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public Form1()
{
InitializeComponent();
bool enlarged = false;
button1.MouseEnter += delegate
{
if (!enlarged)
{
Rectangle rect = button1.Bounds;
rect.Inflate(2, 2);
button1.Bounds = rect;
enlarged = true;
}
};
button1.MouseLeave += delegate
{
if (enlarged)
{
Rectangle rect = button1.Bounds;
rect.Inflate(-2, -2);
button1.Bounds = rect;
enlarged = false;
}
};