BackColor, ForeColor Properties
Specifies the background or foreground color used to display text and graphics in an object. Available at design time and run time.
Object.BackColor[ = nColor]
Object.ForeColor[ = nColor]
Property Values
nColor
Specifies a single color value.The following table lists typical color values.
Color RGB Values nColor Value White 255, 255, 255 16777215 Black 0, 0, 0 0 Gray 192, 192, 192 12632256 Dark gray 128, 128, 128 8421504 Red 255, 0, 0 255 Dark red 128, 0, 0 128 Yellow 255, 255, 0 65535 Dark yellow 128, 128, 0 32896 Green 0, 255, 0 65280 Dark green 0, 128, 0 32768 Cyan 0, 255, 255 16776960 Dark cyan 0, 128, 128 8421376 Blue 0, 0, 255 16711680 Dark blue 0, 0, 128 8388608 Magenta 255, 0 ,255 16711935 Dark magenta 128, 0, 128 8388736
If nColor is a negative value, Visual FoxPro uses the integer and ignores any rollover issues. For example, -1 is the equivalent of 0xFFFFFFFF.
Remarks
Visual FoxPro uses a red-green-blue (RGB) color scheme for colors. The red, green, and blue components are each represented by a number between 0 and 255. Use the RGB( ) function to convert the three component colors into one composite nColor.
Note The BackColor property does not apply to the CommandButton control. The ForeColor property does not apply to the CommandGroup, OptionGroup, or Shape controls.
Example
The following example demonstrates how the Shape control can be used to display a circle, ellipse, or square on a form, and how the BackColor property can be used to specify the color of each shape.
A form is created, and a set of option buttons and a command button are placed on the form. When you choose one of the option buttons, the corresponding shape is displayed on the form. The BackColor property is used to specify the color of each shape. The Height, Width, and Curvature properties of each shape determine the type of shape created.
frmMyForm = CREATEOBJECT('Form') && Create a Form
frmMyForm.Closable = .F. && Disable the Control menu box
frmMyForm.AddObject('cmdCommand1','cmdMyCmndBtn') && Add Command button
frmMyForm.AddObject('opgOptionGroup1','opgMyOptGrp') && Add Option Group
frmMyForm.AddObject('shpCircle1','shpMyCircle') && Add Circle Shape
frmMyForm.AddObject('shpEllipse1','shpMyEllipse') && Add Ellipse Shape
frmMyForm.AddObject('shpSquare','shpMySquare') && Add Box Shape
frmMyForm.cmdCommand1.Visible =.T. && "Quit" Command button visible
frmMyForm.opgOptionGroup1.Buttons(1).Caption = "\<Circle"
frmMyForm.opgOptionGroup1.Buttons(2).Caption = "\<Ellipse"
frmMyForm.opgOptionGroup1.Buttons(3).Caption = "\<Square"
frmMyForm.opgOptionGroup1.SetAll("Width", 100) && Set Option group width
frmMyForm.opgOptionGroup1.Visible = .T. && Option Group visible
frmMyForm.opgOptionGroup1.Click && Show the circle
frmMyForm.SHOW && Display the form
READ EVENTS && Start event processing
DEFINE CLASS opgMyOptGrp AS OptionGroup && Create an Option Group
ButtonCount = 3 && Three Option buttons
Top = 10
Left = 10
Height = 75
Width = 100
PROCEDURE Click
ThisForm.shpCircle1.Visible = .F. && Hide the circle
ThisForm.shpEllipse1.Visible = .F. && Hide the ellipse
ThisForm.shpSquare.Visible = .F. && Hide the square
DO CASE
CASE ThisForm.opgOptionGroup1.Value = 1
ThisForm.shpCircle1.Visible = .T. && Show the circle
CASE ThisForm.opgOptionGroup1.Value = 2
ThisForm.shpEllipse1.Visible = .T. && Show the ellipse
CASE ThisForm.opgOptionGroup1.Value = 3
ThisForm.shpSquare.Visible = .T. && Show the square
ENDCASE
ENDDEFINE
DEFINE CLASS cmdMyCmndBtn AS CommandButton && Create Command button
Caption = '\<Quit' && Caption on the Command button
Cancel = .T. && Default Cancel Command button (Esc)
Left = 125 && Command button column
Top = 210 && Command button row
Height = 25 && Command button height
PROCEDURE Click
CLEAR EVENTS && Stop event processing, close Form
ENDDEFINE
DEFINE CLASS shpMyCircle AS SHAPE && Create a circle
Top = 10
Left = 200
Width = 100
Height = 100
Curvature = 99
BackColor = RGB(255,0,0) && Red
ENDDEFINE
DEFINE CLASS shpMyEllipse AS SHAPE && Create an ellipse
Top = 35
Left = 200
Width = 100
Height = 50
Curvature = 99
BackColor = RGB(0,128,0) && Green
ENDDEFINE
DEFINE CLASS shpMySquare AS SHAPE && Create a square
Top = 10
Left = 200
Width = 100
Height = 100
Curvature = 0
BackColor = RGB(0,0,255) && Blue
ENDDEFINE
See Also
BackStyle Property | ColorScheme Property | Colors Overview | DisabledBackColor, DisabledForeColor Properties | FillColor Property | FillStyle Property | GETCOLOR( ) Function | RGB( ) Function
Applies To: CheckBox Control | Column Object | ComboBox Control | CommandButton Control | CommandGroup Control | Container Object | Control Object | EditBox Control | Form Object | Grid Control | Header Object | Label Control | OptionButton Control | OptionGroup Control | Page Object | _SCREEN | Shape Control | Spinner Control | TextBox Control | ToolBar Object