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Type: Posts; User: Mars729
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I need to enter in information twice into a cell before the database is updated, or put another way it only accepts every second edit I enter. How can this be fixed? I surrounded the column Date...
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My apologies. I didn't give enough to diagnose the error, the issue occurs later.
I have determined that the menu malfunctions only whenever you try to use the menu again before all the photos...
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This is normal menu behavior. If you click on a folder in any submenu and click on it, the menu stays open, while if you click on a menu item that is a command, the menu disappears (unless a...
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175949
This is an example screen shot. I have two menus. The top one is conventional. The bottom one is the unusual one. Below that is a datagrid that is still in the initial stages of...
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I have a menu with a non-standard interface. It functions much like a dialogue. In it you can select what folders, taxaonomic level, date, place and other criteria that determines what thumbnails...
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I thought so. I just didn't know how to make a copy without using a loop.
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Public Sub Item_Loaded(ByVal sender As Object, e As RoutedEventArgs)
Dim SQL As String = "", Result As New List(Of List(Of Object)), DBM As New...
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I attempted to use a BackgroundWorker by putting the UI updating in the ProgressChanged event. That helped by not freezing the UI, but not all the pictures showed up and if I tried to load a new set...
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I attempted to use a BackgroundWorker by putting the UI updating in the ProgressChanged event. That helped by not freezing the UI, but not all the pictures showed up and if I tried to load a new set...
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Public Sub DirItem_PreviewMouseLeftButtonUp(sender As Object, e As MouseButtonEventArgs)
If sender.DirName <> e.Source.DirName Then Exit Sub
Dim DBM As New...
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Thanks for your help. It works.
- Brent
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The line "iNat.Values.Add(CurrentRow)" produces an "Object reference not set to an instance of an object" error. iNat.Values was nothing"
This is after iNat is initialized. The variable...
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Thanks, your code made me find the solution. I just needed to find the correct place to put the "New" keyword. Using auto-implemented properties (without get and set statements) makes the code so...
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Public class PropertiesList
Dim _Name As String = ""
Dim _Value As New List (of string)
Dim _DSName As String = ""
Dim _Overwrite As Boolean = false
Property Name As String
Get
...
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OK, I'll cook up a simple validation engine. With a few modifications this engine could also provide some simple programming logic for scripting.
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If you are curious, I am making something a bit like you are describing. It uses a zigzag(tm) (a concept from Ted Nelson) as a multidimension mind-map-like database. Instead of XAML code, a...
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Is there a function or method in Visual Basic that would allow Microsoft Access-like syntax to declare a validation rule?
An possible example would be:
if isvalid(sampledate, ">=#01/01/2007# AND...
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Thanks for your help. That's all I need for now.
As far as the OpenXanadu demo goes, I am not sure what used to program it, only that it works in a web browser. In VB, of course, a richtextbox...
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I want the transparency for displaying transclusions. Transclusions are visual links to identical items in different contexts that usually cross the borders of windows.
Here are two examples. I...
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I am working on a large application and I am doing it my own spare time (hour/day), mostly in the winter. Call me crazy for doing this, but even if I fail it will be a better use of my time than...
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Just before I turned off my computer last night I found an example to emulate and modify.
Public Class TransparentTextBox '
..Inherits TextBox
..Public Sub New()...
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I am investigating how far I can go with transparency. I would like to see graphical lines not being covered up by controls. For example, if I make a TextBox transparent, sure it will look odd by...
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Thanks. This was not the case in VB6. An inconvenience, but given all that VB 2010+ gives, well worth the loss of this capability.
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Whenever I am paused in debug mode I minimize Visual Basic 2010 Express and I am left with an image of the debugger where the form should be. Is it possible to refresh the form while paused?
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I found the solution -- I put an exception in my virus checker for Visual Basic. Which is good because I was deleting a unneeded control every time the error occurred. Eventually I would have been...
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I try to add a SplitContainer to my project and I get this error:
Unable to copy file "obj\x86\Debug\Naturalist.exe" to "bin\Debug\Naturalist.exe". Could not find file...
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Thanks. I am using the zigzag data structure invented by Ted Nelson instead of a conventional relational database and using my own binary format to implement it. My software will include a view of...
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I have an object variable that I want to store in a binary file. If I give the object variable a number, it will store it without a header. If it is a short string it will store a one-byte header...
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If X is Label1, then what happens to the new label? I guessing that X is still a new label control but is essentially a mirror -- two controls that acts as one. Essentially redundant, useless and...
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I guess my problem then is how to create a new "independent" instance of a control.
Let's say I make two controls, Label1 and Label2 inside Form1. I then set their tag property to Label1 and...
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Is it possible to make a new instance of a control and get all the properties that were set at design time (including any that were changed at run time)? Afterwards, you would change at run-time the...
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I have had a closer look at the ContextMenuStrip control, and it is more powerful and useful than I thought. Overall for this project the effort for porting the code will be worth it. Not much can...
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A toolstrip is very powerful control. But it doesn't have the cascading power of a context menu strip nor the ability to have an icon placed beside a menu item with an optional shortcut key.
...
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Solved. I had code in the main form's activate event. I added the boolean variable DontClose, eliminated the min button in FPopup and modified my code as follows.
[In F form]
Private Sub...
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I have three forms in my program. One form is designed to be a popup form. When the user click that X in the upper right hand corner I want just this form to close, not the whole program. How is...
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Callbyname doesn't seem work with objects that are control arrays. Oh well, I won't be able to use it.
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Hmmm, CallByName only works for objects not UDTs. So for UDTs the only option is With...EndWith.
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I agree, that line is obtuse and strange. However it supports a subroutine that if used enough in the right places it might improve readability in a small way. I am exploring options to increase...
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Col(1)(Index).Top works if the control array is taken away from the definition in the collection i.e. col.Add F.MBIcon instead of col.Add F.MBIcon(ControlIndex)
It occurred to last night that I...
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