I never did custom events and would like to make a sub procedure execute via a custom event from another form that does not have the custom event defined. For example I would like to raise the event from my ok button in one form and have the event in the other form execute. How to set this up using code examples?
View 2 RepliesI have two forms. Form A and Form B. Form A has a datagrid that is populated from a SQL Database Table query. When a button is pressed Form B is launched that allows you to add a record to the database table. I need for the datagrid to be refreshed and show the newly added record when I close form B and go back to the parent.
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Could i call the child form events like (closing ,load, activate,closed) .
View 6 RepliesHow do I execute below from other form? How do I code it? I need to see "Hello1".
Public Class frmMain
Private Sub frmMain_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
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I have one form called invoiice1.vb In the load event how can i call another form ? I also call some values of thatt form
View 2 RepliesI have a sub declared inside a module which accepts form as argument.
sub display(fname as form)
What I need is to call the sub form the load event of a form. I tried the following.
display(me)
But cant access the controls of the form inside the sub.
sub display(fname as form)
fname. 'no controls of the form are listed?????????????
end sub
Going around in circles here. I have an Exit button (Barbuttonitem6) on my form and would like the FormClosing event to handle this. The code works fine for the FormClosing event but when i try to call the Formclosing event from Barbuttonitem6, it does not work (The form does not close if i choose Yes to save or No)
Public Sub BarButtonItem6_ItemClick(ByVal sender As System.Object, ByVal e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem6.ItemClick
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I have a windows form and I created couple user controls, these UserControls are added on the form dynamically, everything works normally,
Just wondering where I should put the coding, should it be inside Form Load Event or after InitializeComponent() call?
I have a custom class which basically manages the program settings.
In it's New() event, I'm performing a check to see whether a value stored in My.Settings is the same as the default value (I made sure the value wasn't!), if not then it will perform a RaiseEvent ValueChanged().
On my form, I have an instance of the class declared "Private Withevents ProgramSettings as New clsProgramSettings", I also have a handler "Private Sub DoSomething() Handles ProgramSettings.ValueChanged" declared.
When I run the program the form gets loaded, the instance is created, the RaiseEvent is called, but the handler is not receiving the event?
I tried "Private Withevents ProgramSettings as clsProgramSettings", then creating the instance in the Form.Load(), but still no success!?
Is there something I'm doing wrong, or is there a problem with the IDE? I'm using VS 2010.
I'm having an issue where my main form isn't updating even though I see the event fire off. Let me explain the situation and share some of my code which I'm sure will be horrible since I'm an amateur. I created a class to take in the settings for running a process in the background. I add some custom events in that class so I could use that in my form instead of a timer.
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My application's binary serialization was working well up to today (this is not a released app yet - still in development). I have a "Project" class that is the top-level class of a hierarchy of other classes related to its function. And before you think it, yes, all of those classes are marked as serializable. Infact, they all were being serialized before today.
I have one event on the Project class that assists in informing when the project's save status has changed (i.e. new, modified, saved). This event was added today along with some events on the other classes that filter up to the Project class (the project needs to be told when its objects have been modified). I unfortunately added all of this at the same time so I can't provide any incremental details as to when it stopped working, but when I try to save the project through my binary formatter it tells me that my main form is not marked as serializable. Well, yeah... of course it isn't! it shouldn't need to be because there is no member of my classes that even mentions the form. But for some reason handling the Project's event on the form triggers this error.
Serializing the form is not a solution. Neither is not being able to handle my Project events. If I comment out the handler it works fine -- and I don't even have to remove the WithEvents keyword on my form's Project variable. Now that I write that I'm speculating that it may have to do with the event being raised as a result of the serialization (occurs when the save button is clicked).
Problem that you may have when dealing with two objects that are raising some events. Here, to make it obvious, I am closing the form, but the problem can be experienced with any other 2 classes event. First, what is the problem !
Let suppose that by pressing a button, you want to raise a custom event, then execute a method and then close the form
In that case, you may use a code similar to this
Event BeepIt()
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
RaiseEvent BeepIt()
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In VB6 we had a code inside textBox_MouseUp to call textBox_KeyUp(-1, 0) and the signature of KeyUp was
Private Sub textBox_KeyUp(ByRef KeyCode As Short, ByRef Shift As Short) Handles textBox.KeyUp
Now when I migrate to .NET I changed the KeyUp event to Private Sub textBox_KeyUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox.KeyUp
How can I do this call textBox_KeyUp(-1,0) now from textBox_MouseUp event?
how can i call a treenode mouse click event from any other key down event?
View 3 Repliesi want to call a button click event in any other event like this form key down event.if e.control andalso e.keycode=keys.S then savebuttonclick event should be called end if
View 5 RepliesHow I can call a line of orders from event to another event,
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
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I have two forms: main and sub
I need to access the even procedures like textchanged,lostfoucs,changeindex of sub form so that it can be used in main form all controls placed in sub form are included in main form and hold same name and values as of sub form how should i call it from main form to access all procedure of sub form
am trying to call a very lengthy set of code from under the DoubleClick event of one control, from within the Click event of another control....without having to copy and paste the desired VERY length code from the first control into the second.
View 3 RepliesI have a VB .NET 2010 application. I added a C# project to my solution. I tried to call the form called 'main'. However, I could not figure out a way to do that. What is the best way to do that? I Goggled, and did not find anything. Actually I noticed that my Developer converted everything to VB .NET.
View 5 RepliesPerhaps a weird title, but here's what I'm trying to do. I have a few Tabs and each Tab has an RTB. I'm searching for a word and when the final word is found it selects the first tab again << and here is where the code needs to continue. It should call the same event.
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I wanna make a program that asks the user to enter a dll file path/name & a function in that dll file with args & gets the results
View 6 RepliesI am using VB.NET for Windows applications. What is the difference between Load event,Activate event and Enter event in the Form and in which order the above event is executed.
View 2 RepliesI am trying to call cetralized class function ONservervalidate for a custom validator, So I don't have to write it on each and every page.
View 1 RepliesI'm trying to make a slider, or a custom scroll bar, whatever you want to call it, in VB 2010. But I want it to act as an usual scroll bar. I simply can't make it stay inside my form, it just moves around. I have a photo of my code and my designer down the thread. What should I add? I tried to make it stay inside Panel1.
View 3 RepliesI'm making a button via images, which changes appearance as the user uses the mouse. For example, when the user clicks on the button, the image changes into the button being "pushed in." My problem is that when the user presses the button and releases the mouse I want it to go back to the image when the user is just hovering over the button. This only happens if the cursor is move off the button and then moved back onto it. I'm trying to call the event/sub where the mousehover event is used in order to get it to change back to the desired image. How do I call this event and/or sub in order for it to work?
View 2 RepliesI have a C# class library. In that class I have declared an event as a property
private static event MouseEventHandler s_MouseClick;
public static event MouseEventHandler MouseClick
{
add
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This is how I would do it in C#. But how do I do it in VB?
I have a piece of code:
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Public Event Closing(sender As Object, e As System.EventArgs)' is an event, and cannot be called directly. Use a 'RaiseEvent' statement to raise an event.
I have a menu item in a program that I'm working on called "mnuFileSave" The Click event goes through several "housekeeping" functions and calls the correct "Save" function.
Another menu item performs a function and depending on the results may want to call the "mnuFileSave".
I have tried RaiseEvents mnuFileSave.Click and get the error "mnuFileSave' is not an event of 'The_Entertainment_Collection.frmCollectionBook'
I have tried Call mnuFileSave.Click an get the error "Public Event Click(sender As Object, e As System.EventArgs)' is an event, and cannot be called directly. Use a 'RaiseEvent' statement to raise an event."
I have a datagridview and a toolbar. If the user doubleclicks a row in the dgv, it shows the details of the selected row. I have a button on the toolbar too, it is for the same raison (also for showing details). But I don't want to duplicate the code and I don't want to make an evenet, and call this event, when the user clicks on the toolbar button or doubleclicks on the dgv.I want to call the datagridviewcellmousedoubleclick event, if the user clicks on the toolbar button.This doesn't work: dgvszamlatukor_CellMouseDoubleClick(sender, e), because e is a simply system.eventargs, but I need a datagridviewcellmousedoubleclick eventargs.
View 2 RepliesI develop a website and I have this problem:The registered users on the website should put a (date & time) field, and when the current date will be the same of this date a function (that I developed) should be called.
View 4 Replies