Open new form when messagebox ok is clicked

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How can i make it so when OK is pressed, it will open Form1

Form1 f1 = new Form1();
this.Hide();
f1.ShowDialog()

What I have tried:

I've tried looking for youtube videos but that didn't help me.

Posted 15-Dec-19 3:34am

Member 14690150

Updated 15-Dec-19 5:24am

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Richard MacCutchan 15-Dec-19 12:13pm

"I've tried looking for youtube videos but that didn't help me."
Don't waste your time on YouTube. Study the documentation on MSDN, it is far more useful.

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Richard MacCutchan · Answer 1 · 2019-12-15T03:41:00

You are creating new instances of Form1 in each of your button_click methods which is wrong. Create a Form1 variable at the class level, initialised to null, so there is only ever one instance. You can then create that anywhere if it is not already in existence.

And your code would be much easier to understand if you used proper names for your forms and buttons instead of the default Form1, Form2, Button1, Button2, Button3 etc.

Maciej Los · Answer 2 · 2019-12-15T05:25:00

In addition to Richard's MacCutchan answer...
Replace this:

if(MessageBox.Show("Hello", "Inject", MessageBoxButtons.OK, MessageBoxIcon.None)==DialogResult.Yes)

with:

C#

if(MessageBox.Show("Hello", "Inject", MessageBoxButtons.OK, MessageBoxIcon.Information)==DialogResult.OK)
{
    f1 = new Form1();
    //further instructions
}

due to the fact that:
DialogResult.Yes returns 6
DialogResult.OK returns 1,
So, your if condition will never get true.

DialogResult Enum (System.Windows.Forms) | Microsoft Docs[^]

Open new form when messagebox ok is clicked

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