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If x = y Then result = value1 Else result = value2 End If The above example would also eliminate the problem of IIf evaluating both its truepart and falsepart parameters. Visual Basic 2008 (VB 9.0) introduced a true conditional operator , called simply "If", which also eliminates this problem.
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...
The if–then or if–then–else construction is used in many programming languages. Although the syntax varies from language to language, the basic structure (in pseudocode form) looks like this: If (Boolean condition) Then (consequent) Else (alternative) End If. For example: If stock=0 Then message= order new stock Else message= there is ...
Visual Basic (VB), originally called Visual Basic .NET (VB.NET), is a multi-paradigm, object-oriented programming language, implemented on .NET, Mono, and the .NET Framework. Microsoft launched VB.NET in 2002 as the successor to its original Visual Basic language, the last version of which was Visual Basic 6.0.
An upgraded version was produced under the name of BASIC 128, for the TO7-70, TO9, MO5NR and MO6. [ 16 ] [ 17 ] [ 18 ] It included commands for disc operations and other new instructions. On the TO8/8D and TO9+ , an even more upgraded version under the name of BASIC 512 was provided.
else if condition then begin instructions end... «else begin instructions end» case variable of case1: instructions ... «else: instructions» end: Visual Basic: If condition Then instructions «Else instructions» End If Single-line, when instructions are instruction 1 : instruction 2 : ...: If condition Then instructions «Else instructions»
Unlike most BASIC implementations of the time: VCS BASIC uses ← instead of = for assignment; e.g., A←A+1. Statements can be strung together on a line without a delimiter; e.g., Note←APrintA. An If statement can be used as a function, returning a value: Ver1 ← Ver1 + If Ver1 Mod2 Then 8 Else 92; If statements can take an Else clause ...
A form found in unstructured languages, mimicking a typical machine code instruction, would jump to (GOTO) a label or line number when the condition was met. IF..THEN..(ENDIF). Rather than being restricted to a jump, any simple statement, or nested block, could follow the THEN key keyword. This a structured form. IF..THEN..ELSE..(ENDIF). As ...