the file is completely different, the component will stock about 2 or 3* the size of the file !!!!!!!!!
TJvPrint	This component will help you to print TstringList or TBitmap
TJvRas32	An implementation of the RAS api (Remote Access Service). In other word, your internet dialup connection.
TJvRle	An implementation of an RLE algorithm. This RLE implementation is compatible with the one used in the PCX file format.
TJvRunOnStartup	This component allow you to make your Application start with windows once, always,...
TJvScreenSaver	This component is really useful to Create a screen saver. Just drop it on a form and spy the events.
TJvSystemColors	This component allow you to read/write system colors.
TJvSystemPopup	This component allows you to add a popup menu on the form's system popup or on the Application's popup menu.
TJvThreadTimer	A replacement for a classic TTimer, with a better accuracy !. This timer uses a thread in place of the build in timer, and can have an accuracy of a millisecond, but it will consume more CPU than a classic timer.
TJvTimeLimit	This component is useful to limit a shareware. if you want to restrict the usage of the shareware after a certain date, just specify that date ... The component will remind you the date is over.
TJvWindowsTitle	This class is an invisible component for listing all windows currently visible.
TJvWinHelp	An interface to the WinHelp Api's. It allows you to show contextual help for a specific control, or to show the help for a specific keyword, ...

JV Utils 3

TJvCaesarCipher	This component implements the Caesar ciphering method (add x to each character)
TJvGenetic	An implementation of the Genetic Algorithms. The basic is easy, the component Create x members containing your data, then you tell him which one is good and he regenerates new members, etc ... You'll probably never find the best solution, but you'll find good solutions in a few generations. This implementation is the basic one (Generation - Crossover - Mutation). The event OnTestMember is called on each generation/reproduction, so it MUST be Assigned or you'll receive an Exception !. if you like this subject, read the book "Genetic Algorithms, David E. GoldBerg, Addison-Wesley" also available in French). Added in JVPack 1.2
TJvRegion	This component will generate a region from a bitmap. Useful for making transparent controls.
TJvVigenereCipher	An ameliorated Caesar cipher (add a Value stored in the string)

JV Win32

TJvAnimate	Enhanced version of a TAnimate
TJvCoolBar	Enhanced version of a TCoolBar
TJvDateTimePicker	Enhanced version of a TDateTimePicker
TJvHeaderControl	Enhanced version of a THeaderControl
TJvHotKey	Enhanced version of a THotKey
TJvListView	Enhanced version of a TListView (each item can have a popup menu)
TJvMonthCalendar	Enhanced version of a TmonthCalendar
TJvPageControl	Enhanced version of a TPageControl
TJvPageScroller	Enhanced version of a TPageScroller
TJvProgressBar	Enhanced version of a TProgressBar
TJvRichEdit	Enhanced version of a TRichEdit
TJvStatusBar	Enhanced version of a TStatusBar (this one accept controls !!!)
TJvTabControl	Enhanced version of a TTabControl
TJvToolBar	Enhanced version of a TToolBar
TJvTrackBar	Enhanced version of a TTrackBar
TJvTreeView	Enhanced version of a TTreeView (TreeNode can be bold, have a checkbox, and even a popupmenu)
TJvUpDown	Enhanced version of a TUpDown

JV GFX Support

TJvAni	This class is a wrapper for the ANI graphic format. It allows you to open and display ANI files. (ANI files are animated cursors/icons). With this implementation, you can only load and display ANI files, but in now way you can modify it !.
TJvPcx	This class is a wrapper for the PCX format. if you want to use this format, just include the BUGraphics in your project, and then, you can simply use a TImage component. That's all. It supports loading and saving Monochrome, 16 colors, 256 Colors and 16 Million colors. (1,4,8 and 24 bits)

JV Miscellaneous

TJvMaxPixel	This class express the limitation of the text in pixels. The property Length is the maximum length in pixel of the text, and the font used is either the font property of the control or this font property (You can specify it with the UseControlFont property).
TJvAutoSave	This class is used in several components to save their states in the registry. It can save either Boolean, integer, string or a double. The property saved in the component is either the Checked, Text or ItemIndex property.
TJvRegAutoSave	This class is used in the TJvAutoSave class to store the registry path and key of the value to saved. If one of these properties is empty, the value is not saved/retrieved.