June 2010
Intermediate to advanced
320 pages
7h 11m
German
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5.4 Variablen und Konstanten
Variablen und Konstanten sind wesentliche Bestandteile einer VBA-Prozedur. Beides sind Speicherplätze, die während der Dauer einer Prozedur mit Werten befüllt werden.
Was sind Variablen?
Variablen sind dynamische Speicherplätze. Sie nehmen innerhalb eines VBA-Codes einen Wert an. Dieser Wert kann sich während der Dauer der Prozedur ein- oder mehrmals ändern.
Sie können eine Variable beispielsweise mit einer Zelle vergleichen. Nehmen wir an, die Zelle A3 enthält eine Summe, die sich aus der Berechnung 100+100 zusammensetzt. Die Zelle A3 enthält somit den Wert 200. Wenn sich nun einer der Werte der Addition verändert, z.B. 100+300, ändert sich automatisch auch das Ergebnis in Zelle A3 von 200 in 400. Genauso wie der Inhalt ...
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