Have you ever seen a file with a pretty icon you wanted to use but you couldn't get a similar one in your program?
If yes, try this method >> Icon.ExtractAssociatedIcon here is the code I wrote that works fine, you will also find the sample attached

Icon ico;

public Form1()
{
InitializeComponent();
ico = this.Icon;
}

private void btnGetIcon_Click(object sender, EventArgs e)
{
if(dlgOpen.ShowDialog() == DialogResult.OK)
{
ico = Icon.ExtractAssociatedIcon(dlgOpen.FileName);
this.Icon = ico;
pnlIcon.Invalidate();
}
}

private void pnlIcon_Paint(object sender, PaintEventArgs e)
{
e.Graphics.DrawIcon(ico, pnlIcon.ClientRectangle);
} 

Download: IconExctractor.zip

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