March 13, 2001

CoInitialize() should be called for each thread in the application that makes COM calls. Not just once at application startup.

Many developers code text boxes to only accept numeric values. They usually forget about keyboard and mouse copy and paste functions. The following code only allows values 1 to 9

The AWT Component.paint and Component.update methods take a Graphics object as a parameter. This object should not be retained, because it might be a transient object valid only during the

The following code creates an array with month names or populates a combobox or listbox with same = without all the typing: holdMonth(1) =