Getting WPF DataGrid Selection Direction?
Jan 20, 2011
I'm using SelectionMode as Extended (multi select) with WPF DataGrid.The SelectedIndex value always returns the first row that was selected, irrespective of the selection direction. For example, if I start at index 0 and end at 4, I can work with it fine. But if I start from 4 and go to 0, SelectedIndex returns 4 and I don't have a clue to add the number of selected cells or subtract.Is there a way to find the selection direction?
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Apr 4, 2009
I know how to set sorting direction on each column in datagrid programatically, but I wonder how to do the opposite: obtain the sorting direction for a particular column.
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Nov 20, 2011
I prefer that the first column shown above is not displayed. Is there any design/programmatic way of achieving this?
Edited :
Using this link [URL], I am able to remove the triangle from the selection column
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Nov 19, 2010
there is a datagrid in a form. i need, when a user hit tab in a particular cell, another form holding a list of records needed to be displayed, allowing the user to select one or more than one records, and after selection all those records are needed to get populated in the first datagrid.
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May 10, 2011
I am having trouble to make a form that displays the picture of the student which all his info is in a datagrid. I used the following
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' TODO: This line of code loads data into the 'BdSyngentaDataSet.Training' table. You can move, or remove it, as needed
[Code].....
It worked. But, when i click on the next student and go back to the previous, the picture is not there. When I stop the debugging and start again the picture is there but it stops displaying again after going back and forward.
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Sep 8, 2011
I'm having an issue wherein after I run a search filtering a datagrid, the corresponding datadetails will not update anymore when a new item is selected in the datagrid.I would like it so after clicking an item in the datagrid, the details update automatically.
[URL] The problem is, after running a search (or hitting 'show all') the label/details no longer change when selecting a new item in the datagrid.[URL]
Private Sub Sheet1BindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Me.Validate()
Me.Sheet1BindingSource.EndEdit()
[code]....
To clarify, the search itself filters the datagrid perfectly as intended....it just seems to stop the details from updating when new items are selected which is my problem.
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Oct 22, 2011
I am still having issues with the combo box. I have the correct query. I have four tables in MS Access. I need to create a form in Visual Basic that has a combo box and a datagrid. The selection from the combo box will display all relevant information about that person on the datagrid. For example, if I select John Doe (from the combo box) the datagrid should display: [Code] How do I add John Doe to the combo box and link this query to it, when upon being selected, it displays the result in the datagrid?
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Feb 27, 2009
I am trying have a data grid selection populate a form. I am new to this.Basically I have a connection persistance object and I would like to call that and call a stored procedure with the value of the selection. The datagrid is bound to an object.
[Code]...
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Dec 25, 2010
I have a listbox (20 Items) with multiselection and label that disply the selection and one button. So I wrote (it works fine)
[code]...
Now when I click on button the label show lets say Item2,Item5,Item10,How do I take off the last ","
somthing like that Item2,Item5,Item10
I used to do: Dim s As String = Trim(Label1.Text)Label1.Text = s.Substring(0, s.Length - 1) but it give me an error converting intiger to string
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Jun 16, 2009
osheet.Range("A1").Select
'The line below is the one I would like to know how should I write it in VB.NET:
osheet.Range(Selection, Selection.end(xlDown)).Select
[code]......
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Jan 5, 2012
im searching for code examps on how to search multi-websites from user input within a desktop apps textbox and return active links into a webbrowser within the app...this even possible?
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Aug 26, 2011
I am using this code to select a folder.how to do the same kind of thing selecting a file instead of an folder.
Private Sub PathButtonB_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PathButtonB.Click
Using FolderBrowserDialog As New FolderBrowserDialog
With FolderBrowserDialog
.Description = "Kies die Folder waar hierdie ResepteBoek die Kunswerke vir sy Resepte moet gaan soek."
.ShowNewFolderButton = False
[code]....
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Feb 8, 2012
Is that possible to change the RowHeaders in DGV from right to left. not by change the Direction of DGV from right to left means start from the last column not from the first colum.
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Mar 5, 2012
Anyway this is my code right now so I am not blank.Code removed.Not sure if it is very hard to understand but I am currently working on a project and what this code does is finds a blue ball on thewhole screen then moves the cursor position on the blue ball it just found.If it doesn't find it, will show a msgbox Quite simple.
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Sep 28, 2009
i've found this code on the web that allow me to draw a rectangle and keep the Image inside this. But there is a way to make draw this rectangle in all the direction and not only from left to right and top to bottom?
Public Class frmSS
Private Declare Auto Function BitBlt Lib "gdi32.dll" ( _
ByVal hdcDest As IntPtr, _
[code]......
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Jun 1, 2012
I want to paint the background of a form with gradient using the LinearGradientBrush; but I have troubles using degrees.Basically, I want using linear gradient in diagonal.
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Sep 1, 2009
of a tcp server/client project example so that I can make my won tcp chat or something.
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Apr 5, 2011
I have a project that needs to open a CSV file that is 3.7gb in size. It is data that was exported from a database (why on earth anyone would export it to ONE file, is beyond me)
Excel/Access can't open the file because it is more than 256 columns and greater than 65000+ rows. I was able to split the file into seperate files with 50,000 rows in each. I wan't to automate this and export only data by a specific state, and perhaps add it to a database or excel file, should the rows stay below the limit.
I found a project that splits the CSV file... perhaps I can just parse the data while splitting the file.
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Jul 30, 2009
Here is what I have: An excel sheet full of Companies, Contacts, and emails.
There are duplicates of all three. Here is what I need to do: Strip out all duplicates based on email.
Is there anyone that can point me in the right direction?
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Jun 13, 2012
my question is regarding working out the direction of the smallest angle between two vectors in 2D. I am making a game in C++ where one of the obstacles is a heat seeking missile launcher. I have it working by calculating the vector between the target and bullet, normalising the vector and then multiplying it by its speed. However, I am now coming back to this class to make it better. Instead of instantly locking onto the player I want it to only do so only when the bullets vector is within a certain angle (the angle between the bullets vector and the vector bulletloc->target). Otherwise I want it to slowly pan towards the target by a degrees thus giving the player enough space to avoid it. I have done all this (in a vb.net project so i could simplify the problem, work it out then re write in in C++). However the bullet always rotates clockwise towards the target even if the quickest route would be counter clockwise. So the problem is working out the direction to apply the rotation in so the smallest angle is covered. Here is my code so you can try and see what I am describing:
Function Rotate(ByVal a As Double, ByVal tp As Point, ByVal cp As Point, ByVal cv As Point)
'params a = angle, tp = target point, cp = current point, cv = current vector of bullet'
[Code]...
I had was to work out the bearing of the two vectors and if the difference is greater than 180 degrees, rotate clockwise otherwise rotate counter clockwise
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Dec 5, 2011
I used e.Graphics.DrawString(String,Font, X,Y) The point of the X start from the left
X----------String-------------------end of X[/b]
My question can I make the X Starting point from the Right.
X--------------------String-----------Start of X[/b]
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Oct 6, 2009
I was wondering if there was a way to get the marquee of a progress bar to change direction when the marquee gets to the end of the progress bar and vice versahere is a small diagram to show you what i mean[---][*--][-*-][--*][-*-][*--][---] = progress bar* = marquee
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Apr 18, 2012
was wondering if you could give me a hand and point me in right direction with the project i am creating. It is a toolkit They are 2 problems that i am having wondering if anybody knew the issues
1. The textbox is not having them 1 by 1 for example
service pack 2
service pack 3
2. The other problem is a bit more tricky, I have software on the hard-drive c:directorysp2
it has to be implemented into the toolkit anybody have any ideas how without a database if possible. I thought this could be done in the load form, pre-loads the software and then checks when comes to installing the software in the list.
[Code]...
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Jun 6, 2011
My character moves with the keyboard arrows but he keeps facing the screen, my question is:How can i make the character change direction (by using different sprite positions), like when I press the right keyboard arrow my character faces right and when I walk right my character's legs move?
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Aug 25, 2011
How do I achieve the below rounding?
0.012608376 > 0.015
2.1 > 2.5
2.4 > 2.5
[code].....
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May 10, 2010
I draw button vertically now i wanna set button text direction in vertically but there is no option.Is that possible ?
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May 21, 2009
Total noobie when it comes to VB, but I'm jumping in. I have about 15 years with Business Basic and see many similar things between VB and BBx so hopefully the learning curve will not be to steep.
Anyway the project I wish to complete is: Use portable computers running Windows CE 5.0 to scan bar coded labels to capture data collected during a physical inventory. The labels have 2 fields - bin location and item. My form will have a textbox for 3 items - bin location, item and quantity. Also, the form will have 2 radio buttons to accept or reject entry. I plan on writing the records to a simple text file to import in to the current application I am running.
I downloaded Microsoft Visual Basic Express 2008 and have done a little prodding around so far. I know the Express version does not support mobile device application development so that needs to be upgraded. My question is, can someone recommend a good book that would cover the areas I need to be concerned with?
Also, any good online resources?
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Oct 14, 2010
Trying to create a custom button to reside on the desktop at:
Me.Height = PictureBox1.Height
Me.Width = PictureBox1.Width
Me.Top = My.Computer.Screen.WorkingArea.Height - Me.Height
Me.Left = My.Computer.Screen.WorkingArea.Width - Me.Width
The trouble is all the arrows point to right, and the menus open variably depending on size.
Is there anyway to make the arrows point left and make all menus open to left in same direction?
Also, Is it possible to make the width of my form autoresize to the size of a label and the image box, while keeping the imagebox at the bottom right of the screen showing the populated label to the left?
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Nov 6, 2011
I have some lines drawn in many different directions (2D y 3D enviroments). Is there any way to draw text oriented along the direction of each of these lines? It was an easy task in former versions of Visual Basic, but now it looks like a very tough -almost impossible- mission.
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Jun 19, 2011
I don't know what exactly to call this. I am moving a picturebox, depending on the direction pressed. The thing is I have restrictions. I need the picture to move 32 pixels in whatever direction is pressed. The problem I want to remove is, if you hold a direction down, it goes much faster then I want it to.
Ultimately I would like to be able to hold down the key, have the image move slowly, and when I let go of the button I want it to stop moving. Again it HAS to move 32 pixels for each key press/hold.The best way I can describe it is like in a RPG on Nintendo when you're walking on the world map or town or something.
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