C#.Net Events - C# Discussion Boards

24-Dec-04 12:51

can someone please examine my question below about the richTextBox html tag color coding. (richTextBox string colors)

Re: hilf mir!

Stefan Troschuetz24-Dec-04 22:15

Stefan Troschuetz

24-Dec-04 22:15

Maybe this article[^] from CodeProject can give you a starting point.

Merry Christmas Smile | :)

www.troschuetz.de

Internet in C#

| Muhammad Waqas Butt |24-Dec-04 11:54

24-Dec-04 11:54

[1] How to get information that we PC Connected with the internet or not in C#.Net

[2]How to get knowledge about either .Net Framework Version 1.1 is install orbot of machine in C#.net programming..

Thanks for Help....?

Muhammad Waqas Buttt

Re: Internet in C#

Member 158368224-Dec-04 20:59

Member 1583682

24-Dec-04 20:59

Answer of your second question

After u will set the path of visual studio.net

Write in your command prompt

c:/>csc

Remember i am also including ur command prompt

if compiler exists means ur dot net frame work also exists

Buddy Java ...........

Internet in C#

| Muhammad Waqas Butt |24-Dec-04 23:39

24-Dec-04 23:39

I want that i have a winform application or Setup file. When me application starts or setup start if .net framework 1.1 is not install then the programm automatic run the dotframework.exe file from the attached folder.

I think now better understand what i mean to say...

Muhammad Waqas Butt

Re: Internet in C#

Dennis C. Dietrich24-Dec-04 23:54

Dennis C. Dietrich

24-Dec-04 23:54

WaqasButt wrote:
I want that i have a winform application or Setup file. When me application starts or setup start if .net framework 1.1 is not install then the programm automatic run the dotframework.exe file from the attached folder.

A managed application won't start without the .NET Framework. For all other scenarios see Redistributing the .NET Framework 1.1[^].

Best regards
Dennis

C#.Net Events

| Muhammad Waqas Butt |24-Dec-04 11:12

24-Dec-04 11:12

How to call an event on other button click. Suppose we have a event on application close titlebar button. and i want to call same event on button click.

How?

Muhammad Waqas Butt

Re: C#.Net Events

Colin Angus Mackay24-Dec-04 13:12

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24-Dec-04 13:12

You should look at redesigning the code a little. You should not call one event handler from another, IMO.

You should create a method that performs the actions for the event, and then call that action from the two separate event handlers. That way your code is cleaner and if you ever decide to add functionality to one of the events but not the other you can change it more easily.

For example:

private void DoCloseAction()
{
    // Perform the actions for closing the form
}

private void SomeForm_Closed(object sender, EventArgs e)
{
    DoCloseAction();
}

private void CloseButton_Click(object sender, EventArgs e)
{
    DoCloseAction();
}

Does this help?

Re: C#.Net Events

| Muhammad Waqas Butt |24-Dec-04 23:31

24-Dec-04 23:31

Form Closing EVent
---------------
this.Closing += new
System.ComponentModel.CancelEventHandler(this.evtclosapp);

private void evtclosapp(object sender, System.ComponentModel.CancelEventArgs e)
{
DialogResult key = MessageBox.Show("Do you realy want to exit?",
"Muhammad Waqas Butt [Confirmation]",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
e.Cancel=(key == DialogResult.No);
}
I want to call it in this method
Buttom Click Event
------------------

private void evtappexit(object sender, System.EventArgs e)
{
//What code here....
}

Muhammad Waqas Butt

Re: C#.Net Events

Colin Angus Mackay25-Dec-04 13:31

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25-Dec-04 13:31

Sorry, I don't see what is different between this and the other response.

Also, what id evtappexit? The IDE chooses good names for these event handlers, you should let it do its job so that your code is more readable to others. The worst job in the world is to maintain code written by someone who has weird naming conventions (or no conventions at all)

C#.Net Events again

| Muhammad Waqas Butt |24-Dec-04 23:33

24-Dec-04 23:33

application close

Pyro Joe24-Dec-04 9:03

24-Dec-04 9:03

I have a messagebox show on the exit event of my app. it has the options of "OK", or "Cancel." How do I let the program keep going if they press cancel?

leppie24-Dec-04 9:48

leppie

24-Dec-04 9:48

override the OnClosing method and set CancelEventArgs.Cancel = true;

^{top secret
Download xacc-ide 0.0.3 now!
See some screenshots}

Pyro Joe24-Dec-04 10:53

24-Dec-04 10:53

how do you overried the OnClosing method? and where does CancelEventArgs.Cancel = true go? (I'm a newbie sorta)

Colin Angus Mackay24-Dec-04 13:06

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24-Dec-04 13:06

I think he meant you have to handle the Closing Event on the form. In the desiner click once on the form. Press F4 (or select the properties tab from the sidebar) then press the events button at the top of the properties side bar. You will see somewhere in the list events Closed and Closing (pay attention to the verb tense).

Closing occurs as the form is in the process of closing at this point you still have time to abort the action. You will find that the event arguments for this event include a property called Cancel, set that to true.

Does this help?

Pyro Joe24-Dec-04 13:18

24-Dec-04 13:18

I guess I don't quite understand how arguements work. (thanks for the help by the way!)

Colin Angus Mackay24-Dec-04 13:22

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24-Dec-04 13:22

An "Argument" is a synonym for a "parameter". Does that help? Or can you let me know what what it is that is confusing?

Pyro Joe24-Dec-04 13:42

24-Dec-04 13:42

so I have this "private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)".
{
//what goes here to keep it from closing?
//I've tried "Form1_Closing(true)"
//that didn't work
//so what's the correct way of doing this?
}

thanks so much,
Stephen

Colin Angus Mackay24-Dec-04 14:26

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24-Dec-04 14:26

You don't call this method directly. The event fires and the Framework will call the method. The important thing here is the parameter e, which is of type CancelEventArgs (See MSDN[^] for details. This has a Cancel property, which you can set to true to stop the form from closing.

Your code will look something like:

private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
    if (testToSeeIfClosingShouldBeCancelled)
    {
        e.Cancel = true;
    }
}

Does this help?

Pyro Joe24-Dec-04 15:03

24-Dec-04 15:03

that's it!!!!! thank you so much! I feel bad to ask for any more help than you have already given me. but, do you know how to make any text the resides within a richTextBox, within the < and > tags (including the tags themselves) change to, say, blue?
thanks again,
Stephen

richTextBox string colors

Kiran Satish25-Dec-04 18:05

Kiran Satish

25-Dec-04 18:05

Hi,
just use the if loop for 'OK' option and use (applicationname).close(); in it orelse do nothin...

the program will be keep running if u press 'cancel'

hope this helps.

Pavan.

Suman

Pyro Joe24-Dec-04 8:16