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27. VB. . . . .
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, , . :
All Windows Forms ( ) . , ;
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1. Visual Basic 2005.
2. Create Project Start Page , , New Project File.
3. (. 11) . (Project Types). , 17 . Visual Basic Windows. Windows . (Templates). Windows Application.
4. Name . (. 4.1). , . , , .
5. Location .
6. Create directory for solution , .
7. O.
28. VB. . . .
1. VBA , , .. , , . . :
Private Sub
VBA(Option Base 1, Option Explicit)
(Const PI As Double = 3,1415, Const MS = 20)
(Dim x As String * 10, Dim IJ As Integer)
(Function F(x), F = 2*PI*x, End Function)
Sub My_Pr()
Z = F
MsgBoxotv = &Format(z)
End Sub
2. Visual Basic Dim As . , Variant. Option Explicit , . , Variant, , , .
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ü :
Ø (sbyte 1, short -2, integer 4, long 8)
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ü (chart, string)
ü Boolean, date, object
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29. VB.
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(Mod) ( ).
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(>= <=);
(<>)- : If nVar <> 10 Then;
(Is). , - : If obj1 Is obj2 Then;
(Like). , - : If strEmail Like "*@*.*" Then.
:
(And);
(Or);
(Not);
(Xor) E1 Xor E2 True, E1 = True E2 = True, False;
(Eqv);
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For =1 ( ()) to 2() [step 3] ( , 1)
{ }
[ Exit for]
[continue for]
Next
Do..Loop
true ( , , =true , =false. = 0) do while → →loop
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true ( , 1) do → →loop while
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false ( =1) do →→loop until
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End Sub
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Private|Public Function ( / ) As →
Return →
End Function
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