VS 2010 Arranging Data Points?
Nov 4, 2011
I'm using mscharts, but my question might not need to be chart related to be answered.My chart contains 5 XY data points that will be shown in a spline (line graph). The X values are from text boxes 1-5, my Y values are from textboxes 6-10. I'm adding them to my chart by code.
[Code]...
My issue is I have to enter the data in order to make my line proper. Is there a way to first arrange the points, then add them to the chart. Otherwise if I add a lesser point in the middle, it "z's" the line.
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Jan 9, 2009
Private Sub frmAttendace51_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'clear data set of any existing data
objDataSet.Clear()
'fill schema
[Code]...
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Apr 20, 2010
is there a way to offset the points in a polygon without having to change each one individually the points are in an array
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Mar 9, 2011
I have a picture and I have defined a circle on it(as a rectangle) . This will not always be on the same place and i need a way to get all the points that is in the circle. If it it will always be a near perfect circle.
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Sep 30, 2011
I have created an app, that reads data from a .txt file, and compares it to data retrieved from a website. The only problem is that my program slows down and sometimes even freezes at specific points in the program. I don't understand why, because that specific point in the .txt file is no different then the rest of the file.
Here is my
Function vertaalGegevens(ByVal teller)
Dim webStream As Stream
Dim webResponse = ""
Dim req As HttpWebRequest
[code]....
I also tried making a different thread, but that became way to complex for this simple program.The text file i import is 1.5 mb big, and contains aproximatly 66,000 records that need to be run trough. These records are contained in a ArrayList. The word "teller" in the code stands for count, this value gets higher each loop. The loop is run outside this peace of code.I was thinking that maybe I didn't close the webresponse object, so I also tried webResponse.Dispose(), with no success.
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Sep 30, 2011
On forms size and such, is it in points or pixels? I'd assume pixels, however, it seems when i make a image that is in the same size, (i put the size as the dimensions for pixels), the image seems not the same size. I'm unsure of how big a "point" is, but i am aware of a pixel.
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Jan 23, 2011
I am building a game project for a school project. User gets points for completing certain tasks. I have it all coded - curious as how I should do high score table. I was thinking an Access DB, but that seems like total overkill. Does XML seem reasonable?
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Apr 30, 2010
I've rewritten my program so it would be more .net friendly (meaning I try to draw in picturebox.Paint event).
I try to use DrawLines using array of points, which are added by user one by one, but I can't figure out how to force my program to only use points that have been set by user and not the whole array.
When I call DrawLines pointing at my array of eg. 10 points and only 5 had been set, I end up with a nice set of lines with the last going to the upper left corner (0,0) and supposedly staying there for 4 more points, which is unacceptable.
I think of using ReDim Preserve each time, but I am not sure if it is the most efficient way to do this.
Anyone can think of something more elegant before I implement this redim monstrosity?
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Feb 9, 2011
Below is some code. Note the comment "SOULD BE -1" If I make it -1 I get the message that I'm trying to write into protected memory.
Not on all images but a few that I tested.It appears that inBitmap.Height points to non-image data.
1)Can you tell me what is wrong and how to fix it?
2)Or how to test so I don't crash.
[Code]...
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Sep 15, 2009
Find Gradient and Angle from 2 Data Co-ordinates.
Trying to find the gradient and then the angle.
The program will open a text file and the program will do its stuff.
The text file will be like: I have 2 co-ordinates (X, Y) just contain numbers.[code]...
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Dec 12, 2011
Im trying to make a scholarship analysis. i want it to be determined by percentage points using the following criteria.
OVERALL GPA
MAJOR GPA
VOLUNTEERED HRS = NUMBER OF REPAIRS * 4
VOLUNTEERED T SHIRT HRS = NUMBER OF SHIRTS * 10
I have inputs for the users name, academic status, overall gpa , major gpa , number of repairs and number of shirts. so how could i use the information to give the user say like 10 out of 10.. if they have 4.0 and alot of hours.. or like 6 out of 10 if they r an average students and have little hours used.
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Jun 21, 2012
I have an array of type Double() (1 x n) that I am trying to quickly plot on a graph I've already set up. The only thing I want/need to do is take my array and store it as data points (y-axis values) in the series I already have. What's the best way to do this? Also, will the data points that are plotted change as my array changes, and if not, how would I replot those new points and get rid of the old points?
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Mar 9, 2011
I have an ASP Chart (v4) which displays the data I need perfectly. I want it to show labels at the top of the data points and I am having some difficulty with it. Here is my code that works for both series but does not display the labels:
[Code]...
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Nov 1, 2011
I need to display a grade based on the number of points entered. store the min and grade in a 2d array here's my code that I have currently:
Dim strGrade(,) As String = {{"0", "F"},
{"300", "D"},
{"350", "C"},
[code]....
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Jan 23, 2012
Well I have a list of things I want to search based on multiple points of data...for example Resolution, 3D capable, touchscreen capable....etc....What is the best way for display someone can think of & filtering results by capability, I have none of it typed out, etc...like list of objects & capabilities, etc... alreat...so it can be made any way that is thought to be good(with speed as well) for many different listings...say 1,000 of them & it filters pretty much instantly....reading capabilities & such & the list itself is easy but how can I make a filter(unchecking something brings back things, checking something takes away only since well your adding capabilities to filter selection....I have pictures that can go with items too as well as a name & more information could be given directly with the method or clicking on the picture/item.
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Aug 8, 2009
i am currently doing a checkboxlist that is retrieved from database. is there any way where i can sort the checklist items in a way like those checked itmes will be displayed at the back then those that are not checked will be moved to the top.
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Jun 21, 2010
I am looking for the best way to dynamically arrange the location of labels (or any control for that matter) during runtime in a Windows Forms application using VB.net or C# in VS2008.I have a control that displays messages created by users.This control has a panel docked at the top which holds the header information for each message, called pnlHeader There are 8 labels: 4 of them display static descriptions (e.g. "To", "From", "Created Date", "Completed Date")And the other 4 display the relevant data for those descriptions. (Passed in during runtime from a MS SQL 2005 DB).Static labels are named: lblCreatedDateLbl and dynamic ones: lblCreatedDate The application runs on monitors of various size and resolution, therefor I would like for all of the labels to arrange themselves with equal spacing in pnlHeader, based on the current width of the panel.
At first, I had simply created the labels in the Designer and used Anchors (half of the lables were set to (Top, Left) and the other half to (Top, Right)). This solution worked for most scenarios, but did not always provide a consistent solution, so I decided to add the controls in code instead.
I thought it would be easier to work with the labels by creating a panel for each corresponding pair. So pnlCreatedDate would hold lblCreatedDateLbl and lblCreatedDate I wrote 2 methods: 1 to define each label and add it to the relevant panel: Sub AddLabels
and another to determine the width of the panels and set the correct location: Sub SetLoc Currently, AddLabels runs in the constructor after InitializeComponent() and SetLoc is called after the data has been passed in from the database.
I've tried making minor changes and tweaks to the width and size parameters, enabling and disabling AutoSize, but nothing returns a consistent solution, instead either all the description labels are misplaced, or do not appear at all or completely whack locations come up.
Private Sub AddLabels()
'Label Created By:'
lblCreatedByLbl.Location = New Point(0, 0)
[code]....
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Sep 26, 2011
Is it possible to take an Excel spreadsheet and move some columns around? Basically I receive spreadsheets that need to be re-formatted and have the columns shifted, some also need to be deleted. I have no idea how to go about this, is it even possible? It's always the same columns so it's not like it changes from file to file. I know it probably makes more sense to just create a macro but I thought I'd see what was involved in it anyway.
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Apr 7, 2011
I got a list of objects. Each object has a property called Z (integer).There will come a point during run-time I will want to re-arrange such objects in my list depending on their Z property. The objects with lower Z go first in the list, and the ones with higher will go last.I have thought of a couple things, like making a new List, then loop through each object in the original list as many times as the amount of objects such list has (so if it has 10 objects, I would loop 100 times), and each iteration will check the Z values. When a cycle is done (for every 10 iterations), I will remove the object with the lowest Z number in cycle and add it to the new List. And so on until the 100 iterations are done.
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Apr 4, 2010
I need to load and parse a text file and extract data between points on any given line. I can load the file, but it's the parsing that's giving me headaches. e.g. "Phoned Jim and arranged for John to attend site" First I need to search for "Phoned" because the line always starts with that, and then I need to extract "Jim and arranged for John"
[Code]....
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Sep 20, 2009
I'm working on a little program that uses a ListView box. I'd like to know if you can arrange the list by dragging the items within the ListView box. Example: I'd like to be able to just drag the bottom item to the top, or the middle item to the bottom, and so on. I guess I'm just wondering if I can move items around using the mouse by dragging them around within the ListView box.
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Jan 14, 2011
Issue : Is there any efficient way to arrange many independent Windows Forms in .Net? I have to display many forms at the same time in my application. It is a graphic charting application, and the number of forms depends of what the user wants, so it has to be dynamic. Is it possible to arrange it like with MDI Layout ?
Example: For example, if user chooses 12 output chart forms, I would like to have them auto-arranged 4x3 on the default screen. Ideally, User could even choose many target screens among the monitors he has.
Why not use MDI: I do NOT want MDI, since my application is multi-screen and I want to leave the opportunity to the user to put his external output chart windows scattered over different screens wherever he wants. But I would though like to have a default arrangement of output windows, without calculating manually screen and forms width/heights by dividing and stuff (Already doing this, it's a real pain). I would like to spare myself this ant-work and focus on business logic.
What I am looking for: If somebody knows an open source library or tool or cool method that could be great. By the way, I found a very useful and handy tool that could help people having the same needs I am formulating here: It is named AquaSnap, but unfortunately code is not Open Source. PS: Again, I Know how to do it "by hand" and assign monitors to forms. It is not the kind of answers I am looking for.
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Nov 16, 2009
I am working in vb2008. The auto sort for the treeview doesn't sort the way I need. For example:
1
10
11
2
3
etc
Is there some way to get the treeview autosort to recognize that 10 > 2 so that I get my nodes arranged as:
1
2
3
...
10
11
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Jun 18, 2009
I have these codes to load 2 MDI child forms from my menu...
Private Sub Form1ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Form1ToolStripMenuItem.Click
Dim f As New Form1
[code]....
but still nothing happens.
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Jan 31, 2010
how can i get the points which make a polygon from a region which was derived from the polygon's points?
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Sep 7, 2009
I have a line like this
18N694 P321 117461, 50374 50MIL;
XTAL_X1 P253 116711, 66524 39MIL;
HR_ICH_HUB_CLK66_R P1567 109761, 68424 39MIL;
P64H2_CLK66_R P2177 110161, 68424 39MIL;
CPLD_NET2 P1151 4711, 90424 75MIL;
V3_3_MGMT_PWR_RST# P3482 4711, 90024 100MIL;
From the above line I have to look the last word MIL. Then I need to arrange the line in ascending orders according to 30MIL,50MIL, 75MIL and 100MIL. Can I use IComparer? Because here I dont know how I can reach the word MIL and sort.
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Jan 3, 2012
I have a picture in my picturebox. In that picture, I need to draw a straight line between two points and calculate the length of that line (probably in pixels). Is there any suggestion how to do it?
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Dec 26, 2010
Sub five()
Dim i As Integer
For i = 1 To 14[code].....
I want the numbers that I was comparing similar numbers. I get equal numbers and ELSE giving all series.I like numbers 2 4 6 8 9 10
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Jun 19, 2011
In window textbox, I'd like to just allow 2 decimal points only. I could set text box only numeric but don't know how to limit 2 decimal points.[code]...
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Apr 14, 2012
I want two decimal points value. I have used this code
lblNo.Text = Math.Round(CDec(txtNo.Text + (txtNo.Text * 0.2)), 2).ToString()
If i have value as 1.32 then its ok but if i have value like 2.3 it shows 2.3 but i want value as 2.30 How can i get this value.
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