Difference between revisions of "TForm"
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{{TForm}} | {{TForm}} | ||
| − | '''TForm''' is the class of a form object. All forms created at design time can be derived from TForm. | + | '''TForm''' is the [[Class|class]] of a form object. All forms created at design time can be derived from TForm. |
The form represents a window or dialog box that forms the user interface of an application. It is the container on which all other components (e.g. [[TButton|buttons]], [[TLabel|labels]], [[TEdit|edit fields]], [[TImage|images]]...) can be inserted. | The form represents a window or dialog box that forms the user interface of an application. It is the container on which all other components (e.g. [[TButton|buttons]], [[TLabel|labels]], [[TEdit|edit fields]], [[TImage|images]]...) can be inserted. | ||
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== Application == | == Application == | ||
At program start, the main form and any other form that has to be 'autocreated' is actually instantiated. | At program start, the main form and any other form that has to be 'autocreated' is actually instantiated. | ||
| − | Autocreate forms may be selected from available forms in [Project|Project Options|Forms]. If for some reason available forms do not list the form that should be autocreated, add the necessary form name to the program's uses clause and add a line <tt>Application.CreateForm</tt> for that form. | + | Autocreate forms may be selected from available forms in [Project|Project Options|Forms]. If for some reason available forms do not list the form that should be autocreated, add the necessary form name to the [[Program|program]]'s [[Uses|uses]] clause and add a line <tt>Application.CreateForm</tt> for that form. |
<syntaxhighlight> | <syntaxhighlight> | ||
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== Properties == | == Properties == | ||
| − | * Menu - link a [[TMainMenu]] connected to the form, and visible during | + | * Menu - link a [[TMainMenu]] connected to the form, and visible during [[runtime]] at the top of the form |
* Popupmenu - link to a [[TPopupMenu]] that will be activated when right-clicking on the form | * Popupmenu - link to a [[TPopupMenu]] that will be activated when right-clicking on the form | ||
* PopupParent - | * PopupParent - | ||
Revision as of 10:18, 5 January 2019
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TForm is the class of a form object. All forms created at design time can be derived from TForm.
The form represents a window or dialog box that forms the user interface of an application. It is the container on which all other components (e.g. buttons, labels, edit fields, images...) can be inserted.
A new TForm can be created using File|new....
Application
At program start, the main form and any other form that has to be 'autocreated' is actually instantiated. Autocreate forms may be selected from available forms in [Project|Project Options|Forms]. If for some reason available forms do not list the form that should be autocreated, add the necessary form name to the program's uses clause and add a line Application.CreateForm for that form.
program PTest;
uses
Forms,
UMainForm,
UOtherForm;
{$R *.res}
begin
Application.Title:='Test';
RequireDerivedFormResource := True;
Application.Initialize();
Application.CreateForm(TMainForm, MainForm);
Application.CreateForm(TOtherForm, OtherForm);
Application.Run();
end.Properties
- Menu - link a TMainMenu connected to the form, and visible during runtime at the top of the form
- Popupmenu - link to a TPopupMenu that will be activated when right-clicking on the form
- PopupParent -
- SessionProperties -
- ActiveControl -
