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Simons Hood
Simons Hood

Total Post:70

Posted on    January-30-2014 11:16 PM

 C# C# 

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I have tried a bunch of different things, so obviously I am now stuck... I have created a form, it has a button on it - that when clicked creates a new form. I can click away and create multiple forms this way. What I would like and cannot get to work is to have the main form have a second button on it - that when clicked will change all of the background colors on the secondary forms.

Pravesh Singh

Total Post:411

Posted on    January-30-2014 11:36 PM

Hi Samuel,

In your parent form do something like this.

private event Action<Color> ChangeColor;

private void CreateAndShowForm()


    var form2 = new Form2();

    ChangeColor += form2.changeColor;

    /*do other stuff to show form*/


private void button1_Click(object sender, EventArgs e)




In the child forms

public void changeColor(Color obj)


    /*change background color*/


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