本帖最後由 csharp 於 2021-6-25 19:15 編輯
- public partial class Form1 : Form
- {
- int oldX;
- int oldY;
- bool isdown;
- public Form1()
- {
- InitializeComponent();
- PictureBox[] pb = new PictureBox[9];
- for (int i = 0; i < 9; i++) pb[i] = new PictureBox();
-
- for (int i = 0; i < 9; i++)
- {
- pb[i].Location = new System.Drawing.Point(50 + i %3* 99, i/3* 99);
- pb[i].Size = new Size(99, 99);
- pb[i].Image = Image.FromFile("d:\\img\\" + (i + 1) + ".jpg");
- Controls.Add(pb[i]);
- }
- for (int i = 0; i < 9; i++)
- {
- pb[i ].MouseDown += new MouseEventHandler(pb_mousedown);
- pb[i ].MouseMove += new MouseEventHandler(pb_mousemove);
- pb[i].MouseUp += new MouseEventHandler(pb_mouseup);
- }
- }
-
-
- void pb_mousedown(object sender, MouseEventArgs e)
- {
- PictureBox pb = (PictureBox)sender;
- isdown = true;
- oldX = e.X;
- oldY = e.Y;
- }
- void pb_mousemove(object sender, MouseEventArgs e)
- {
- PictureBox pb = (PictureBox)sender;
- if (isdown)
- {
- pb.Top += e.Y - oldY;
- pb.Left += e.X - oldX;
- }
- }
- void pb_mouseup(object sender, MouseEventArgs e)
- {
- isdown = false;
- }
-
- }
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