CHECKBOX text, id, x, y, width, height, [style]The CHECKBOX statement creates a check box control. The control is a small rectangle (check box) that has the specified text displayed next to it (typically, to the right). When the user selects the control, the control highlights the rectangle and sends a message to its parent window. The CHECKBOX statement, which can only be used in a DIALOG statement, defines the text, identifier, dimensions, and attributes of the control.
text
Specifies text that is displayed to the right of the control. This parameter must contain zero or more characters enclosed in double quotation marks. Character values must be in the range 1 through 255. If a double quotation mark is required in the text, you must include the double quotation mark twice. An ampersand (&) character in the text indicates that the following character is used as a mnemonic character for the control. When the control is displayed, the ampersand is not shown, but the mnemonic character is underlined. The user can choose the control by pressing the key corresponding to the underlined mnemonic character. To use the ampersand as a character in a string, insert two ampersands (&&).
id
Specifies the control identifier. This value must be an integer in the range 0 through 65,535 or a simple expression that evaluates to a value in that range.
x
Specifies the x-coordinate of the left side of the control relative to the left side of the dialog box. This value must be an integer in the range 0 through 65,535 or an expression consisting of integers and the addition (+) or subtraction (–) operator. The coordinate is assumed to be in dialog units and is relative to the origin of the dialog box, window, or control containing the specified control.
y
Specifies the y-coordinate of the top side of the control relative to the top of the dialog box. This value must be an integer in the range 0 through 65,535 or an expression consisting of integers and the addition (+) or subtraction (–) operator. The coordinate is assumed to be in dialog units and is relative to the origin of the dialog box, window, or control containing the specified control.
width
Specifies the width of the control. This value must be an integer in the range 1 through 65,535 or an expression consisting of integers and the addition (+) or subtraction (–) operator. The width is in 1/4-character units.
height
Specifies the height of the control. This value must be an integer in the range 1 through 65,535 or an expression consisting of integers and the addition (+) or subtraction (–) operator. The height is in 1/8-character units.
style
Specifies the control styles. This value can be a combination of the button class style BS_CHECKBOX and the WS_TABSTOP and WS_GROUP styles.
You can use the bitwise OR (|) operator to combine styles.
If you do not specify a style, the default style is BS_CHECKBOX and WS_TABSTOP.
The current dialog units are computed from the height and width of the current system font. The GetDialogBaseUnits function returns the dialog units in pixels.
This example creates a check-box control that is labeled “Italic”:
CHECKBOX "Italic", 3, 10, 10, 40, 10