I2bin()
Converts a numeric value to 16 bit integer.
If() | IIf()
Returns the result of an expression dependent on a logical expression.
IndexExt()
Returns the default extension for index file names.
IndexKey()
Returns the index expression of an index file.
IndexOrd()
Returns the ordinal position of the controlling index in a work area.
Inkey()
Reads the next character in the keyboard buffer and removes it from the
Int()
Converts a numeric value to an integer numeric value.
IsAlpha()
Tests whether a character string begins with a letter.
IsCertificateAvailable()
Checks whether a certificate is available on the computer.
IsColor()
Tests whether a color graphic card is installed.
IsCrypted()
Check if workarea is encrypted
IsDebug()
Checks whether an application is controlled by the Xbase++ debugger.
IsDigit()
Tests whether a character string begins with a digit.
IsFieldVar()
Checks if a symbolic name indicates a field variable
IsFunction()
Checks if a symbolic name indicates the name of a function or procedure
IsLower()
Tests whether a character string begins with a lower case letter.
IsMemberVar()
Checks if an object has a particular member variable
IsMemvar()
Checks if a symbolic name indicates a dynamic memory variable
IsMethod()
Checks if an object has a particular method
IsNull()
Tests if an expression evaluates to NULL/NIL.
IsPenEnabled()
Determines whether pen input is supported by the system.
IsPrinter()
Determines whether a printer is ready.
IsThemeActive()
Tests whether visual Styles are enabled.
IsTouchEnabled()
Determines whether a touch digitizer is installed in the system.
IsUnicode()
Determine whether a character string has Unicode format.
IsUpper()
Tests whether a character string begins with an upper case letter.