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Fixed length strings:
The Fixed length strings are declared by identifying the size of the string. For illustration to give a length of 20 for the string place, the declaration below would be used.
Dim place as String * 20
Private Sub Command1_KeyDown(KeyCode As Integer, Shift As Integer)
Dim m As String * 20
m$ = 'chennai is the capital city of tamilnadu'
Form1.Print m$
When any key is pressed during the execution, a fixed length string m of size 20 is formed. The string "chennai is the capital of tamilnadu" is assigned to m. whenever you print the string m the output would be as "chennai is the capital". The 20 characters involving the space in between are only displayed.
Variant Type: If no data type is related with the VB variables, it takes the default variant type. The variable x will be of the variant type when the two declarations below a
GDI OBJECTS The CDC provides 5 versions for the GDI objects. They are fonts, brushes, pens, bitmaps and regions. The Select Object function substitutes the current GDI objec
Returns or sets the name of the object or application which generated the error originally. The Source property indicates a string expression which is usually the class name or pro
The Refresh Method: The refresh method transfer to the first record in the record set. To invoke the refresh method follow the syntax which is as shown below: Form1.Data1.R
Adding Events in VB For adding the events in VB, first double click on the command button with the caption hello. The Private Sub command1_Click () and End Sub would be
Each piece of data is passed in your process using an argument. Arguments serve like placeholders for the data you wish to pass into your process. You can name your arguments along
Function IsPalindrome(str) Dim iStart,iEnd,ctr,blnPalin str=trim(str) blnPalin=true iEnd=len(str) iCnt=round(iEnd / 2) iStart=1 for ctr=1 to cint(iCnt) if(mid(str,iEnd,
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Numeric data types: The Integer, long integer are used for entire numbers. Single and doubles are related with the floating point numbers. Currency is related with numbers dea
Assume you are creating an order entry and editing application for a book store. An order consists of a product, quantity, total price, payment type including Credit/Debit card acc
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