C# Change the icon on the top left of winform

Question

I'm trying to change the top left corner icon of the winform from the default one to my icon:

I've tried it by going to the Properties of my project, and go into Application, the set my own icon it in "Icon and Manifest".

But after that, it still show the same old default icon. Is there something I done wrong?

Answer 1

Your form has properties associated with it (in design mode, have the focus on your form and click F4). One of the properties is Icon and this is what you're looking for.

The icon you are referring to, in Application Properties, is the icon that will be used in the .EXE generated file.

Answer 2

You can use the icon setted for application using the following code:

    public MainForm()
    {
        InitializeComponent();
        Icon = Icon.ExtractAssociatedIcon(System.Reflection.Assembly.GetExecutingAssembly().Location);
    }