Click Works But DoubleClick Doesn't?
Jun 29, 2010
I have a simple form that has some buttons on it that work fine when the code is for single click. I want to make it so you have to double click to fire the sub. I tried just adding Double to the code but the sub wont fire then.
This works:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
But this doesnt??
Private Sub Button1_DoubleClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.DoubleClick
Why? do I need to add something else?
I looked in the properties of the button but didnt see anything.
The problem is that if you click on the button the sub fires, but then if you hit return it fires again. If I could take the focus off the button that would be fine to.
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Oct 14, 2009
See
Public Class Form1
Dim sql As String
Dim conn As New OleDb.OleDbConnection
Dim da As New OleDb.OleDbDataAdapter
[CODE]...
The problem, The INSERT statement works fine in the form load but not in the button click event?
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Jun 17, 2009
Within my program, I'd like to allow the user to hold the CTRL key down while double-clicking with the mouse. Specifically, within the treeview control, I'd like to allow the user to be able to CTRL-DoubleClick but the DoubleClick event has the EventArgs parameter that doesn't provide any keyboard data.I'm guessing that this is possible, but I'm just drawing a blank on how to implement it.
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Jun 26, 2010
this is my code:
Dim WB As WebBrowser
WB = GetPage("http://speed.travian.ir/a2b.php?z=" + VillageID.ToString + "&c=" + Type.ToString + "&" + AttackParams)
[code].....
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Nov 2, 2009
1. Retrieving data from an .mdb
2. Displaying the table(s) in a datagridview
3. Populating an array of structures with the table data
4. Searching the array of structures for a member value equal to a string
5. Displaying the matching array elements in a listbox.
[code] Any suggestions? Am I missing something simple? Should I be using a Multidimensional array instead of a structure?
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Oct 26, 2011
While Loop Works then doesn't?
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Dec 10, 2010
we have a VB6 program and we now make them w7/office2010 ready.
In one part of the program we open the SelectNamesDialog (Adressbook) from Outlook (is separatly from the user startet) to choise one recipent from the list.
Under WinXp the Adressbook automaticly appears in the foreground. In w7 nothing happens. I try AppActivate and by the first call
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Jun 21, 2011
I'm attempting to create an app which uses a vendor-supplied Web Service. They provided sample code to show how to work with the Web Service, but all the code is in C#.. not a huge deal.I opened one of their demo projects and it compiles fine, works perfectly.
So, I open up MY project, drop in the converted code and... wait for it... ERROR!Here is the working C# code that IS working:
C#
private void DoSomethingWithTheAlarm(G4T.enAlarmAction action) { XML_AlarmClearRequest[] ClearRequest = new XML_AlarmClearRequest[lstAlarms.SelectedItems.Count]; int idx = 0; foreach (ListViewItem lvItem in lstAlarms.SelectedItems) { ClearRequest[idx] = new XML_AlarmClearRequest();
[code]....
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Jun 3, 2011
And here I am with a new problem in my program When I debug it everything works fine (the buttons, progressbars, pinger, spambot,When I compile it and run the Executable file, it works too.When I run the Executable file on another computer (tried on 4 different ones) the program stops working and
I get this error: {$ exception. "Failed to create the form For more information, see Exception.InnerException error: File or assembly \." Microsoft.VisualBasic.PowerPacks, Version = 9.0.0.0, Culture = neutral, PublicKeyToken = b03f5f7f11d50a3a \ "or one of its dependencies not found. The system can not find the file specified .."} System.Exception {System.InvalidOperationException}
[Code]...
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Jan 19, 2012
I'm on Windows Vista Home Premium, using Visual Express 2010, working on a visual basic program.
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Jan 11, 2011
I'm stuck on a simple problem maybe you can help!
Why does this work
vb Private Function calcArea() As Decimal
Dim height As Decimal
Dim width As Decimal
' assigns user input from the two text boxes to the two variables
Decimal.TryParse(heightTextBox.Text, height)
Decimal.TryParse(widthTextBox.Text, width)
[Code]...
All I did is change the multiply symbol to a divide symbol and now when I try to divide the two Decimal variables Visual Studio says, "Option strict on disallows conversions from 'Decimal' to 'Long'." Not sure where this conversion is happening.I know I'm missing something simple (once again) so if anyone has any advice please let me know.
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Mar 31, 2009
I am developing an application using Visual Basic .NET 2005. The application works fine in the PC which Im using to develop it. I make the setup.exe I install the application in other PC and the application doesnt work but it I replace the app.exe with the one in my debug folder it will work.
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Mar 27, 2012
I have a UserControl that has a ProgressBar on it. The purpose of the UserControl is to be able to show the progress % on the ProgressBar as text. To do this it uses the MyBase.Paint event. To make it work the ProgressBar is made invisible and the UserControl is 'painted' with an image of the ProgressBar and then the text is painted on top. The UserControl has a Value property that is passed through to the ProgressBar.Value property.
I use this UserControl in two places, on a Splash form (not a standard Splash Screen) and also on the main form of the application. It works on the Splash form but not on the main form - by work I mean that changes to the ProgressBar.Value property cause the ProgressBar to show its progress. The cause appears to be that in the Splash form case the MyBase.Paint event is called as a consequence of calling Me.Refresh in the Set procedure of the UserControl.Value property, in the main form case it isn't,
i.e. Me.Refresh isn't causing MyBase.Paint to run.
The main form has two BackgroundWorker components. The first gets called (RunWorkerAsync) from Form_Load after the Splash form has been shown. The BackgroundWorker.ProgressChanged event updates the Value property of the UserControl and it works exactly as intended. The second gets called as a result of a user starting an operation and again the BackgroundWorker.ProgressChanged event updates the Value property of the UserControl but MyBase.Paint doesn't run so the ProgressBar remains resolutely static.
Any ideas why it won't respond to Me.Refresh in one case but does in the other? Happy to make any of the code avaialble but didn't want to fllod the first post with reams of it. Here's what I think are the most relevant code sections. First the UserControl
[Code]...
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Oct 12, 2010
I have defined a class which inherits PictureBox-component.In this class I have a mouseClick and mouseDoubleClick events overridden.On mouseClick the image is selected. Now if user click it again, it is delesected.The mouseDoubleClick event starts the video which this picture is pointing to.Now the problem is that when user doubleclicks the pictureBox it actually calls the mouseClick-event twice (select-deselect) and does not call the mouseDoubleClick-event. How can I define it so that if mouseclicks are done as doubleclicks then doubleClick-event is called, not the click event twice?
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May 15, 2012
I have one tool which we developed on visual studio 2010. there are basically two parts of my project, one is UI part which i wrote in VB and algorithm part which is in C++ on back end. When we compile C++ part it creates a .dll which is used by my front end VB program.
Now my problem is little weird since i am compiling and deploying this tool on windows xp machine but some of the users are using windows 7 64 bit machines and after running the program for about 5-10 minutes, it crashes on windows 7 with following error
Not enough storage is available to process this command and when i view details of that error, i get the following description.
See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
System.ComponentModel.
************** Loaded Assemblies **************
mscorlib
[Code].....
i am completely clue less for this error since this program works fine on xp but doesn't work on windows 7.
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Jul 31, 2010
I've read thru Iceplug's tutorial on control arrays and got it working. I tried to add a new event by basically copying his click event code and calling it a doubleclick event. I used the proper addhandler and assigned the correct name to my sub. I have the click event changing the background color to blue and the doubleclick event changing the background color to green. The background color does not change to green. Why?
Heres the tutorial with my new code encased in asterisks ...
Code:
Imports System
Imports System.Windows.Forms
Public Class form1
[CODE]...
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Sep 23, 2010
IN one application, I need do the following: When user press one button, show a combo box with ptoducts kinds, and the application create a new record in the database. Next, and automatically, I wanna another form to be opened, with all the complementary values of this products, for the operator complete the values.My problem is: The form cant be the same, cause each kind of product show one different form Open the detail form, how can I know what record ID was created??
In later use, the products will show in DGV and double click works. But at the product open, I wanna this form apeear automatically.
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Sep 4, 2009
i have a form with a webbrowser in it, now below is the code i use to generate my context menu, however it only works on the form NOT over the web browser, that has its own right click menu. is there a way to disable the browsers right click and have my own work over the whole form? [Code]
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Jun 8, 2012
I have a timer in winforms that looks for a specific OK dialog on my server (it clicks OK on a third party application that runs out of memory, then restarts it -- there is no other work around). So, when I remote desktop the server and the remote desktop window is active (the actual remote desktop window is active, not the actual window that has the OK that has to be clicked. I can have a window that has nothing to do with the OK, and it works), the program works as it should. It finds the window of the OK, then clicks the OK button fine. When I am not in remote destop, or when the remote desktop window is not active (or selecte) it finds the window and finds the OK button, but cannot click the OK button.
[Code]...
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Jul 29, 2009
From the exception it throws, it cannot find a critical database file called cakecreationdb.accdb. I am at my wits end over this problem and have been up all night trying to solve it. I am quickly running out of time to do so.
The copy to output is set at copy if newer. I have also tried copy always and still get the same result.
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Mar 17, 2009
i have a form where a button doesn't work if I click it by webbrowser; if i click it by explorer or other browser it works properly, this is the html code of form:
<input type="button" class="buttonblack120" name="new" value="new sim" onClick="newsim();">
input type="button" class="buttonblack120" name="calculate" value="calculate" onClick="startcalculate();">
<input type="button" class="buttonblack120" id="prtintS" name="printS" value="print" onClick="printsim();">
<input type="button" class="buttonblack120" name="exit" value="exit" ONCLICK="window.close();">
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Apr 28, 2012
This is the code I am working with...
[Code]...
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Mar 28, 2010
this code during button add click event
Private Sub cmdAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdAdd.Click
[code].....
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Jun 13, 2011
When btnSetup is clicked, 7 rows with 24 colored predefined rectangles are displayed in the pbColors picture box as as intended. The controls on the first page of a tab control. I would like this display to remain intact when I change tab pages but when I return to this tab page the picture box is cleared. If I click the button, for some reason the group of colors is displayed twice, one after the other, instead of once as intended.
[Code]....
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Jan 9, 2012
I have the following
[Code]...
I want to make it so it doesn't preform a button click if you press CTRL and Enter.
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Dec 20, 2011
I'm using the MouseDown to create objects, they are used within MouseMove and they are killed within MouseUp Event. Now I want to use the Doubleclick Event to build in some shortcuts. My problem is that the MouseUp routine is called sometimes before the DoubleClick routine. I do need the MouseDown Event before starting the DoubleClick code, however sometimes the MouseUp event is triggered which is killing the needed objects.
Is it possible to get the DoubleClick-event routine always without the MouseUp routine?
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Sep 13, 2011
How do I set the all data in the datagridview goes into the textbox?For Example Fields name.LastName the data will be shown into lastname.text , FirstName will be shown into the firstname.text and also the other fields into the sql database.And how also to can not type into the datagridview or will be disable to type in every cells.
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Aug 26, 2011
We're trying to design a toolbar to use as an addon in another program. we want to set one of the buttons so that when u single click it, the image on the screen is blanked out. And when you double click the same button, it blanks everything except the selected image. However the DoubleClick event doesnt seem to be working at all.
[code]...
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Jul 21, 2009
I am setting up a GUI and at one place I have a group box (say GroupBox1) containing several controls (say CheckBox1, Button1 and ComboBox1). Now for some specific reasons, I want to be able to disable the controls within the GroupBox1 by double clicking in the group box, and then to re-enable them again by double clicking the disabled GroupBox1. I do not want to enable/disable the controls separately, because I need to duplicate this operation for GroupBox2 to GroupBox10...I've sort of gotten the disable part right with the following
Private Sub GroupBox1_DblClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter
GroupBox1.Enabled = Not GroupBox1.Enabled
End Sub
But it does not work very smoothly and I am also not able to re-enable it. I suspect that an disabled object (such as the GroupBox) does not register clicks.
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Nov 8, 2011
I've working with this control some days ago, and I need help about this.. I need get the X/Y values when do a doubleclick over the zedcontrol.. how I do this??
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