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What does the Implements statement do?
Sandhya.Kishan
- May 29th, 2012
Implement statement specifies an interface or class that will be implemented in the class module in which it appears.It separates the interface of an object from its implementation, so that multiple implementations of the interface can be developed.
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What is the difference between Msgbox Statement and MsgboxQ function?
Sandhya.Kishan
- Jun 21st, 2012
Msgbox statement is used to display messages where as a Msgboxq function display a message and return a value when any button in the MsgBox is pressed.
MsgBox is a built in VB function which is used as a statement and MsgBoxQ is a function defined by the user.
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What types of data access have you used.?
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Have you ever used classes? If so, how have you used them?
asohaney
- Mar 6th, 2008
Create a project of type ActiveX DLL. Define your class in the project. COmpile and make DLL. Either register this DLL by using REGSVR32.EXE or add it in the componenet srevice by using COMEXP.MSCAdd ...
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Have you ever used Collections? Collection Classes?
asohaney
- Mar 6th, 2008
Visual Basic has a very handy Collection object built in. You can add and remove items and not worry about bounds like with arrays. It is very useful but does have some shortcomings. For example you c...
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What third party ActiveX controls have you used?
Sandhya.Kishan
- Jul 30th, 2012
The third party activex controls used are MSDataGrid, MSChart, MSCalendar.
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How can you tell what kind of object an object variable is holding?
Sandhya.Kishan
- Jun 21st, 2012
We declare an object variable to hold the object.For example, a word processing application may provide an Application object, a Document object, and a Toolbar object.
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What is the return type of Instr and Strcmp?
Instr – integer (Numeric position)Strcmp - integer ( if both the string are equal they result = 0) Strcmp (Str1, Str2, Comparetype) Comparing mode = 0 – Binary Comparing 1 – Textual Comparing
Sandhya.Kishan
- May 29th, 2012
Syntax of InStr InStr([start,]string1,string2[,compare]) The InStr function can return the following values: * If string1 is "" - InStr returns 0 * If string1 is Null - InStr returns Null * If stri...
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What is the max size allowed for Msgbox Prompt and Input Box?
1024
Sandhya.Kishan
- May 29th, 2012
The max size allowed for message box prompt and input box is 1024 bytes.
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What is the max size allowed for Max label caption length.
2,048
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What is the max size allowed for Max Control Names length
255.
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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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What is frx?
When some controls like grid and third party control placed in our application then it will create frx in run time.
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Name some date function
Dateadd(), Datediff(), Datepart(), Cdate()
Sandhya.Kishan
- May 29th, 2012
1.DATE_FORMAT() -Format date as specified
2.DATE_SUB() -Subtract a time value (interval) from a date
3.DATEDIFF() -Subtract two dates
4.DATE_ADD() -Add time values (intervals) to a date value -
What is keyword used to compare to objects?
ISOperator – Returns Boolean.
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What is the diff. Between function and sub procedures
) Function will return value but a sub procedure wont return values…
Sandhya.Kishan
- May 31st, 2012
The difference between a function and sub procedure is 1.A function returns a value but the sub procedures do not return values. 2.We can call function by its name but we need to prefix a call keywor...
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Where will we give the option explicit keyword and for what?
In the general declarations section. To trap undeclared variables.
Sandhya.Kishan
- May 31st, 2012
We use explicit keyword to trap undeclared variables in the declaration section.
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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 variable or property.
Sandhya.Kishan
- Jun 1st, 2012
Get property is used to initialize value to a variable.
Set property is used to set a reference to a property using the ByRef.
let property is used to is used to set value to a property using the ByVal.
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