主要代碼

?public partial class Form1 : Form
??? {
??????? public Form1()
??????? {
??????????? InitializeComponent();
??????? }

??????? private void Form1_Paint(object sender, PaintEventArgs e)
??????? {
??????????? Type(this, 25, 0.1);
??????? }

??????? private void Type(Control sender, int p_1, double p_2)
??????? {
??????????? GraphicsPath oPath = new GraphicsPath();
??????????? oPath.AddClosedCurve(new Point[] {
??????????????? new Point(0, sender.Height / p_1),
??????????????? new Point(sender.Width / p_1, 0),
??????????????? new Point(sender.Width - sender.Width / p_1, 0),
??????????????? new Point(sender.Width, sender.Height / p_1),
??????????????? new Point(sender.Width, sender.Height - sender.Height / p_1),
??????????????? new Point(sender.Width - sender.Width / p_1, sender.Height),
??????????????? new Point(sender.Width / p_1, sender.Height),
??????????????? new Point(0, sender.Height - sender.Height / p_1) },
??????????????? (float)p_2); sender.Region = new Region(oPath);
??????? }

??????? private void Form1_Resize(object sender, EventArgs e)
??????? {
??????????? Type(this, 25, 0.1);
??????? }


??????? Point _Location;
??????? Boolean _Down = false;
??????? private void Form1_MouseDown(object sender, MouseEventArgs e)
??????? {
??????????? if (e.Button == MouseButtons.Left)
??????????? {
??????????????? _Location = new Point(e.X, e.Y);
??????????????? _Down = true;
??????????? }
??????? }

??????? private void Form1_MouseMove(object sender, MouseEventArgs e)
??????? {
??????????? if (e.Button == MouseButtons.Left && _Down == true)
??????????? {
??????????????? this.Left += e.X - _Location.X;
??????????????? this.Top += e.Y - _Location.Y;
??????????? }
??????? }

??????? private void Form1_MouseUp(object sender, MouseEventArgs e)
??????? {
??????????? _Down = false;
??????? }
??? }

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轉載于:https://www.cnblogs.com/FLWL/p/6247720.html

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