ComboBox

A ComboBox is a unique type of control, that combines much of the functionality of a list box and an edit control.

@ <nRow> ,<nCol> COMBOBOX <ControlName>
[ ID <nId> ]
[ OF | PARENT | DIALOG <ParentWindowName> ]
[ WIDTH <nWodth> ]
[ HEIGHT <nHeight>]
[ ITEMS <caItems> ]
[ ITEMSOURCE <ItemSourceField> ]
[ VALUE <nValue> ]
[ VALUESOURCE <ValueSourceField> ]
[ DISPLAYEDIT ]
[ LISTWIDTH | DROPPEDWIDTH <nValue> ]
[ FONT <cFontName> SIZE <nFontSize> ]
[ BOLD ] [ ITALIC ] [ UNDERLINE ] [ STRIKEOUT ]
[ UPPERCASE ]
[ LOWERCASE ]
[ TOOLTIP <cToolTipText> ]
[ BACKCOLOR <aBackColor> ]
[ FONTCOLOR <aFontColor> ]
[ ON GOTFOCUS <OnGotFocusProcedur> | <bBlock> ]
[ ON CHANGE <OnChangeProcedure> | <bBlock> ]
[ ON LOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]
[ ON ENTER <OnEnterProcedure> | <bBlock> ]
[ ON DISPLAYCHANGE <OnDisplayChangeProcedure> | <bBlock> ]
[ ON LISTDISPLAY | ON DROPPDOWN <OnListDisplayProcedure> | <bBlock> ]
[ ON LISTCLOSE | ON CLOSEUP <OnListCloseProcedure> | <bBlock> ]
[ NOTABSTOP ]
[ HELPID <nHelpId> ]
[ INVISIBLE ]
[ SORT ]

REDEFINE COMBOBOX <ControlName>
ID <nId>
[ OF | PARENT | DIALOG <ParentWindowName> ]
[ ITEMS <caItems> ]
[ ITEMSOURCE <ItemSourceField> ]
[ VALUE <nValue> ]
[ VALUESOURCE <ValueSourceField> ]
[ DISPLAYEDIT ]
[ LISTWIDTH <nValue> ]
[ FONT <cFontName> SIZE <nFontSize> ]
[ BOLD ] [ ITALIC ] [ UNDERLINE ] [ STRIKEOUT ]
[ UPPERCASE ]
[ LOWERCASE ]
[ TOOLTIP <cToolTipText> ]
[ BACKCOLOR <aBackColor> ]
[ FONTCOLOR <aFontColor> ]
[ ON GOTFOCUS <OnGotFocusProcedur> | <bBlock> ]
[ ON CHANGE <OnChangeProcedure> | <bBlock> ]
[ ON LOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]
[ ON ENTER <OnEnterProcedure> | <bBlock> ]
[ ON DISPLAYCHANGE <OnDisplayChangeProcedure> | <bBlock> ]
[ ON LISTDISPLAY <OnListDisplayProcedure> | <bBlock> ]
[ ON LISTCLOSE <OnListCloseProcedure> | <bBlock> ]
[ NOTABSTOP ]
[ HELPID <nHelpId> ]
[ INVISIBLE ]
[ SORT ]

COMBOBOX <ControlName>
[ OF | PARENT <ParentWindowName> ]
[ WIDTH <nWodth> ]
[ HEIGHT <nHeight>]
[ ITEMS <caItems> ]
[ ITEMSOURCE <ItemSourceField> ]
[ VALUE <nValue> ]
[ VALUESOURCE <ValueSourceField> ]
[ DISPLAYEDIT ]
[ LISTWIDTH <nValue> ]
[ FONT <cFontName> SIZE <nFontSize> ]
[ BOLD ] [ ITALIC ] [ UNDERLINE ] [ STRIKEOUT ]
[ UPPERCASE ]
[ LOWERCASE ]
[ TOOLTIP <cToolTipText> ]
[ BACKCOLOR <aBackColor> ]
[ FONTCOLOR <aFontColor> ]
[ ON GOTFOCUS <OnGotFocusProcedur> | <bBlock> ]
[ ON CHANGE <OnChangeProcedure> | <bBlock> ]
[ ON LOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]
[ ON ENTER <OnEnterProcedure> | <bBlock> ]
[ ON DISPLAYCHANGE <OnDisplayChangeProcedure> | <bBlock> ]
[ ON LISTDISPLAY <OnListDisplayProcedure> | <bBlock> ]
[ ON LISTCLOSE <OnListCloseProcedure> | <bBlock> ]
[ NOTABSTOP ]
[ HELPID <nHelpId> ]
[ GRIPPERTEXT <cGripperText> ]
[ BREAK ]
[ INVISIBLE ]
[ SORT ]

COMBOBOX <ControlName>
[ OF | PARENT <ParentWindowName> ]
[ WIDTH <nWodth> ]
[ HEIGHT <nHeight>]
[ ITEMS <caItems> ]
[ ITEMSOURCE <ItemSourceField> ]
[ VALUE <nValue> ]
[ VALUESOURCE <ValueSourceField> ]
[ DISPLAYEDIT ]
[ DROPPEDWIDTH <nValue> ]
[ FONT <cFontName> SIZE <nFontSize> ]
[ BOLD ] [ ITALIC ] [ UNDERLINE ] [ STRIKEOUT ]
[ UPPERCASE ]
[ LOWERCASE ]
[ TOOLTIP <cToolTipText> ]
[ BACKCOLOR <aBackColor> ]
[ FONTCOLOR <aFontColor> ]
[ ON GOTFOCUS <OnGotFocusProcedur> | <bBlock> ]
[ ON CHANGE <OnChangeProcedure> | <bBlock> ]
[ ON LOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]
[ ON ENTER <OnEnterProcedure> | <bBlock> ]
[ ON DISPLAYCHANGE <OnDisplayChangeProcedure> | <bBlock> ]
[ ON DROPDOWN <OnDropDownProcedure> | <bBlock> ]
[ ON CLOSEUP <OnCloseUpProcedure> | <bBlock> ]
[ NOTABSTOP ]
[ HELPID <nHelpId> ]
[ GRIPPERTEXT <cGripperText> ]
[ BREAK ]
[ INVISIBLE ]
[ SORT ]

[ ID <nId> ]
[ PARENT <ParentWindowName> ]
COL <nCol>
ROW <nRow>
[ WIDTH <nWodth> ]
[ HEIGHT <nHeight>]
[ ITEMS <caItems> ]
[ ITEMSOURCE <ItemSourceField> ]
[ VALUE <nValue> ]
[ VALUESOURCE <ValueSourceField> ]
[ DISPLAYEDIT < .T. | .F.> ]
[ LISTWIDTH <nValue> ]
[ FONTNAME <cFontname>
[ FONTSIZE <nFontsize> ]
[ FONTBOLD < .T. | .F.> ]
[ FONTITALIC < .T. | .F.> ]
[ FONTUNDERLINE < .T. | .F.> ]
[ FONTSTRIKEOUT < .T. | .F.> ]
[ UPPERCASE < .T. | .F.> ]
[ LOWERCASE < .T. | .F.> ]
[[ TOOLTIP <cToolTipText> ]
[ BACKCOLOR <aBackColor> ]
[ FONTCOLOR <aFontColor> ]
[ ONGOTFOCUS <OnGotFocusProcedur> | <bBlock> ]
[ ONCHANGE <OnChangeProcedure> | <bBlock> ]
[ ONLOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]
[ ONENTER <OnEnterProcedure> | <bBlock> ]
[ ONDISPLAYCHANGE <OnDisplayChangeProcedure> | <bBlock> ]
[ ONLISTDISPLAY <OnListDisplayProcedure> | <bBlock> ]
[ ONLISTCLOSE <OnListCloseProcedure> | <bBlock> ]
[ NOTABSTOP < .T. | .F.> ]
[ HELPID <nHelpId> ]
[ INVISIBLE < .T. | .F.> ]
[ SORT < .T. | .F.> ]

In a ComboBox the 'Height' clause refers to the total height (considering extended list height)

When ITEMSOURCE property is set to a fieldname, 'Value' property
uses the physical record number, as in browse.
If you set the VALUESOURCE property to a fieldname, its content is
returned instead the physical record number.

· Value	Set / Gets ComboBox value.
· Enabled	Set / Gets enabled state of a ComboBox control
· Visible	Set / Gets visible a ComboBox control.
· Item ( nItemIndex )	Set / Gets item text in a ComboBox
· ItemCount (R)	Get item count in a ComboBox
· Row	Set / Gets row position of a ComboBox control.
· Col	Set / Gets column position of a ComboBox control.
· Width	Set / Gets width of a ComboBox control.
· Height	Set / Gets height of a ComboBox control.
· FontName	Set / Gets ComboBox control's font name.
· FontSize	Set / Gets ComboBox control's font size.
· FontBold	Set / Gets ComboBox control's font bold property
· FontItalic	Set / Gets ComboBox control's font italic property
· FontUnderline	Set / Gets ComboBox control's font underline property
· FontStrikeout	Set / Gets ComboBox control's font strikeout property
· ToolTip	Set / Gets ComboBox control's tooltip text.
· Cargo	Set / Gets user property 'Cargo' for ComboBox control
· Name (R)	Retrieves the name of a ComboBox control.
· Parent (D)	Set the name as character identifier of the parent window.
· HelpId (D)	Set the numeric help topic identifier of the control.
· UpperCase (D)	Transforms all characters to uppercase
· LowerCase (D)	Transforms all characters to lowercase
· NoTabStop (D)	Sets whether an element behavior can't receive focus and participate in the tabbing sequence
· ItemSource (D)	Filled the ComboBox with the content of a table field.
· Sort (D)	Set the SORT style of a ComboBox control
· DisplayEdit (D)	Allows user to edit selected item text in display area.
· DisplayValue (R)	Gets value - formated characters string from display area.
· Break (D)	Control passes to the statement that follows the terminated statement.
· GripperText (D)	Set the caption for the gripping

· OnGotFocus	An action to be performed when getting the focus
· OnChange	An action to be performed when generic changing of the control
· OnDisplayChange	Action to be performed when changing of display the control
· OnListDisplay	Action to be performed when closed of display the control
· OnListClose	Action to be performed when closed of list the control
· OnLostFocus	An action to be performed when losing the focus.
· OnEnter	Action to be performed when pressing a Enter key

· Show	Shows a ComboBox control
· Hide	Hides a ComboBox control
· AddItem( cItemText )	Add a new item to a ComboBox control
· DeleteItem( nItemIndex )	Deletes an item from a ComboBox control
· DeleteAllItems	Deletes all items from a ComboBox control
· SetFocus	Gives the focus to a ComboBox control
· Release	Releases a ComboBox control from memory
· EnableUpdate	Update enables for ComboBox control
· DisableUpdate	Update disables for ComboBox control
· SaveAs	Save a ComboBox control as BitMap file.

nRow, nCol	Position in the area of ??the window in pixels.
nWidth, nHeigth	The desired size of the ComboBox Control in pixels.
nId	The ID identifier this Control in Dialog Window
ControlName	A reference to the CmboBox Control
ParentWindowName	A reference to the Parent Window.
nHelpId	The help topic identifier for this Control