LibreOfficeDev 25.8 Help
Constants used in Basic programs
| Name | Type | Value | 
|---|---|---|
| True | Boolean | 1 | 
| False | Boolean | 0 | 
            Dim bPositive as Boolean
            bPositive = True
        | Name | Type | Value | 
|---|---|---|
| Pi | Double | 3.14159265358979 | 
            Function Rad2Deg( aRad as Double) As Double
             Rad2Deg = aRad * 180.00 / Pi
            End Function
        | Name | Type | Usage | 
|---|---|---|
| Empty | Variant | The Empty value indicates that the variable is not initialized. | 
| Null | null | Indicates that the variable does not contain data. | 
| Nothing | Object | Assign the Nothing object to a variable to remove a previous assignment. | 
            SubExampleEmpty
                Dim sVar As Variant
                sVar = Empty
                Print IsEmpty(sVar) ' Returns True
            End Sub
            Sub ExampleNull
                Dim vVar As Variant
                MsgBox IsNull(vVar)
            End Sub
            Sub ExampleNothing
                Dim oDoc As Object
                Set oDoc = ThisComponent
                Print oDoc.Title
                oDoc = Nothing
                Print oDoc ' Error
            End Sub
        The following constants are available when VBA compatibility mode is enabled
| Named constant | Red, Green, Blue | 
|---|---|
| vbBlack | RGB(0, 0, 0) | 
| vbBlue | RGB(0, 0, 255) | 
| vbCyan | RGB(0, 255, 255) | 
| vbGreen | RGB(0, 255, 0) | 
| vbMagenta | RGB(255, 0, 255) | 
| vbRed | RGB(255, 0, 0) | 
| vbYellow | RGB(255, 255, 0) | 
| vbWhite | RGB(255, 255, 255) | 
| Named constant | Decimal value | 
|---|---|
| vbArray | 8192 | 
| vbBoolean | 11 | 
| vbByte | 17 | 
| vbCurrency | 6 | 
| vbDataObject | 13 | 
| vbDate | 7 | 
| vbDecimal | 14 | 
| vbDouble | 5 | 
| vbEmpty | 0 | 
| vbError | 10 | 
| vbInteger | 2 | 
| vbLong | 3 | 
| vbNull | 1 | 
| vbObject | 9 | 
| vbSingle | 4 | 
| vbString | 8 | 
| vbUserDefinedType | 36 | 
| vbVariant | 12 | 
| Named constant | Hexadecimal (decimal) value | Description | 
|---|---|---|
| vbTrue | -1 | Part of vbTriState enumeration. | 
| vbFalse | 0 | Part of vbTriState enumeration. | 
| vbUseDefault | -2 | Part of vbTriState enumeration. | 
| vbCr | \x0D (13) | CR - Carriage return | 
| vbCrLf | \x0D\x0A (13 10) | CRLF - Carriage return and line feed | 
| vbFormFeed | \x0c (12) | FF - Form feed | 
| vbLf | \x0A (10) | LF - Line feed | 
| vbNewLine | \x0D\x0A (13 10) for Windows \x0A (10) for other systems | LF or CRLF | 
| vbNullString | "" | Null string | 
| vbTab | \x09 (9) | HT - Horizontal tab | 
| vbVerticalTab | \x0B (11) | VT - Vertical tab |