<VB.NET 2008>I created a MDI frame and I try to open a Winform by clicking menu.I do not want to allow opening same winform which is already opened by user.How do I check whether the winform is already opened or not?
View 5 RepliesPreventing a program opening twice?
View 4 RepliesI am reading file with text contents on it.sample dictionary.txt contents:
aa
abaca
abroad
apple
Snippet A:
Dim path as String = Server.MapPath("dictionary.txt");
Dim dictionary() as String = {}
Try
[code]....
Basically, I want to make sure that I can handle/prevent this error.Does Snippet B, solves the problem, if not is there other way so that I can prevent this error.BTW, this a web application and I am expecting multiple users.
I'm having a problem with the graphics portion of vb.net. As a school assignment, we are making "turtle graphics" applications. I have mine working perfectly, the problem that we are having (not even the teacher can fix it) is that when the window gets sent the command to be painted (ie minimized and maximized) the drawings in the picturebox I am using are completely erased. I am looking for a way to prevent this from happening. I have been trying to store the image as a bitmap in memory, which does not work. Is there another way to draw to a bitmap/image in memory and then output that to a picturebox?
View 2 RepliesI am making a program that edits my website with the input that I put in. But, it is requiring multiple forms (obviousily), but I don't know how to make it close the one I am in while opening the other. For example: I have a form that opens first that requires a Username and Password, so nobody can obviousily use it without knowing them. When I submit the correct username and password and go on with the editing, I need the login form to close. I do not know the coding for this part. Is it:
[Code]...
I am looking to call plink from a vb.net application in the background (without showing the black plink cmd screen) is it possible?
View 1 RepliesI'm using a webbrowser control , when i open a new window i cant seem to get the new window to navigate to a different webpage.[code]...
View 8 RepliesI'm using VB.net and WPF 4.I cannot seem to open a new window in WPF consistantly. It will work one time, and then the next time I execute the same script, it throws the following exceptionXAMLParseException occuredProvide value ystem.Windows.Baml2006.TypeConverterMarkupExtension' threw an exception.' Line number '4' and line position '208{Cannot evaluate expression because the code of the current method is optimized.}
View 1 Replieshow to open a DOS window from a VB.NET app pointing to my own path which I pass as a parameter. For ex: I want the DOS window to be opened with D:TestBedMyApp. All I want to know is how do I pass the path "D:TestBedMyApp" to the DOS window.
View 2 RepliesI need to create a xaml FlowDocument with a background worker and it must be shown in a new window. The problem is that i can not pass back the flowdocument to the original thread otherwise an exception is raised because the flowdocument belongs to the second thred or opening a new window in the background worker?
View 2 Repliesrecently im programming PHP for web based approach and i've been using ready made browser like firefox as my application. But now im switching it to custom browser with visual basic. I've created my own custom browser and it seems ok. but my question here is, how to open up a new browser (new VB browser window) as same as we open a new browser in firefox. I've been using html code that opens new window, but it open up explorer browser instead and it took very long time to open. I want it to open up as VB browser with my php codes inside. Is there any html or php code that could open new vb browser window? instead of explorer or firefox window.
View 9 RepliesHow can you stop IE from opening up in a WebBrowser control on a new window (target=_blank")? I've gotten the WebBrowser_NewWindow thig and tried e.Cancel and CancelEventArgs and none of these work. What do I do?
View 1 RepliesI am having an issue with using a VB 2008 web browser control to view local folders in Windows 7.I have an app that allows the user to browse local folders using a web browser control within a winform. This app has been working great with all of the users that currently have Win XP and Win Vista. However, with Win 7, every time a folder within the Web browser control is double clicked on (to navigate into its contents) Win 7 opens a new windows explorer window to display its contents. [code]....
View 1 RepliesI'm making a game in which you advance through the levels when you click some buttons, the way I'm doing it is "formname.show" and "me.hide" inside the button code, but the problem is, using this code, it shows somewhat of an unprofessional look because it opens a new window everytime I reach a new level, and it gets quite annoying also.
View 1 RepliesI'm opening a new window as a dialog box via code.If I click on another application (let's say outlook) and then click on my project again in the task bar I get my main window and my dialog box is in the background and I can't get it back. What's wrong and how can I fix this?
View 2 RepliesI might be going about this the wrong way, but I'm trying to create a form that will include a single button, for instance "Enter". When "Enter" is clicked, I want the form to then display the contents of form 2, which might include more buttons and/or a textbox, etc. I want to do all this without ever opening or closing a form.
View 3 RepliesHow to open a file from the harddrive that I just made through VB. I open/read a file > analysis it > Create new file and put info into new file > msgbox "Would you like to open the file you just created? [yes][No]" > if yes then open file to new window.
-Here is the Msgbox
If MsgBox("Your file has been created in the location of your choice," & _
" Would you like to open your file?", _
MsgBoxStyle.YesNo Or MsgBoxStyle.DefaultButton1, "Complete") = vbYes Then
Else
MessageBox.Show("Goodbye", "Complete")
End If
I wrote the following codes;
Private number As Integer
Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
WebBrowser1.Navigate("[URL]")
number = 0
End Sub
[Code] .....
But, also opens a popup window opened internet explorer. I also want to open the same WebBrowser
What can I do?
I have 2 radiobuttons as shown below:
<asp:RadioButton runat="server" GroupName="ebrochType" Text="Select Type 1" TextAlign="Right" ID="rbtSelect1" OnCheckedChanged="sel1" AutoPostBack="true" />
<asp:RadioButton runat="server" GroupName="ebrochType" Text="Select Type 2" TextAlign="Right" ID="rbtSelect2" OnCheckedChanged="sel2" AutoPostBack="true" />
When one of these is selected, I need to open a page in a new window with no menubar etc...
Is this possible in the code behind?
I tried this but it did not work (it just refreshed the page/updatepanel):
Sub sel1(sender As Object, e As EventArgs)
Page.ClientScript.RegisterStartupScript(Me.GetType(), "select1", "window.open('http://www.google.co.uk','','')", True)
I have been able to open a word document via a button click which holds some text programatically.But what i want to know is" Is it possible for me to open the said word document within a windows form so that it will be within the application itself but not somewhere else.i have been using this code show the word document but i want it within the form like having a picture in a picture box on a form. not somewhere outside the application.
[Code]...
I'm using a WebBrowser to print some HTML data, all works good except for the print preview called in the load completed event - It opens as a very small window in the top left, anything I can do to improve this?
Private Sub BtnPrint_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnPrint.Click
Dim webBrowserForPrinting As New WebBrowser()
AddHandler webBrowserForPrinting.DocumentCompleted, New WebBrowserDocumentCompletedEventHandler(AddressOf PrintDocument)
[Code] .....
Protected Sub btnToEmail(ByVal sender As Object, ByVal e As EventArgs) Handles ButtonToEmail.Click
Dim Outl As Object
Outl = CreateObject("Outlook.Application")
If Outl IsNot Nothing Then
[code]....
And below it said the person had problem where the message opened twice. He said changing omsg.Display(False) will display it once. This didnt work for me.
I was following this codeThis is my
Protected Sub btnToEmail(ByVal sender As Object, ByVal e As EventArgs) Handles ButtonToEmail.Click
Dim Outl As Object
[code]....
When I attempt to open the visual basic window in PowerPoint 2010 I get the following message:STDOLE2.TBL could not be registered. What causes this and how is this fixed?
View 4 RepliesIn my code behind, I need to open a little window that displays another aspx page. I have found many ways to do this in JavaScript, but haven't been able to find a way to do it using VB.Net. Looks like you can call window.open() in JavaScript. Is there a VB.Net version of this call, or is this something that has to be done client side?
View 2 RepliesI have a point in my .NET (VB) application at which the user is prompted to select zero to many documents to be printed, which are spawned off in separate new windowsThe list of documents selected is passed in from the previous page, pipe-delimited, as part of the querystring, which is then split to create a list of documents. My code iterates through this list, builds the new window's URL dynamically and then spawns the new window. For some reason I'm getting a maximum of two new pop-up windows, regardless of whether the user chose three or more, and the list is being populated fully and properly
View 1 Repliesi need assistance that will help me open word document in window form. i will be glad if someone can furnish me with sample code .
View 1 RepliesWithin my Visual Studio 2008 VB.Net project I am opening multiple forms after setting the form (that is opening) to be an mdichild of the main form. This works in really well in most of my forms except one. I am doing the exact same thing for all of them.
Basically I declare the new form:
Using frm As New frmName() With {.variableName = currentVariable}
frm.MdiParent = Me.MdiParent
frm.openForm()
End Using
Within the openForm subroutine in the form code I have:
Public Sub openForm()
InitializeDataSources()
... ...
Me.Show()
End Sub
I know this works because if I remove frm.MdiParent = Me.MdiParent in the main form and change Me.Show() to Me.ShowDialog() in the child form then it works perfectly. Right now (for only one form) it shows the form for only a second (looks like a flicker when staring at the program) and then closes it.
We are opening a Word document from our Visual Basic 2010 application using the Word object. When we run our application under Windows Server 2008 the document name is truncated in the main window title for the document. This is not the case when we run our application under Windows XP. Is there a way to prevent this truncation under Windows Server 2008?Mary Leathem
View 3 RepliesI am creating a webbrowser with Visual Basic, and I have finished everything but this: When I click on an external link, (I.E. On a photo, or on youtube) it opens up in a new IE window. I want it to open in my browser, not Internet Explorer.I have read everything I have found on this subject, but it is all for normal web browsers. I want to do this for a tabbed web browser, not one without tabs. Basicly, I want to use this code with my tabbed web browser that uses tab control.
Private Sub WebBrowser1_NewWindow(ByVal sender
As Object,
ByVal e As System.ComponentModel.CancelEventArgs)
Handles WebBrowser1.NewWindow
[code]....
convert the code to be used in a browser with tabcontrol? I tried, and it works with one that DOESN'T use it, but I want to use it with my browser with tabcontrol. And, I have read ALL of the ones previously given to other people.