Double Rounding Within For Statement?

Dec 9, 2011

What is the rounding method that VB.NET uses when a double is used in a for statement like this. It looks like 5.5 is rounded to 6 and 10.5 is rounded to 10. The output of the program is 6 7 8 9 10

Sub Main()
Dim A As Double
Dim B As Double

[code]....

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Double Data Type Rounding?

Feb 23, 2011

integer 51 is the result of Math.Round(mX ) where mX = 50.8026755852843how do I ensure that an integer value is created but doesn't round up but rather rounds down.the application is a location coordinate system begin displayed and if the mouse pointer hovers over a point just slightly to the right of the vertical x grid line as determined by a MouseEventArg, I want the resultant integer value to be 50 if the Mouse

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Rounding A Double To The Nearest 5th Or 10th?

Apr 20, 2010

I'm trying to round a double to the nearest 5th or 10th number. So far my code looks like this basically:

'Mathamatical equation For Cost to Mow
dbCost = (txtArea.Text / dubMetres) + intExclusions * 3 + (intIrregular / 2)
Dim dbRounded As Double
'Trying to round to nearest 5 or 10

[code]....

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.net - Double To Integer Conversion Concerning CInt And Rounding?

Oct 7, 2011

I'm quite a newbie in VB.NET (and VB on the whole). So my question could sound rather odd, but still. I've stumbled upon an issue with the CInt and converting a double to an integer.

The issue is the following: CInt(10.5) would be 10

CInt(10.51) would be 11, but I expected 10... (Got used to C# style conversion: (int)10.51 would be 10)

As pointed out here Integer.Parse VS. CInt the result is just rounded in some fashion. Nowever, all I need is to get only integer part and throw away the fractional one. How can I achieve such type of conversion in VB.NET? After a short research I assume that I can use Fix() funciton to do the trick, but is it the best choice ever?

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Rounding Double Number To 6 Decimal Places

Oct 8, 2011

How to i roundup a double number to 6 decimal places in vb.net?

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IDE :: Cannot Get VB2010 To Stop Rounding Double Value Before Division Operation

Oct 1, 2009

When running the following, the code wants to return a value of 5 dollars, 3 quarters, 0 dimes, 1 nickle and 3 pennies when change due is 4.78.

'calculate amount of dollars, quarters, dimes, nickles, and pennies.

Double.TryParse(txtDollars.Text, dblDollars)
Double.TryParse(txtQuarters.Text, dblQuarters)
Double.TryParse(txtDimes.Text, dblDimes)

[Code].....

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Double If Statement - Getting Error "Conversion From String "frog1" To Type 'Double' Is Not Valid."?

Apr 12, 2011

I've been just making random programs trying to get the hang of the new language this time I was making a leap frog game where it switches back and forth beetween frogs every time a button is pressed. It also checks if the frog can land in the text box above the button pressed, if there is another frog there a message box will pop up saying sorry space is filled other wise the frog should land there.

[code]...

The error message says "Conversion from string "frog1" to type 'Double' is not valid." I understand what a double is but I've tried And If and that causes a bunch of errors.My Question is whats wrong with this cod and how can I make a double if statement???PS I did try to make an array to shorten this but thats in a different fourm will post URL later

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Intercept Single Or Double Mouse Click - Only Execute Double Click Code On Double Click?

Jan 27, 2011

I have a situation where I am handling both single & double mouse click events on a form. In both cases something has to be loaded, however when a double click occurs, I do not wish to execute the code attached to the single click event.Is there a way to intercept the mouse click's and check if double or single and then execute the right event appropriately?

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Flickering - Double Buffered Picturebox - Not Double Buffere - Black Screen With The White Lines

Nov 17, 2010

I have a htpc project that I am working on. The main program loads dll plugins which are basically other win forms. On each of these forms, including the main program, I use a picturebox (a double buffered picturebox) for the background image and then draw everything on it by hand. Whenever I load the form from the dll and show it, I get a weird flicker. It looks like it is the previously used double buffer. Is there any way to clear the background double buffer before the flicker? Or am I going in the wrong direction?

Here's a couple of videos of the problem:
[url]
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Notice the black screen with the white lines on it or the flash of the desktop after I click "Movies." How do I get rid of that?

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Use A Decimal Instead Of A Double (why Then Do Microsoft Use A Double For Most Math Class Functions)

Aug 15, 2011

For greater accuracy I should use a Decimal instead of a Double ( so I've been told ). Why then have Microsoft chosen to use DOUBLE for most of the functions that return a floating point value in the Math Class?

[Code]....

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VS 2008 : Double Quotes Inside A Double Quote?

Apr 4, 2009

In vb.net, im using objWriter.Write("playerA= "x"")as you can see im using double quotes inside double quotes, how do i skip it so the error doesnt show up?in php you make an "" to skip the string like ("playerA = "x" ")

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Vb6 Double Versus .Net Double Data Type?

Aug 11, 2010

When i use VB6 i get the following outputs

961.605 * 100 = 96161
936.495 * 100 = 93650
929.295 * 100 = 92929

NOW..... When i do the above in vb.net 2005 i get the following

961.605 * 100 = 96160
936.495 * 100 = 93650
929.295 * 100 = 92930

How can i get the same output as the VB results. And i have tired it ! Type conversions, math functions, everything i can think of to get the same VB6 output !

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.net - Rounding To Next Whole Number?

Dec 15, 2009

if i have an integer a_variable = 1.1 how do i round it up to 2?

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.net Rounding To Whole Number?

Sep 12, 2011

I have very basic question, I'm really not familiar with vb.net.

I have code like this: Dim minutes As Integer = (55 / 60)

I want this to return 0 to me, integer 0 (no decimals), but vb.net rounds this to 1.

Can someone hint me up how to accomplish this ?

edit. OK for those with same problem try dividing with (Yeah, it's not escape character in vb.net)

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Math - Rounding Up In .NET?

Mar 29, 2012

How can I round 4.39 to 5 in VB.NET? I tried:

Math.Round(4.39, 0)

But it displays 4.

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Number Rounding In .net?

Jun 9, 2011

i'm new to this forum and my doubt is i'm having three text box and say for eg.textbox1.text,textbox2.text,textbox3.text. and we are giving 4.52 and 8.76 as input in textbox 1 and 2 respectively the actual output we obtain is 39.5952, but i should get it as 39.59(only two digits after decimal point and no rounding) in textbox3

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Rounding Off A Percentage

Feb 23, 2009

How can I round a percentage off to the nearest whole number? [code]

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Rounding To The Nearest 25?

Mar 23, 2012

I need code that would take the input from textbox "Txtkbb" and divide it in half then round to the nearest 25 and store it in value "KbbValue"

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Rounding Up Whole Numbers?

Feb 15, 2012

I have a number like 6511 and I want to round it up to 7000. How do I tell the computer to round the numbers to the thousands place. I know how to round decimals but not whole numbers.

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Syntax For Rounding Up?

May 19, 2010

what is the syntax to round up a decimal leaving 2 digits after the decimal point,
ex: 2.566666 -> 2.57

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Vb6 Double Vs Double Data Type

Aug 11, 2010

When i use VB6 i get the following outputs

[Code]...

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Forms :: Double Buffer A Form, Aside From Setting "Double Bufferd" To True

Oct 27, 2009

I've asked this question before, and so have many before me, i have done extensive research on the topic and stil no help. Maybe this is some kind of secret info. shared only amongst top programmers. Bt how do you really, trully double buffer a form, aside from setting "Double Bufferd" to true, which doesn't work in most cases, I want to know how do companies lyk Microsoft and Symantec, prevent flashes on big applications such Word and Norton.

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VS 2005 Display A Command Line Argument That Has Double Quotes Around, The Double Quotes Are Always Stripped Off?

Feb 23, 2010

If I try to display a command line argument that has double quotes around, the double quotes are always stripped off. How can I avoid this?

for example, the argument is "c:xx.txt" and this displays c:xx.txt instead Console.WriteLine((My.Application.CommandLineArgs(4)))

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Rounding Numbers In A Text Box?

Jul 8, 2009

Lets say my number in text box is 0.376 (3 numbers after decimal) how to round it in a same text box to 0.38 (2 numbers after decimal). Basically any number to x.xx form . Can I have a code for that please

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Avoid Rounding Off Numbers?

Apr 20, 2011

how to avoid rounding off numbers

Code below

Dim acc = 0
Dim i
Dim x() = {699.68, 632.70}

[Code].....

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Bug On Rounding On Division And MOD Of Integers?

Feb 11, 2012

I have a group of 25 labels named Label1, Label2, Label3, ... Label25 in a square of 5 per row, 5 per column and I wanted to assign the backcolor to all of them on a loop and assign a value of "True" or "False" to a matrix of 25 boolean values representing them.

But I was getting errors on the pattern created.

My approach was to use a substring containing a number copied from the label names:

Num = Val(sender.name.substring(5))

And the subindexes of the matrix:

p = (Num - 1) / 5
q = (Num - 1) Mod 5

The values for the lower corner of the matrix were rouded to 5 instead of being 4. Instead of (4,0) ,(4,1), (4,2), (4,3) (4,4) I was getting (5,0),(5,1)...(5,5)

So I solved the problem by creating two single variables "A" and "B", doing the divission and MOD operations on them, finding the floor of them and then converting to integer:

Private Sub Label1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles _
Label1.Click, Label2.Click, Label3.Click, Label4.Click, Label5.Click, _

[Code]......

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Cancel Rounding Number?

Nov 26, 2010

i have the number 2.523 and its changing to 23. how can i cancel it?

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Cutting Off Digits And Rounding Up/down?

Jul 22, 2010

I need a function that takes a decimal, with a certain number of digits behiond the comma and convert it to a string with a different number of n digits behind the comma. (to display it)My problem is the rounding ip/down.

like 123,789 with n = 2 --> 123,79
or 123,4 with n = 0 --> 123
or 123,5 with n = 0 --> 124

I did not find an existing function that does that, so I wrote one myself.However the code has become soo complex and it still does not work well, and I get frustrated to spend soo much time with something so trivial.Does anyone know a function that can do this? There must be something out there.

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Math Rounding Using Single?

Jul 13, 2011

I'm using .Net 3.51 SP1. I've been having problems with .Net's inability to add single numbers, could anyone throw some light on this.

[Code]...

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No Decimal Places Without Rounding

Aug 21, 2010

I've been trying get rid of decimals on a number, but I need the whole number, so I can't have it rounded. I've tried .ToString and Format(), but without any luck.

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