BCombo

Identità

• Namespace: B.BWindows.BControls

• Base: UserControl

• Implementa: IBControl

Scopo

Combo B-Arts con caption, allineamento e tre modalità di alimentazione: elenco disconnesso, BDataTable oppure interrogazione del database.

Stati

Stato espone mbeStatoCombo:

• NO_CONNECT: elementi aggiunti direttamente o tramite Elenco.

• DATATABLE_CONNECT: dati forniti tramite DataTable.

• DB_CONNECT: dati caricati usando Connection, tabella e campi configurati.

Dati e selezione

• Add(string, key) e Add(BItem) aggiungono elementi disconnessi.

• GetKey()/GetKey(index) restituiscono la chiave.

• GetBItem()/GetBItem(index) restituiscono il modello B-Arts.

• SelectedIndex, SelectedItem, SelectedValue e Text espongono la selezione.

• Init(AddKey, AddDescr) inizializza la sorgente configurata.

• Disconnect() scollega la sorgente.

• Clear() e Remove(index) modificano l'elenco.

Per sorgenti DB usare Connection, NomeTabella, CampoKey, CampoDescr, NomeCampoComposto, CampiOrdinati e Filtro.

Riferimento API completo

Identità

• Namespace: B.BWindows.BControls

• Assembly: BFrameworkControls

• Tipo: class

• Classe base: UserControl

• Interfacce: IBControl

• Sorgente API: versione 5.0.0

Dichiarazione

public class BCombo : UserControl, IBControl

Costruttori

• BCombo()

Campi pubblici

Nessun campo pubblico dichiarato.

Proprietà

Eventi CLR

• Click: ClickEventHandler

• DoubleClick: DoubleClickEventHandler

• Enter: EnterEventHandler

• GotFocus: GotFocusEventHandler

• KeyDown: KeyDownEventHandler

• KeyPress: KeyPressEventHandler

• KeyUp: KeyUpEventHandler

• Leave: LeaveEventHandler

• LostFocus: LostFocusEventHandler

• MouseDown: MouseDownEventHandler

• MouseUp: MouseUpEventHandler

• Resize: ResizeEventHandler

• SelectedIndexChanged: SelectedIndexChangedEventHandler

• SelectedValueChanged: SelectedValueChangedEventHandler

• SelectionChangeCommitted: SelectionChangeCommittedEventHandler

• StateChanged: StateChangedEventHandler

• TextChanged: TextChangedEventHandler

• Validated: ValidatedEventHandler

• Validating: ValidatingEventHandler

Metodi

• void Add(BItem item)

• void Add(string Item, string Key = "")

• bool Clear()

• bool Disconnect()

• BItem GetBItem()

• BItem GetBItem(int Index)

• string GetKey()

• string GetKey(int Index)

• bool Init(string AddKey = "", string AddDescr = "")

• void RedrawsControl()

• void RedrawsControlOld()

• void Remove(int Index)

Tipi annidati pubblici

Delegate ClickEventHandler

• Firma: void ClickEventHandler(object sender, EventArgs e)

Delegate DoubleClickEventHandler

• Firma: void DoubleClickEventHandler(object sender, EventArgs e)

Delegate EnterEventHandler

• Firma: void EnterEventHandler(object sender, EventArgs e)

Delegate GotFocusEventHandler

• Firma: void GotFocusEventHandler(object sender, EventArgs e)

Delegate KeyDownEventHandler

• Firma: void KeyDownEventHandler(object sender, KeyEventArgs e)

Delegate KeyPressEventHandler

• Firma: void KeyPressEventHandler(object sender, KeyPressEventArgs e)

Delegate KeyUpEventHandler

• Firma: void KeyUpEventHandler(object sender, KeyEventArgs e)

Delegate LeaveEventHandler

• Firma: void LeaveEventHandler(object seneder, EventArgs e)

Delegate LostFocusEventHandler

• Firma: void LostFocusEventHandler(object sender, EventArgs e)

mbeStatoCombo

• NO_CONNECT = 0

• DB_CONNECT = 1

• DATATABLE_CONNECT = 2

Delegate MouseDownEventHandler

• Firma: void MouseDownEventHandler(object sender, MouseEventArgs e)

Delegate MouseUpEventHandler

• Firma: void MouseUpEventHandler(object sender, MouseEventArgs e)

Delegate ResizeEventHandler

• Firma: void ResizeEventHandler(object sender, EventArgs e)

Delegate SelectedIndexChangedEventHandler

• Firma: void SelectedIndexChangedEventHandler(object sender, EventArgs e)

Delegate SelectedValueChangedEventHandler

• Firma: void SelectedValueChangedEventHandler(object sender, EventArgs e)

Delegate SelectionChangeCommittedEventHandler

• Firma: void SelectionChangeCommittedEventHandler(object sender, EventArgs e)

Delegate StateChangedEventHandler

• Firma: void StateChangedEventHandler(mbeStatoCombo StatoPrec)

Delegate TextChangedEventHandler

• Firma: void TextChangedEventHandler(object sender, EventArgs e)

Delegate ValidatedEventHandler

• Firma: void ValidatedEventHandler(object sender, EventArgs e)

Delegate ValidatingEventHandler

• Firma: void ValidatingEventHandler(object sender, CancelEventArgs e)