- PictureBox old = null;
- private void pictureBox2_Click(object sender, EventArgs e)
- {
- PictureBox p = (PictureBox)sender;
- if (p == old) return;
-
- if (old != null)
- {
- old.Width -= 10;
- old.Height -= 10;
- old.Location = new Point(old.Location.X + 5, old.Location.Y + 5);
- }
-
- old = p;
- p.Width += 10;
- p.Height += 10;
- p.Location = new Point(p.Location.X - 5, p.Location.Y - 5);
- p.BringToFront();
-
-
- }
-
- private void pictureBox2_Paint(object sender, PaintEventArgs e)
- {
- PictureBox p = (PictureBox)sender;
- if (p == old)
- {
- Pen pp = new Pen(Color.Red);
- e.Graphics.DrawRectangle(pp, e.ClipRectangle.X, e.ClipRectangle.Y, e.ClipRectangle.X + e.ClipRectangle.Width - 1, e.ClipRectangle.Y + e.ClipRectangle.Height - 1);
- }
- }
C# winform pictureBox如何突出显示,放大并给pictureBox边框变色