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when we initialize the form at that time if we require to set any variables value then we can set it by defining in constructor constructors name
vba is licensed to microsoft and this compatible with and only microsoft products code written is compiled by an intermediate language known as
describe some general uses for visual basic applications in general contextans visual basic can be used within almost all microsoft products such as
type libraries are files that explicitly explain some or all of the contents of components this haves information about the methods properties
advantage of wrapping database calls into mts transactionif database calls are complete within the context of a transaction aborting the transaction
explain technical reasons which made microsoft withdraw its support for vba in macans the reasons which made microsoft drop its carry to vba are as
com add-ins are software programs which are included into an application and they add already built in features to an existing application they have
data validation is a significant concept in vba application process and a custom dialog box can be used to accurate input errors you can assign an
what is line option explicitline explicit function makes the compiler to recognize all the variables which are not particular by the dim statement
visual basic applications have very rich and flexible applications but there is single limitation when using pointer function windows api has limited
format functions can be used to format lot of the expressions such as money time date percentages and numbers these functions are much easier to use
visual basic is useful if you are planning to make the programs from scratch this language helps you in producing active x controls exe files
msgbox is a built in vb function which shows a message box and msgboxq is a function definite by the user
activities an activity shows an action that performed in the system transitions transitions are shown by open arrow heads transitions are used to
a activity diagram activity diagram is used for functional modellingcaptures the process flowb sequence diagram sequence diagram is used for
the following are the difference among activity and sequence diagramsa sequence diagram represents the way of processes implement in a sequence for
object the interaction among objects takes place in a system an object is depicted by a rectangle with the name of the object preceded by a colon
a initial state the first or the default state the object is in it is indicated by a solid circleb state all the states an object can go in are
nodes a node shows any hardware component the configuration of hardware is shown by attributes of nodes components a component shows software every
actor actor shows an external user end user who interact with the system object object is shown by one of components of the system unit a unit is a
a component diagram is mainly useful with teams of larger size uml components are great to perform architectural landscape for an exact system the
benefits of using uml breaks the complex system into discrete pieces that can be understood simplyhandover the system to new team becomes
takes care structural and behavioural aspect of a software systemcontains software usage functionality performance economic reuse and technology
uml is called as unified modeling language it is used to graphical language for visualizing artifacts of the system it allow to make a blue print of