VS 2008 How Many Double Numbers Are
Jan 30, 2010how many double numbers are in 20 textboxes with numbers that i have.
View 17 Replieshow many double numbers are in 20 textboxes with numbers that i have.
View 17 RepliesI was using the following code:
If Entry.ToLower = "test" Then
Dim test As Double
test = Double.Parse(InputBox("test", "test")[code]....
to check if I can inputoutput scientific numbers tofrom Double.I was able to output the data successfully. (With "E" instead of "* 10 ^" but that's fine)But when I input the same number error occurs.
"System.FormatException: Input string was not in a correct format.
at System.Number.ParseDouble(String value, NumberStyles options, NumberFormatInfo numfmt)
at System.Double.Parse(String s)
at Particle_Simulation.General.ConsoleEntry(String Entry) in G:ProjectsVisual BasicParticle SimulationGeneral.vb:line 23"
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" ")
View 6 RepliesTextBox1.Text = Environment.UserName + "_" + My.Computer.Clock.GmtTime.Year.ToString + "_" + My.Computer.Clock.GmtTime.Month.ToString + "_" + My.Computer.Clock.GmtTime.Day.ToString + "_" + My.Computer.Clock.GmtTime.Hour.ToString + "_" + My.Computer.Clock.GmtTime.Minute.ToString + "_" + My.Computer.Clock.GmtTime.Second.ToString
This produces, for instance, such text in the TextBox1:
MyUsername_2011_2_6_23_22_6
I would like it to displat double numbers for month, day, minute etc, to get something like that:
MyUsername_2011_02_06_23_22_06
How do I do it?
how can i add two excel sheets with numbers and the equal (similar)numbers to save once
View 1 RepliesOk, I have like this:
Public basic_numbers(10) As Integer
basic_numbers(0) = 0
basic_numbers(1) = 1
[code].....
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?
View 2 RepliesI 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]
[url]
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?
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]....
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 !
I want to use this code. Is there anyway I can Double quote?
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If ComboBox1.Text = "Open Website" Then
[code].....
I am working with WMP and trying to change location where my music file starts to play.
timespan += CDbl(((60/BPM) * 4) / _NotesValues.ElementAt(i)) ' creating timespan from collection of notes...
[code].....
I am having trouble using an If statement to check to make sure the value entered in a textbox is a double. I was told to use double.parse to check this but I can't get it to work right. Anytime I run the program and type text into the textbox, it tells me the code is not right.
Here is my
Dim DblFahrenheit As Double
If TextBox_FahrenheitTemp.Text.Length = 0 Then
MessageBox.Show("No temperature was given. Please enter a temperature to convert.")
ElseIf DblFahrenheit = Not Double.Parse(TextBox_FahrenheitTemp.Text) Then
[Code]....
I have this:vb Private Sub ImageShop_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.DoubleClick openFile.ShowDialog()End Sub Which is supposed to show my dialog box when someone double clicks on the form, but that doesn't work.
I have a menu item that is single click, and that works fine. Why doesn't the double click work when someone double clicks on the form?
I have been learning how to sort a list using lambda functions
excessPop.Sort(Function(f1, f2) f1.ID.CompareTo(f2.ID))
I am however struggling to sort a list using 2 parameters within a lambda function. The properties within my list that i need to sort by are Category and then by Cost. how to do this?
to obtain double quantity between 2 hours I do this:
[Code]...
But how would it be inversely?For example if I have a number (double), how I know at all the hours and minutes are they?
[Code]...
I'd like to set a panel to double buffered to prevent the massive flickering that I've got while I slide panels in and out of my form, but I'm not sure how to.I've Googled it, but all I've found is snippets of code which I don't know how to use. It involves something about creating your own class with double buffering enabled and then creating a panel from that class.
View 9 RepliesI'm struggling to solve this problem and am throwing it out to y'all...
For example, if I had a value of 6.5, (representing 6.5 feet), I'd want to separate that value into two values:
6 - 12" sections
1 - 6" section.
This initial value could be any number from 3-16, in .5 increments. (3, 3.5, 4, 4.5, 5, 5.5, etc.)
I'm trying to write a (WPF) program with Option Strict on, but I have a problem.
I have a Canvas with a background image, and I want to use the coordinates of where the canvas was clicked to determine what should happen next. (Something like this)
Dim p As Point = e.GetPosition(DirectCast(sender, Canvas))
Dim imgColorMap As System.Drawing.Bitmap = My.Resources.ColorMap
Dim c As System.Drawing.Color = imgColorMap.GetPixel(p.X, p.Y)
This gives me the error: "Option Strict disallows implicit conversion of 'Double' to 'Integer'" for p.X and p.Y I have tried several things, like Math.Round but strangely enough that also returns a double.
How do I cast/round these Double values to Integer, so I can use them in my GetPixel method?
I'm having a lot of trouble getting Double Buffering to work for me. I've gone through about 30 sites but I can't seem to get it working for myself. I'm making a boardgame for a school project, and I have the characters (Who are just shapes with Happy Faces from the Visual Basic Powerpack OvalShape) and I have them moving with this
If intCurrentSpace(1) <> intTargetSpace(1) Then
intNextSpace = intCurrentSpace(1) + 1
Else
[code]....
When i use VB6 i get the following outputs
[Code]...
I'm trying to finish up Visual Basic project for a class to create a playlist of files and to have them played.I have everything working if I single click the item from my list, and then click the play button in the WMP control portion of my form.I then want to add the functionality of double clicking the selection in the list and play with the following code:
[code]...
and nothing seems to happen.Digging into values of the debugger at the time I try to play the file:
[code]...
The sourceURL of the first item in the playlist is correct, but the duration is 0:00 (it should be 0:01). Since it seems there is no duration detected, nothing is played. Any idea what I missed? Again, if I single click the file, which sets the playlist as I want, then click PLAY on the GUI controls, it works fine.Also, is there any way for the program to detect when the song has changed when playing a playlist of multiple songs? I want to have label fields showing "Now Playing" information that would change info as the songs change, and maybe even change the item selected as things are played. I've not yet found a way to detect this change, only when the player starts and stops in general.
I am creating a program, if you double click the selected row in a datagrid, all data in that row will pop up in the next form. But I am having problem because whatever row I select, the first row is the one that always appear.
Here is my
Private Sub DataGridView1_CellContentClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellContentClick
Dim row As DataRow = DirectCast(Me.BindingSource1.Current, DataRowView).Row
Using dialogue As New Form2(row)
dialogue.ShowDialog()
End Using
End Sub
Im creating a directory client system. I want to link my Form1 with Form2. For Example, if I click the first record, Form2 will pop-up and show all the details about the record selected.
I am making a program that shows a data of azimuth and elevation of a radar. Example:
Azimuth = 203.40
Elevation = 3.52
I need that the data will always be two number after the point. Even when the number ends with zero (203.40).But the Double by default removes the zero from the end of the number.
How can i format a double number to be like a integer?
for example:
i want to 12.34 to be rounded and displayed like 12 not 12.0.
because when i do String.Format("{0:n0}", 12.34) the number will be displayed as 12.0
I am trying to prevent a form from being moved or resized by the user. I am able to do that IF the user double clicks the form (I basically resize the form to full screen, andreposition it to 0,0). This is loads of flickering, but it works. However this seems to only work if the user double clicks the form. After loading, if you grab to top bar, you can move it.
View 2 RepliesHow do i make so when i click on a an option a Tree View and when i click on it a Button shows up?
View 3 RepliesI'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.
View 4 RepliesIf 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)))