In the WindowsForms after double click on label, for example, I'm getting a code:
private void label1_Click(object sender, EventArgs e)
{
}
And if I'll delete it, it will be an error on the form's window, which want me to return the code. How can I delete it?
Open designer, select label1 and remove Click event handler in label's events list (Properties window).
On the Designer, locate the label1, then look at the Properties for that label and remove the event handler defined for the OnClick event. You can then delete the code.
Picture says a thousand words:
You have to remove the event handler either from the form designer.cs or from the property tab
First you need to remove it from the Properties window in the designer.
You have to remove the method name from the Events tab in the Properties window. After that it will either be automatically removed or you can delete it without issue.
You might also have to go into the automatically generated design code file and take out the part that adds that method as an event handler for your label.
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);
Okay, so here's my problem: Whenever I create a button, textbox, listbox, then double-click to view the source code:
private void quitToolStripMenuItem_Click(object sender, EventArgs e)
{
}
After this has been auto-created by Visual Studio, it won't allow me to change it later.
So when I go into properties and want to change "quitToolStripMenuItem" (in the Name property field) to "mnuQuit," it will show up in the properties window properly, and will change the name (for all intents and purposes), but when I double-click to view source - it still shows the 'quitToolStrip..." name.
If I rename it to
private void mnuQuit_Click(object sender, EventArgs e)
It will throw a big hissy fit, and then my form design will be gone and a (basically) 404 message will appear instead of the form.
How can I do it without deleting the item and then recreating?
If you want to rename the event handler method, go to the designer, select the object (the menu item in your case), and in the properties window click the events button (it looks like a lightning bolt), and rename the event handler method from there.
In C#, the event handler is linked to the object that raise the event by a delegate, so the name of the method does not matter. You can have a button called Jack and event handler called Jill_Click that will actually handle the resize event of Jack. If you open the designer code you will see something like:
this.Jack.Resize += new System.EventHandler(this.Jill_Click);
Click on the Events (lightning) icon at the top of the Properties window and delete the text in the Click field.
Just refactor the method name? This will update it on the .designer.cs, in your designer and of course in your code.
Select the method name, right click, Refactor → Rename.
I have created the button_click event of my button and also this
private void btnDergo_KeyPress(object sender, KeyPressEventArgs e)
{
}
by accident.. Now that i have that code on my Form, how do i remove it?
I've tried by just deleting the it as a simple text, but it doesn't work.. Is there any way i can remove that?
Try to remove it in the property/event window, then it should be removed everywhere. You can also search for the eventhandler in the ...design.cs file and delete it there.
To remove an event, you should delete it from the Form.Designer.cs.
1. First, go to the visual studio solution explorer and click here
2. Click here to open the Form.Designer.cs
3. Expand Windows Form Designer generated code by clicking here
4. Delete the line that adds the event handler
I have a textbox in Form and i want to detect when the text has changed but the code I have found is giving me no joy.
I am probably missing something in the proporties or something you have to define before.
Here is my code:
private void tbxparkingTimesS1_TextChanged(Object sender, EventArgs e)
{
MessageBox.Show("You are in the ToolStripItem.TextChanged event.");
}
Thanks for any help with this trivial problem.
To wire the TextChanged event to a particular method inside your code do the following
Click on the TextBox inside your form
Open the properties windows (press F4 or menu View -> Property Window )
Select the event page (lightning icon)
Double click on the TextChanged property line
Insert your code inside the template build for you by Visual Studio
Have you assigned the event handler to the textbox?
Normally this will be done "behind the scenes" by Visual Studio - with the result being an additional line of code in your .designer file.
Something like:
this.tbxparkingTimesS1.TextChanged += new System.EventHandler(tbxparkingTimesS1_TextChanged);
(It['s been a while since I've done webforms - so that might be slightly off)
Double Click on Text box it will generate text change event for you.
private void tbxparkingTimesS1_TextChanged(object sender, EventArgs e)
{
// implement your code here.
}
When you double click VS will create event handler in your designer.cs file as bellow
this.tbxparkingTimesS1.TextChanged += new System.EventHandler(this.tbxparkingTimesS1_TextChanged);
You can do the same by using property window events or create event on code behind.
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.