Unit 'msedataedits'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Index]	[#msegui]

tdropdownlistedit

[Properties (by Name)] [Methods (by Name)]

Component for editing a value chosen from a drop-down list

Declaration

Source position: msedataedits.pas line 636

type tdropdownlistedit = class(tcustomdropdownlistedit)

published

property maxlength: Integer;

property value: msestring;

property valuedefault: msestring;

property onsetvalue: setstringeventty;

property ifilink: tifidropdownlistlinkcomp;

property dropdown: tdropdownlistcontroller;

property onbeforedropdown: notifyeventty;

property onafterclosedropdown: notifyeventty;

end;

Inheritance

`tdropdownlistedit`		Component for editing a value chosen from a drop-down list
\|
`tcustomdropdownlistedit`
\|
`tcustomdropdownedit,idropdownlist,iifidropdownlistdatalink`
\|
`tcustomstringedit,idropdown,iifidropdownlistdatalink`
\|
`tdataedit`
\|
`tcustomdataedit`
\|
`tcustomedit,igridwidget,istatfile,idragcontroller,iassistiveclientgridwidget,iifidatalink`
\|
`tpublishedwidget,iedit`
\|
`tpublishedwidgetnwr`
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`tactionpublishedwidgetnwr`
\|
`tactionwidget`
\|
`twidget`
\|
`tactcomponent,iscrollframe,iface,iassistiveclient`
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`tmsecomponent,iactivatorclient`		Extends the FPC tcomponent with object linking facilities and the like; base of every MSEgui component
\|
`tcomponent,ievent,iificommand,iificlient`
\|
`tpersistent`
\|
`TObject`

Description

Component for editing a value chosen from a drop-down list. The list can be filled, for example in the form's oncreate event, using the dropdown property; the selected value is available through the value property.

uses
  main_mfm;

procedure tmainfo.mainfo_oncreate(const sender: TObject);
const
  a: array[0..2] of msestring = ('un', 'deux', 'trois');
begin
  edit1.dropdown.cols[0].asarray := a;
  edit1.dropdown.itemindex := 0;
end;

procedure tmainfo.button_onexecute(const sender: TObject);
begin
  showmessage(edit1.value);
end;