[2008] Linear Gauge Control?
Feb 28, 2012
Basically a vertical progress bar with a user settable scale configurable either vertically or horizontally. Fancier looking the better.There's a lot of nice ones in commercial packages, but they come bundled with 80 other controls and generally have a price tag of several hundreds to thousands of dollars - which is a hard sell to a manager when you only need one control from the bundle.My other option is to embark on writing my own; something I don't look forward to and don't expect to look nearly as slick or "3d" as some of the things out there.
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Nov 9, 2009
I am using VBasic 2008. I want to put the some value or check box and want to display from 0% to 100% using gauge meter. So how can I do to display the value in gauge meter
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Apr 1, 2011
I've already got the progress bar working but i was wondering how to use the dotnetbar gauge instead. All i need to know is how to set the minimum and maximum value. Then set the value.
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Mar 21, 2010
i want to make a temperature gauge using scroll bar (refer to Attachments) it has label to show the text of current temperature and if you are noticed the are also two labels in blue and red which indicates coolness or hotness.the problem is when the temperature reached certain point for example 50 Celsius,the color label is not working.i mean initially i set red label,visible = true thus make blue label visible and it indicates the temperature is still cool but when scroll it to 50 Celsius,the red label is not shown up and blue label is still there.also not working when i decrease the temperature less than 50 Celsius.
here is the coding
Public Class Form1
Inherits System.Windows.Forms.Form
Private Sub vsbCount_Change(ByVal newScrollValue As Integer)
[Code].....
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Oct 25, 2011
I want to use VB for linear programming. Can any one tell me the best approach or give sample codes.
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Mar 12, 2009
I want to simulate a gauge that will show a movement of the needle from point to point over a list of valuse (like- 10, 40, 60, 50, 70, 90, 40...)I use a background image of a clock and an image of a needle now I start to rotate my needle .i found code that rotate the image from one point to another what I need is to know how to use a list of points not only two. this is the code I use:
DoubleAnimation da = new DoubleAnimation(10, 40, new Duration(TimeSpan.FromSeconds(3)));
rt = new RotateTransform();
image1.RenderTransform = rt;[code]....
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Apr 15, 2011
I'm looking for a reference showing how to implement linear regression on data in VB2005
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Jan 4, 2011
I have data that are numbers both on x and y and have charted them using mschart 4.0
I need to add a trend line/linear regression to a bunch of points I have. The data on x and y are both numbers (no dates anywhere), for instance (33.4,45.1) would be a point.
In the samples I downloaded from the first link I found a linear regression sample in the code files forecasting.aspx(.cs), and I found this ms documentation
I have added a linear regression line to the chart with the following line (once all other data it setup etc)
Chart1.DataManipulator.FinancialFormula(FinancialFormula.Forecasting, parameters, "Input:Y", "Forecasting:Y,Range:Y,Range:Y2");
The problem with both of these is that they assume dates are used. I went ahead and implemented it anyway, but my regression line starts at around the x value of 20, and will go to an x value of the max x value of one of the points (almost 70) if I give the parameter Period a value of 700. But since it doesn't start at x value 0 I don't trust it is correct.
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Aug 5, 2011
I have a form that scales a background image. The form is painted 30 times a second (using Invalidate so it redraws the whole background image). When the window size is less than half my screen (1366x768), Task Manager reports that the program's CPU usage is 00. If I increase this a few pixels in width, all of a sudden the CPU usage jumps up to 50+. I can get up to about 606000 pixels in the client rectangle before it starts exhibiting this behavior
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Feb 26, 2011
i think the title says all what needs to be said, so i wanna make my mouse follow a random path from A to B, without straight lines..
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Mar 20, 2006
OverviewThe fastest way to read or write Xml documents in a linear fashion is to use the XmlTextReader and XmlTextWriter classes in the System.Xml namespace. If read- or write-only forward-only access is too limiting, however, the System.Xml.XmlDocument class provides the ability to easily modify existing documents (adding, removing, or modifying elements and / or attributes) and leverages the powerful search capabilities of XPath.
Getting StartedThe XmlDocument can load Xml from a string in memory, from a URL, or from a file path. There are two methods that enable this functionality: Load and LoadXml. To load a document from either a URL or file path, use the Load method. Following is an example of using the LoadXml method to load an Xml document from memory. (NOTE: we will be working with this particular document throughout this article)
[Code]...
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Oct 28, 2009
I need a VB.NET program to solve linear system with any number of equations
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Jun 8, 2012
I have a stored procedure that takes in 2 parameters and returns an integer value. I would like this value to be the value for a gauge chart on the page. The 2 parameters will change depending on the attributes of the selected item. Is there a simple way to pass the one value from the stored procedure to the chart to display? This will be embedded in an asp.net application (vb) - so depending on the previously selected item, the values for the parameters and result will change.
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Jun 1, 2012
I try to achieve to paint a form with a gradient backcolor and overlap an image with transparency. This is possible? I want using a tile background image with transparent background and paint the background with a custom linear gradient.
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Jun 6, 2010
I would like to know how to program a "gas gauge" if you will. I know the MPG of our shuttle and the mileage for each shuttle run but I am not sure how to make the gas gauge work. I am using a progress bar for that.
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Dec 26, 2009
The following code works perfectly to allow moving a control on a form at run-time. However, when AutoScroll is set to True on Form1, and you drag Button1 past the right and/or bottom bounds of the form, it goes haywire. I really need someway to smoothing control the autoscroll so that as you scroll the control off the form, the scrollbars smoothly appear.
[Code]...
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Nov 10, 2010
I'm writing some VB2008 code to control four 7-seg LEDs I bought from Velleman. They came with some example code in VB 5.0, and with instructions telling me to input 5 bytes at a time in the format Chr$() & Chr$() & etc. for the rest of the 5 bytes. When I try to do this using VB2008, it rejects the $ sign, so I've tried it using the Chr() format, which VB2008 allows. However, it doesn't work. Is Chr() the new version of Chr$() or are they different entities? In sending data to the LEDs, I'm using LiveComPort.WriteLine() as my command. (My serial port is called LiveComPort) I also tried it with LiveComPort.Write() asthe command. I know that my serial port and the LEDs are working, because they respond to the demo program provided by Velleman.
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Mar 22, 2010
1) How can I make the text in RTB control to change without clicking on it (RTB control) again? I notice that the event handler is mousedown so its only occurs whenever the users clicks on the controls. But I really have no idea how to do that. Anyone can guide me how to do that???
2) How to make the RTB's Back Color to transparent??? Cause it is not supported. Or is it I use the wrong control???
[Code]...
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Aug 11, 2010
me if it's possible to have a control (e.g. a picturebox) in one panel of the splitcontainer control, and then be able to drag the control in runtime to the other panel?
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Nov 4, 2009
I'm making an editor similar to Notepad++ and other editors. I'm trying to use DigitalRune TextEditor Control and Docking Control. My Problem is I can't manage to use the sample because it's in C#.
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Mar 12, 2010
Does VS 2008 have a control availible like the toolbox control from within the studio? I've looked through the list in the toolbox for choose items and am not finding it, but since I don't know what it would be called I might be over looking it.
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Dec 3, 2010
I am programmatically creating a Tabcontrol and adding Tabpages to it. To each Tabpage, I am adding 2 Pictureboxes (Testpicture1 and Testpicture2). The amount of Tabpages depend on the amount of frames in my .tif file. So, each picturebox holds an image (frame) from my .tif file sequentially from˜0 to totalpages. All good so far. I can click each tab and correct images are displayed in correct order. The problem is that when I drag a control (picturebox) and try to add it to Testpictue1 or Testpicture2 it does not work correctly. At first I thought the it didn't work at all, but when I checked each Tabpage I have found that all pictureboxes got added (draped) to my last Tabpage, in this case Tabpage4. So this is puzzling. Even though each Tabpage holds 2 Pictureboxes and they display the correct images yet the picturebox is added to the Testpictue1 or Testpicture2 of the last created Tabpage? [code]
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Apr 26, 2011
i am Working vb.net08 and Access Database.Present i am working in Databinding controls on the form.My Problem is whn i change the data in the Combobox then the Corresponding data should be change in all controls which i binded is not comming.Only one time it binding the values to all controls, that is also at first time if i click on the Dropdown.If i change or select second value , then the other control values are not changing why? i coded in "Dropdown" and "SelectedIndexChanged" events as below: Plz tell me where i did mistake My Code is as Below:
Private Sub cmbEventname_DropDown(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmbEventname.DropDown
Dim strSQL As String = "SELECT Distinct EventName FROM tblEventsHeld"
Dim da As New OleDbDataAdapter(strSQL, cn)
Dim ds As DataSet = New DataSet
[Code]...
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Mar 17, 2011
I created Dataentry forms. In the form there are so many controls like DropDowns and textboxes. I am using Access database. Now I enterd the few records into the controls, and these records are saved into the Database. But now if i enter the any data which i recently saved in the database to the textbox or any other control then the remaining controls should be display the related data.
For example i have 4 controls in my form one is dropdown and 3 are textboxes. If i select the data in the dropdown then the remaining 3 textboxes shows the related data. How can i dispaly the corresponding data to the other controls?
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Dec 23, 2011
I want to build a flip clock for my vb 2008 form.But I cant seem to get it done.So I searched and found a flip clock control for not Vb but silverlight.Here is the link
[URL]
Is there a way I can use this clock in my vb form.
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Mar 8, 2011
i wanna ask if its possible to add another control to a control... let say that i have a toolstrip and every time i will click an item it will add a picturebox in a workspace as a control, and after clicking and adding one control it will add another control as a layer of the first control??
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Dec 29, 2010
Here's my situation: I have a control with motion graphics (for the sake of simplicity, a 'video player' control) in my project. Think of a PictureBox with constantly-changing images. In front of this will sit a second control (such as a second PictureBox of the same dimensions). The topmost PictureBox will be drawn to in its Paint event.
I need to draw very few elements, and the bottom control is updated much more frequently than I need for this drawing. So these elements are drawn to the topmost control. Think of a news broadcast, where they have live video in the background, with a news channel logo, news ticker, and sometimes gradient visible in front.
I'm trying to create that 'foreground' control, and the closest I believe I have gotten so far is the following:
Imports System.Drawing
Imports System.Drawing.Imaging
Imports System.Drawing.Drawing2D
[CODE]...
The 'Opacity' property in the code above is a sort of "scaling factor." The image drawn to the top control may, in different parts of the image, have any alpha value from full transparent to a full 255. This 'Opacity' property is applied to the entire image being drawn, scaling the alpha values of each pixel.
See the following pictures for description:
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Jul 26, 2011
when I add a Control to the List(Of Control) what gets added to the List? Is it the Control or reference to the Control.I have a collection of controls (picture boxes representing notes,comments, icons, etc.), which can be drag and drop into other picture boxes holding read only images. Those controls are never permamently added to those images, they can be move or dispose as needed. I need to save those controls to a file and retrieve it later, however when retrieved, they must be place onto the same location in the image. Saving just the image is not the option, I also need to save all the control attributes.
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Oct 13, 2011
I have created simple windows form control with some events.
This form has button which opens Form with some settings.
Now, I need to raise the events inside the control when I click some buttons within the settings form ..
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Mar 25, 2011
I want to set control position relative to other control so when i make one control hide then other control move up like this.
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