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Which type of object requires this object?
Sandhya.Kishan
- Jul 30th, 2012
"This" object is used inside any method to refer to the current object. It is always a reference to the object on which the method was invoked
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What is the-use of property page Wizard in ActiveX Control?
Sandhya.Kishan
- Jul 30th, 2012
To create one or more property pages for the control then we make use of property page wizard in activex control.
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How would you activate animation control?
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What is the use of parameters collection?
Sandhya.Kishan
- Jul 23rd, 2012
Each Parameter object present in the parameter collection provides a detailed information about a single parameter used in a stored procedure or a parameterized query as the parameter collection is a collection of Parameter
objects associated with a specific Command object. -
What are the Internet tools available in VB6.0?
Sandhya.Kishan
- Jul 12th, 2012
Internet tools avaliable in VB6.0 are DNS lookup, SMTP e-mail, Trace Rout, Port Listener, Port Scanner etc.
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ActiveX and Types of ActiveX Components in VB?
Sandhya.Kishan
- Jul 12th, 2012
An ActiveX is a component programming object that can be re-used by many application programs within a computer or among computers in a network.
Types of activex components are
1.Activex control
2.Activex exe
3.Activex dll.
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What are the Style Properties of Combo Box?
Simple, Dropdown list – We can type and select. Dropdown Combo – Only Drop Down.
Sandhya.Kishan
- Jul 12th, 2012
The Combo Box style property has two integer values.
Style property 0 - here the Combo Box behaves as a drop-down Combo Box.
Style property 2 - here the Combo Box behaves as a list box. -
What is difference between datagrid and flexgrid?
Datagrid – Editable. Flexigrid – Non-Editable. (Generally used for Read only purpose.)
Sandhya.Kishan
- Jul 12th, 2012
1. Full data binding is allowed in datagrid where as flexgrid supports read only binding. 2. Datagrid is large and do not allow merging cells where as flexgrid allows cell merging and it is smaller. 3...
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What is ADO? What are its objects ?
ActiveX Data Object. ADO can access data from both flat files as well as the databases. I.e., It is encapsulation of DAO, RDO, and OLE that is why we call it as OLE-DB Technology. Objects are Connection, Record Set, Command, Parameter, field, Error, Property.
Sandhya.Kishan
- Jul 12th, 2012
ADO stands for Activex Data Object. It is a programming interface to access data in the database and can also access data present in web pages, spreadsheets and other types of documents.
ADO has three objects namely command, connection and record set objects.
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ActiveX Component
What project option causes the necessary files to be generated when the project is compiled?
Sandhya.Kishan
- Jul 12th, 2012
Gcc -c proc.adb is an option to generate the necessary files during compilation.
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Is it possible to call backend procedures with ADO control?
Sandhya.Kishan
- Jul 12th, 2012
If the backend procedures are stored procedures then it is possible to call those procedures with ADO control.
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How would you attach an ActiveX control in Your Application?
Sandhya.Kishan
- Jul 12th, 2012
We can attach an activex control using
BOOL Attach(
BSTR PortName // name of the virtual serial port
);
Here PortName is the name of the existing virtual serial port to be opened.
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How to convert a form that contain some chart and some textbox to PDF in Visual Basic ?
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What is Static Variable?
Its Scope will be available through out the life time.
Sandhya.Kishan
- Jun 27th, 2012
Static variables are classes variables not instance variables.The lifetime extends across the entire run of the program.These variables are instantiated only once for a class. These variables have a s...
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How to increase the Date corresponding with month,date,year?
DateSerial(year(Now),Month(Now)+1,1) Hour, min, sec, month, year, DateSerial, dateadd, datediff, weekday, datevalue, timeserial,timevalue.
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What are the scopes of the class?
Public, private, Friend
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Suppose from form1 to form2 object property settings will arise to ?
Invalid procedure call or argument (Run time error – 5)
Sandhya.Kishan
- Jun 27th, 2012
Form1 to form2 object property settings will arise to run time error or to an invalid argument.
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Drag and Drop state numbers and functions?
State 0 – Source control is being dragged with the range of a target. 1 – Out of the range of a target. 2 – One position in the target to another.
Sandhya.Kishan
- Jun 27th, 2012
There are 3 states numbers drag and drop functions
State 0 source control is being dragged with the range of a target.
State 1 out of the range of a target.
State 2 one position in the target to another -
What is the max size allowed for Extension in Visual Basic
Frm, bas, cls, res, vbx, ocx, frx, vbp, exe
Sandhya.Kishan
- Jun 27th, 2012
The extension allowed in vb are vbx, ocx, frx, vbp,Frm, bas, cls and res.
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Kind of components can be used as DCOM servers?
Visual Basic Interview Questions
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