How to check button click history using if-else statements ? C#

Question

I have a total of 4 forms(Form1,form2,form3,form4).
3 buttons(Form 1 has 2(Button1,Button2),form 2 has 1(Button3))

My situation is as follows:

Both buttons in Form1 lead to form2 but with different label inputs. What I want to do is when my button 3 is clicked, and if else loop would determine what form the button leads to(form3,form4). If button1 was clicked, button 3 would lead to form3 else button3 would lead to form4.

im not sure where and what part of my code I should include while asking this question so I assume I should just put the button codes.

This is button1 code:

public void DIModuleButton_Click(object sender, System.EventArgs e)
{
    //  MessageBox.Show("TEST");
    alloDI();
    FormSerial frm = new FormSerial();
    frm.MyProperty = ALL;
    frm.Show();
}

public void alloDI()
{
    ALL = "DI";
}

this is button2 code:

public void DOModuleButton_Click(object sender, EventArgs e)
{
    alloDO();
    FormSerial frm = new FormSerial();
    frm.MyProperty = ALL;
    frm.Show();
}

public void alloDO()
{
    ALL = "DO";
}

you know that you can rename your buttons? in designer select a control, in properties change its name to something meaningful. it doesn't have to be button with numbers — M.kazem Akhgary
– M.kazem Akhgary, Commented Jan 4, 2017 at 9:11
@M.kazemAkhgary they all have their own names, i stated them as button1 and button2 in the questions for ease of understanding :) — Muhammed Nizam Bin Kamarudeen
– Muhammed Nizam Bin Kamarudeen, Commented Jan 4, 2017 at 9:14

Mong Zhu · Accepted Answer · 2017-01-04 09:22:01Z

1

A simple solution could be to use a Boolean flag ,since you have only to distinguish between 2 buttons.

Put a new bool property into your second form like you did already with MyProperty.

in Form2:

public bool Button1_pressed { get; set; }

In the Button click event you would set it accordingly:

public void DIModuleButton_Click(object sender, System.EventArgs e)
{
    //  MessageBox.Show("TEST");
    alloDI();
    FormSerial frm = new FormSerial();
    frm.MyProperty = ALL;
    frm.Button1_pressed = true;
    frm.Show();
}

in the second you would set it to false

and when your third button is pressen you can check this variable.

If you have more then 2 buttons, I would suggest to use an enum and a switch case to check the different cases:

The property would look like this:

public ButtonSource MyButton_Clicked { get; set; }

// here your enum
public enum ButtonSource
{
    button1,
    button2,
    button3,
    button4
}

and the switch case:

switch (MyButton_Clicked)
{
    case ButtonSource.button1:
        break;
    case ButtonSource.button2:
        break;
    case ButtonSource.button3:
        break;
    case ButtonSource.button4:
        break;
    default:
        break;
}

edited Jan 4, 2017 at 9:22

answered Jan 4, 2017 at 9:17

Mong Zhu

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5 Comments

Muhammed Nizam Bin Kamarudeen Over a year ago

would this still work if i needed to distinguish between 3 buttons instead of 2? button 1 would lead to form 3, button 2 would lead to form 4 and another additional button"button3"(which is in form 1) , lead to an aditional form5.

Mong Zhu Over a year ago

@MuhammedNizamBinKamarudeen unfortunately not, since bool can only be true of false, for more buttons I have written a different suggestion. Check my edit

Muhammed Nizam Bin Kamarudeen Over a year ago

ill try this out and get back to you! Thanks alot!

Muhammed Nizam Bin Kamarudeen Over a year ago

Hi there, im encountering some problems with the case, currently even tho i stated my cases, any button that i pressed form 1 would lead to case 1 only and not case 2 or 3. how do i pm you with my code?

Mong Zhu Over a year ago

@MuhammedNizamBinKamarudeen You could ask a new question and post your code, and we take a new look onto it. Did you choose the solution with the ENUM ? You could also share your code online and post the link in a comment.

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