@...CHECKBOX / DEFINE CHECKBOX
Creates a checkbox control

Standard Syntax (xBase Style):

      @ <nRow> ,<nCol>

            CHECKBOX <ControlName>

[ OF | PARENT <ParentWindowName> ]

            CAPTION <cCaption>

[ WIDTH <nWidth>] [ HEIGHT <nHeight> ]

[ VALUE <lValue> ]

[ FIELD <FieldName> ]

[ FONT <cFontName> SIZE <nFontSize> ]

[ BOLD ] [ ITALIC ] [ UNDERLINE ] [ STRIKEOUT ]

[ TOOLTIP <cToolTipText> ]

[ BACKCOLOR <aBackColor> ]

[ FONTCOLOR <aFontColor> ]

[ ON GOTFOCUS <OnGotFocusProcedur> | <bBlock> ]

[ ON CHANGE <OnChangeProcedure> | <bBlock> ]

[ ON LOSTFOCUS <OnLostFocusProcedure> | <bBlock> ]

[ ON ENTER <OnEnterProcedure> | <bBlock> ]

[ TRANSPARENT ]

[ HELPID <nHelpId> ]

[ INVISIBLE ]

[ NOTABSTOP ]

Alternate Syntax:

      DEFINE CHECKBOX <ControlName>

            PARENT <ParentWindowName>

            ROW <nValue> 

            COL <nValue>

            CAPTION <cCaption>

            VALUE <lValue>

            FIELD <FieldName>

            WIDTH <nValue>

            HEIGHT <nValue>

            FONTNAME <cValue>

            FONTSIZE <nValue>

            FONTBOLD <lValue>

            FONTITALIC <lValue>

            FONTUNDERLINE <lValue>

            FONTSTRIKEOUT <lValue>

            TOOLTIP <cValue>

            BACKCOLOR <aBackColor>

            FONTCOLOR <aFontColor>

            ONGOTFOCUS <OnGotFocusProcedure>

            ONCHANGE <OnChangeProcedure>

            ONLOSTFOCUS <OnLostFocusProcedure>

ONENTER <OnEnterProcedure>

            TRANSPARENT <lValue>

            HELPID <nHelpId>

            VISIBLE <lValue>

            TABSTOP <lValue>

      END CHECKBOX

Properties:

      - Value

      - Enabled

      - Visible

      - Row

      - Col

      - Width

      - Height

      - Caption

      - FontName

      - FontSize

      - FontBold

      - FontItalic

      - FontUnderline

      - FontStrikeout

      - ToolTip

      - BackColor

      - FontColor

      - Name (R)

      - Field (D)

      - Parent (D)

      - HelpId (D)

      - TabStop (D)

      D: Available at control definition only

      R: Read-Only

Events:

      - OnGotFocus

      - OnChange

      - OnLostFocus

- OnEnter

Methods:

      - Show

      - Hide

      - SetFocus

      - Release

      - Refresh

      - Save