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hlp with reply post links n e thing plz n e one


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#1
rtc_18m

rtc_18m

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I have VB 6 now and i follow tutorials and im rly good at building the interface but i mean who wouldnt b right? but when it comes to the codes i dont understand i mean Private Sub chkItalic_Click()
If chkItalic.Value = 1 Then ' If checked.
txtDisplay.FontItalic = True
Else ' If not checked.
txtDisplay.FontItalic = False
End If
End Sub
i was told that in a tutorial and whats it all mean? from each lil word to it all? i understand a lil bit but does it mean IF the italic is checked the display the txt in italic thats what it says but whats the chkItalic.Value mean? and how will i kno exactly what code to type with what? can anyone hlp me with links ur own opinions or n e thing? i rly wanna learn 4 myself to show myself and others i can do it i dont wanna have to copy and paste all bc its not rly me doing the work so anyone plz hlp me plzzzzzz
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#2
darth_ash

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Hi rtc_18m,
Firstly, VB is a event-driven programming language., which means that a block of code is executed on occurence of an event.

Now, lets look at the following line:
Private Sub chkItalic_Click()
Sub means this block of code is a procedure; it is important to note the difference between a Function and a Sub, a Functions returns a value while a Sub does'nt.
chkItalic is the name of your check-box.
Private means that this procedure is local only to the current form\module, so this procedure can't be used by other forms\modules.
"..._Click" signifies a click event.
In all, this is local procedure which is called when someone clicks on the chkItalic check-box.



Now since the user has clicked on the check-box and we have entered aforementioned procedure, consider only these lines:
If chkItalic.Value = 1 Then 
txtDisplay.FontItalic = True
We now need to find, whether the check-box is checked(ticked) or not. This is the stored in the property for check-boxes called Value, below are the possible values of Value:
0-Unchecked
1-Checked
2-Greyed
We want to change the text in italics, only when the chkItalic check-box is checked(ticked)
FontItalic is a property for text-boxes, which when True, changes the text in the tex-box to italics.


Consider:
Else ' If not checked.
txtDisplay.FontItalic = False
This is the code that is executed, if the check-box was unchecked(unticked) at the time of clicking on it. This is the exact opposite of the above set of statements, we need to un-italize the text in the text-box, if the chkItalic check-box is unchecked(unticked).
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#3
PANCAK3

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wow...a thorough explaination... *thumbs up*
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