My question is why i cannot get the events of the controls to fire. My code is as follows:
private void textBox1_GotFocus(object sender, EventArgs e)
{
MessageBox.Show("WORKS");
}
Please excuse the messagebox as i ended up creating a new form just for testing purposes. My plan is when a user clicks onto a textbox it opens a new form as a dialog to select a date and then return to the original form. But i cannot get the event to fire.
After reading loads of info online including: http://msdn.microsoft.com/en-us/library/system.windows.forms.control.gotfocus%28v=vs.110%29.aspx
I cannot see how it is not firing. Any help would be greatly appreciated.
Im new to posting on forums so please go gentle with me.
Probably you didn't attach the event handler, try this on Form Load:
textBox1.GotFocus += textBox1_GotFocus;
If you don't see Form_Load event double click your form in the designer and write this code inside of it.
Related
So, I would double click here on my designer
and it should create me the code, but well it doesn't. And there is no value changed event in the events either.
So if anyone knows how to fix this, it would be nice. (I doubt it) so how would I get around this? How would I go on about creating the code myself that should be created when I double click on it?
Click the form or control that you want to create an event handler for.
In the Properties window(F4), click the Events button
In the list of available events, click the event that you want to create an event handler for.
In the box to the right of the event name, type the name of the handler and press ENTER.
Add the appropriate code to the event handler.
To create an event handler in the code editor
Switch to the code editor by using one of the following techniques:
Create a new method like:
private void buttonName_Click(object sender, EventArgs e) { ... }
In the file YourFormName.Designer.cs find your button and add
this.buttonName.Click += new System.EventHandler(this.buttonName_Click);
As the title suggests, I cannot get a single event to fire from an MDIChild application. No mouse event, no load, keypress, nothing at all.
private void btnSave_Click(object sender, EventArgs e)
{Console.WriteLine("Clicked");}
this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
Selected the event from the properties window, manually subscribed to the event and yet nothing at all.
As the comments suggest you could insert a break point to see if these events are being fired.
From the information in your question it looks like the issue is that you're calling
Console.WriteLine
From a Winforms application.If you want to see somethng appear you could try
MessageBox.Show("Clicked")
Console applications would show Console.WriteLine, but the fact that you have buttons suggests a WinForms app.
I'm having a Windows Mobile CE application written in C# with .Net CF.
Consider i have 2 forms in my application:
List of objects (has a listview)
Details page (should appear when something is selected in previous listview)
Currently i'm attaching callback to listview's SelectedIndexChanged event, and open a new form there.
New form opens okay (in the midde of the event callback), but when i close the form(this.Close()), then the list page isn't clickable first time, after the first click UI is interactable again.
Also the the ListViewItem clicked at first step doesn't get selected(blue background).
Here's a short (12s) video showing this problem: http://take.ms/urkme
As you see from the video, after coming back from details screen, refresh button doesn't click on the first click..
I'm showing the details form like so:
private void listView_SelectedIndexChanged(object sender, EventArgs e)
{
(new FormDetails()).ShowDialog();
}
Is there any way to show the details form after event finishes, or am i doing it completely wrong?
PS! Tried the same with a Button and it's click event, then all worked nicely..
As I know ListView's SelectedIndexChanged event fired twice on almost case not like Button's Click event which fired once, this maybe what cause that weird interaction. Maybe try changing to ItemSelectionChanged event as suggested in here.
Your problem is caused by using the SelectedIndexChanged event. When you select an item in your list you'll set the SelectedIndex, if you select the same item again the index won't be changed so you'll never call the event.
You could use the Click event to trigger the wanted response.
Here is an example:
private void listView1_Click(object sender, EventArgs e)
{
var firstSelectedItem = listView1.SelectedItems[0]; //This is your selected item.
//do stuff
}
When you use ShowDialog() you open a form in modal mode. All further processing of following code will not take place until the modal form is closed or returns a DialogResult.
Better use a modeless form using .Show().
private void listView_SelectedIndexChanged(object sender, EventArgs e)
{
(new FormDetails()).Show(); //will not stop processing of events in mainForm
}
If the new FormDetails is finished, it can use a simple Hide or Close to bring up the main form to foreground.
Remember that the main form is still there and will not wait for the FormDetails being closed (as it is a modeless dialog).
I'm creating form application on c# . I have dragged a textbox with some text in it.
private void textBox1_Click(object sender, EventArgs e)
{
}
Now what is the event for the onlick on textBox1 ?
I need to add this on that function textBox1.Clear();
P.S I searched everywhere. But all i can find is jquery and javascripts... No c#.
EDIT
I tried onfocus like below..but its not working
private void textBox1_OnFocus(object sender, EventArgs e)
{
MessageBox.Show("dsd");
}
If you want to do something when the control is clicked the handle the Click event, not the TextChanged event. Presumably you just double-clicked the control in the designer. That will only handle the default event. To handle other events, open the Properties window, click the Events button at the top and then double-click the appropriate event.
That said, is Click really appropriate? What if the user enters the TextBox using the Tab key? If what you actually want to do is act when the control gets focus then you should handle the Enter event.
You can handle OnFocus/GotGocus event in the TextBox, and clear the text in the textbox.
Hope this helps.
Im designing a dialerPad form using Windows form, there is a textbox which should only take numbers and not text, my problem is that when i add the code
private void txtDialedNumber_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
//Blaah Blaah Code;
}
but its not getting registered in the other DialPad.Designer.CS page. For example the fallowing code registers TextChangedEvent
this.txtDailedNumber.TextChanged += new System.EventHandler(this.txtDailedNumber_TextChanged);
Can anybody help me on this?
You should never change *.designer.cs files manually.
What you should be doing is opening the design view of your form, selecting the object, and then setting the event handler in the objects properties:
Alternatively, if you want to register event handler manually (instead of using the designer), just put it under the InitializeComponent() call in the constructor for your form.
I would try to simplify Greg's answer.
Select the text box > go to properties > events tab> KeyPress Event > select the method this.txtDailedNumber.KeyPress
You are done.