Run A Sub From A Form That Has Not Been Opened
Nov 29, 2009
If I need to run a sub from another form, I would normally do something like this:
DirectCast(Application.OpenForms("frmTest"), frmTest).PublicSub()
How would I run the sub if the user never opened the form? The form is an options form and it may not be opened by the user if they opt out of changing the default values. I don't want to change the location of the sub because the sub relies on a lot of info on that form.
I tried Google and playing around with intellisense, but I've come up with nothing so far.
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Mar 5, 2009
Iam creating an application. i have a main form it has 5 buttons i have created 5 more forms. my aim is to show a particular form for every button the form is opened in a new window i dont want to open in a new window it should be embed in the main form when i click anthor button it will show the related form in place of previous form
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Mar 5, 2009
Iam creating an application.i have a main form it has 5 buttons i have created 5 more forms.my aim is to show a particular form for every button the form is opened in a new window i dont want to open in a new window it should be embed in the main form when i click anthor button it will show the related form in place of previous form?
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Sep 6, 2010
I have question regarding how i can check if the form is opened or not ??
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May 31, 2009
I have 3 simple questions:
1. How to check if a form is opened?
[URL]
End If
2. How to play a sound (just a beep or something?)
3. When i have a string with keywords, separated by ","'s, how to convert this into a array? (F.A. Test1,Test2,Test3)
String.Split(",")
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Apr 19, 2010
I have a MainForm which has tab Control and several independent form. I open each Individual From in the tab of the main form. A "Close Tab" button on the MainFrom closes the current tab, its implementation is below.
This closes the current tab but what I also need is to dispose the From whose tab is closed but I am not sure how to get the instance of the form.'[code]...
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Mar 19, 2010
I have three forms (form1,form2,form3), form2 is embeded in the form1 and it opens from from1,Form3 is embeded in form1 too, but it opens from form2, I am passing data from form2 to form3 and form3 is declared such private , my problem is that I can not hide form3 from form1.[code]
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Sep 20, 2010
If I have a form open already that is not modal, can I turn it modal by the click of a button on that form.
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Apr 21, 2011
I'm trying to find and focus a opened form. e.g. My opened form title = "Basketball Days"..How I can find the "Basketball Days" form and focus?
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Dec 29, 2011
I have this form called gamePlay form. This form is showed by my loading form. When the gamePlay form is showed the loading form is closed. At the gameplay form i will be opening another form called congrats form. At congrats form I need to close the gamePlay form. How should I close the gameplay form from the congrats form. I tried creating an instance of the gamePlay form and obviously the gamePlay form won't close since the instance that opened gamePlay was not the one who closed it. I know it's a bit confusing.
[Code]...
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Jan 7, 2009
how can I check(with code) if an mdichild form is already opened or not. I have some mdichildforms that may open together. If an mdichild form is opened I want to dislpay the already opened form and not a new one.
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Jun 4, 2012
I have a master form which uses the SplitContainer control. The PANEL1 of the split carries the MenuStrip and Panel2 is used to call related external forms
Code (refer below): Function ResetSplitContainerPanel2 clears the Panel2 and loads the new form using the SetFormAttributesToLoadInPanel2
Issue: Although SettingSplitContainer.Panel2.Controls.Clear() clears the Panel2 but the form still maintains the form in the editable mode. If I call the same form again, I can see the values which I typed earlier
Output Expected: On Load of new form, the previous loaded form in PANEL2 should be disposed completely
Private Sub ResetSplitContainerPanel2()
SettingSplitContainer.Panel2.Controls.Clear()
End Sub
Private Function SetFormAttributesToLoadInPanel2(ByVal formNameToChange As Form) As Boolean
On Error GoTo errHandler
[Code] .....
ErrHandler:
MsgBox("Error Description: " & Err.Description, vbOKOnly, "Error")
SetFormAttributesToLoadInPanel2 = True
Exit Function
End Function
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Oct 21, 2011
I'm working through an example in a programming book and stumbling across a problem that I can't seem to figure out. The program in question is basically a very basic 'level viewer' for a tile based bitmap game (its a game creation book). The source code from the author was written for Visual Studio 2005, and I am using 2010. The source code imports fine and the program runs correctly.
I built the same program on my own, starting from scratch in VS2010. The program works like this: It opens a tile set palette (bitmap form), then uses an XML file to create a 'level'. The XML file indicates which tile goes where on the 'level'. The XML file is roughly 1.9MB and has roughly16,000 entries (the program creates a level that is 4096 x 4096 pixels using 32 x 32 pixel tiles).
Running and closing the program from source code runs exactly as expected. Running the program from my version runs exactly as expected. Closing it does not. It basically hangs up for about 2 minutes on close. (for reference every loads in about 3 seconds). I've determined that it is the XML file that is causing the problem by excluding the portion where it loads the XML. In that case it closes fine. If I cut it down to just a few records, my program closes fine as well. So it seems like the program is having trouble dumping the XML document at close.
I've tried to track down any differences between the source code and my code, and the only thing that I have found is that the References in mine are all using .NET version 4.0 and the references in the source are using mostly 2.0 and some 3.5 (System.Data.DataSetExtensions, System.XML.Ling.dll, and System.Core.dll)
The code for the entire form is:
Imports System.Xml
Public Class Form1
Public Structure tilemapStruct
[Code].....
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Oct 4, 2011
Do you mean, "opens a file" or "is opened with a file"?
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Jun 29, 2011
On my vb.net 2010 form the textbox which has tab stop 0 does get the focus when the form is opened but the cursor is not blinking. I know textbox 0 has the focus because if you start typing right after the form opens the characters show there. The cursor property of textbox 0 is set to Ibeam. This is my first-ever VB 2010 form. My 2008 forms work fine and my workaround is to do the project in 2008.
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Oct 27, 2011
How to programatically find the Currently opened form's Name
/Active Forms Name
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Mar 22, 2010
I have a series of MDI child forms I page through to present learning material, all of which are borderless and framed within a main interface form. Each form has its FormBorderStyle set to None, and the form's Text property is blank. I am loading each fom on demand, rather than setting up a stack and pushing one to the front, as this is simpler for me with my limited programming experience.The problem is that as each form is opened/shown, the border briefly flashes in the centre of the ParentForm before docking in the top left corner as programmed. I have even tried coding the Form's Load event to make sure the border is set to None, as shown below:[code]This makes sure there is not a brief delay between the old form closing and the new one showing.
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Sep 27, 2007
Every once in awhile when I double click on a form in design mode (Windows Forms Application) that contains a tab control, all of the controls on the tab control disappear. I have to reopen the form to get them all back. In addition to this, the column order of my columns on any datagrid inside a tab control get rearranged when this happens. Is this a known bug and if so is there a hot fix or patch?
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Nov 7, 2011
Several years ago, I created a nifty data entry form that is called from a main menu. Due to recent user requirements, I had to create another form that is very similar to the data entry form. To prevent duplicate coding and testing, I created a class to inherit the existing data entry form. The issue is when I leave the class and return to a sub menu, the class is opening the main menu and the sub menu. How do I only return to the sub menu without the main menu appearing? Here is a snippet of my code. You'll have to scroll down to the very bottom to see the section that is causing issues. BTW, I coded the application in such a way that only one form should be open at a time.
frmMenu (main menu). This is nothing more than a bunch of buttons that allows the user to perform various functions.If user clicks button #1, open the data entry form:
Dim objFrm As New frmDataEntry
bolOkToCloseForm = True
Me.Close() '--- close the menu screen
[code]....
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Aug 21, 2010
I would like to know if its possible to show up a form in front of all other opened apps . Exemple : myapp.exe (is under of all those application) internet explorer , photoshop , windows live messenger. On event (for exemple on new message recived) myapp.exe will show up all over other forms.
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May 15, 2012
This always happens to me in Visual Basic. Whenever I save a project from one day and open it again using that same VB version the next day, I can never see the form design. But if I click on Debug, I can see the Form design and only use it as if it were a program.
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Dec 13, 2008
I am having form called Test1 which contains button( Button1). When I press the button the message box is getting displaying,but at the same time I am accessing the Form Test1. It should not be the case, because before closing the message box the control should not allow to focus the Test1. But in my case the control is allowing to focus the Test1(form) before closing the message box.
Sample code.
If myReader.Read() Then
MsgBox("Matched record exist.", MsgBoxStyle.Information, "Data Tool")
Else
[Code].....
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Jun 20, 2012
I am currently working on a program that has several buttons in it lined up. Each button goes to different applications (.exe programs). The program I am making is suppose to be a fullscreen program and won't let you see any of Windows when it's running.
Therefore I want to make a "back" button that always stays on top of any application and when I push it it will take me back to my WindowsForm (startpage of the program).I am also wondering if you can make it so all .exe programs only can run ONCE. So if I press one of the buttons saying "open notepad" I want it to work so it can't open Notepad once again making it two notepads open. Just go back to the first Notepad opened.
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Nov 23, 2010
I am writting a program that aims at filling up bookmarks of a template with data retrieved from a sql server db. The form opens a Word document but I can't control the position and dimensions of the word document. It seems that I can't manage to overwrite MS Word default settings for position and dimensions. I want to be able to display the word document close to the form.Here is the code that I have tried and doesn't work:
Dim
wawidth
As
Integer
[code]....
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Aug 25, 2009
I using Microsof Visual Basic 2008 Express Edition. I need to create a form like: 2 buttons are open and save existing .xls file which each generation can choose a different.2 textbox that can be entered on the column
and last button to when choose two columns, to find duplicates values and mark different color same values. Is it possible?
At the moment Excel file opens, but the comparison does not require the introduction of the columns
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Mar 8, 2009
I developed a VB Winforms application in VS2010 Pro on my Win7 x64 desktop computer. I also have VS2010 loaded on my Win7 x64 laptop and when I open the same solution the application's form controls are shifted out of alignment and appear slightly stretched horizontally. The VS IDE settings are identical on both computers. Any idea why the solution looks perfect in the IDE when on my desktop, but when opened in the IDE on my laptop, all the controls shift out of alignment horizontally
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Dec 20, 2010
Public Class ExtendedDateTimePicker Inherits DateTimePicker
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Apr 1, 2012
I have a project the was written by someone else. I am very new to VB. I am trying to make changes the the project. When I first opened it it went through the conversion with no errors. The report has not errors however when I try to open the project I get the error "vbproj cannot be opened because this project type (.vbproj) is not supported by this version of the application". I am using VB2008 Express and have read all the other responses to the issue but Ijust do not know waht to do.
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Mar 10, 2010
Check If Folder Is Opened?
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May 1, 2012
I've got an application which I want to only have 1 open.How would I make it check if the application is already open and only open if it isn't? I've had the idea of using 2 forms, one of which is the proper application and the other which just checks if its running then opens the other form.I would imagine it would check if there's more than 1 of the process name running and if there is close all others?
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