Standard tab
See also Lazarus Tutorial#The Component Palette
Component Palette Standard tab
TMainMenu
Puts a standard menu bar in the form.
Main Menu is a non-visible component : that is, if the icon is selected from the Component Pallete and placed on the Form, it will not appear at Run-time. Instead, a Menu bar with a structure defined by the Menu Editor will appear.
To see the Menu Editor, right-click or double-click on the Main Menu icon on your Form. TMainMenu
TPopupMenu
Puts a popup menu in the form. This creates a menu that appears when the user right clicks on an object. To change the contents double-click on the icon on the form. TPopupMenu
TButton
Puts a button in the form. The user will be able to 'click' on this button and call the onClick event handler (form class method) in your program. The programmer should supply this method to define the action to be taken.
TLabel
Puts a brief text label on the Form near any object that needs to be identified. TLabel
TEdit
Allows the user to input text. TEdit
TMemo
Memos are places where you can put multiple lines of text. Use this if you want to allow your user to enter messages or notes, etc.
TToggleBox
Puts togglebox in the form: a labelled box capable of being checked (when it becomes recessed) or unchecked (when it is raised).
The Application Programmer is responsible for ensuring that the OnClick event handler recognises the State of the box, takes the appropriate Action and places the State into the next appropriate value TToggleBox
TCheckBox
CheckBox : a small box which can contain a check mark to indicate that it has been selected by a mouse click. May be associated with a Caption that describes its function. TCheckBox
TRadioButton
A button that works with other Radio Buttons in a mutually exclusive way - if one button is selected, none of the others in the group can be selected TRadioButton
TListBox
Display a simple string list from which a choice is made
The array of strings is held in Items
Clicking on the ellipsis (...) next to the Items entry in the Object Inspector at design-time opens a string-list editor in which the individual text-strings for the list can be entered or edited. The editor also allows the entries to be sorted alphabetically in normal or reverse order. TListBox
TComboBox
A simple combination of Text box for free text entry, and a drop-down list allowing one of several options to be chosen.
At run-time, the entry selected from the drop-down list is used to replace any information previously found in Text.
If no value is selected from the drop-down list, the default text (if any) remains, or any information typed directly into Text will be returned. TComboBox
TScrollBar
A ScrollBar can be used on forms for Text, Graphics, Volume Controls, and the like. The slider is moved via user interaction. The software detects the new position and performs some function. TScrollBar
TGroupBox
It acts as a presentational container for other control. TGroupBox
TStaticText
TRadioGroup
TCheckGroup
To edit CheckGroup contents double-click on the icon on the form. It opens a CheckGroup Editor. TCheckGroup
TPanel
Puts panel in the form. It acts as a presentational container for other control. TPanel
TActionList
To edit actionlist contents double-click on the icon on the form. It opens the Action List Editor. TActionList