What is Collection Objects?
Similarly to arrays but is preferred over an array because of the following reasons. 1. A collection objects uses less Memory than an array. 2. It provides methods... Read more »
Archive for April, 2007
What is the diff between the Create Object and Get object?
Create Object - To create an instance of an object. Get Object – To get the reference to an existing object. Read more »
Why we need OLE-Automation?
Enables an application to exposes objects and methods to other Applications. No need to reserve memory. No need to write functions. Object library that simplify... Read more »
Why we use Treeview Control?
To list the hierarchical list of the node objects. Such of files and Directories. Read more »
What is Tabstrip control?
It is tab control to place our controls with in the form in multiple sheets. Read more »
What are properties available in Clip Board?
No Properties Available. Only the methods they are SetText, GetText, Setdata(), Getformat(), Clear. Read more »
What is difference between the Generic Variable and Specific Variable?
Generic Variable:Create Object Ex:-Ole-Automation . No need refer the object library. Specific Variable: Binding Procedure Early and Late Binding ( Can be Remove... Read more »
What is Zorder Method?
Object.Zorder = 1 or 0 Place a Specified mdiform form or control at the front or back of the z-order with n its Graphical Level. Read more »
Diff type of Datatypes?
LOB (Large Object Data type). CLOB (Stores Character Objects). BLOB ( Store Binary Objects such as Graphic, Video Chips and Sound files). BFILE(Store file pointers... Read more »
What is MDI form?
We can have only one MDI form for a project. Multiple Document Interface. This form type is VBModal. We have set the Child property of the forms to True to place... Read more »
How to declare Dll Procedure?
Declare function “” lib “” Alias “” (Arg, …..) as Return type. Read more »
Different type of Instantiation?
Private – Only for the Specific Module. Public not creatable – Private & Public Multi Use - Variable we have to declare. Single Use – Not possible through... Read more »
What is the diff between the Std and Class Module?
Std Global with in the project. Cls Global through out the all project only thing is we want to set the type lib. Class Modules can be Instantiated. Read more »
What is control array and How many we can have it with in the form?
Group of control share the same name. Max 32, 767. Read more »
What is the difference between Property Get, Set and Let.
Set – Value is assigned to ActiveX Object from the form. Let – Value is retried to ActiveX Object from the form. Get- Assigns the value of an expression to a... Read more »