Visual Basic documentation uses the following typographic conventions.
|Sub, If, ChDir, Print, True, Debug||Words in bold with initial letter capitalized indicate language-specific keywords.|
|Setup||Words you are instructed to type appear in bold.|
|object, varname, arglist||Italic, lowercase letters indicate placeholders for information you supply.|
|pathname, filenumber||Bold, italic, and lowercase letters indicate placeholders for arguments where you can use either positional or named-argument syntax.|
|[ expressionlist ]||In syntax, items inside brackets are optional.|
||In syntax, braces and a vertical bar indicate a mandatory choice between two or more items. You must choose one of the items unless all of the items are also enclosed in brackets. For example:
|ESC, ENTER||Words in capital letters indicate key names and key sequences.|
|ALT+F1, CTRL+R||A plus sign (+) between key names indicates a combination of keys. For example, ALT+F1 means hold down the ALT key while pressing the F1 key.|
The following code conventions are used.
This font is used for code, variables, and error message text.
Sub HelloButton_Click() Readout.Text = "Hello, world!" End Sub
An apostrophe (
') introduces code comments.
' This is a comment; these two lines ' are ignored when the program is running.
Lines too long to fit on one line (except comments) may be continued on the next line by using a line-continuation character, which is a single leading space followed by an underscore (
Sub Form_MouseDown (Button As Integer, _ Shift As Integer, X As Single, Y As Single)