Lar*_*ech 24
为了演示,将两个面板放在一个窗体上的一个窗体和一个按钮上:
public Form1() {
InitializeComponent();
panel1.AllowDrop = true;
panel2.AllowDrop = true;
panel1.DragEnter += panel_DragEnter;
panel2.DragEnter += panel_DragEnter;
panel1.DragDrop += panel_DragDrop;
panel2.DragDrop += panel_DragDrop;
button1.MouseDown += button1_MouseDown;
}
void button1_MouseDown(object sender, MouseEventArgs e) {
button1.DoDragDrop(button1, DragDropEffects.Move);
}
void panel_DragEnter(object sender, DragEventArgs e) {
e.Effect = DragDropEffects.Move;
}
void panel_DragDrop(object sender, DragEventArgs e) {
((Button)e.Data.GetData(typeof(Button))).Parent = (Panel)sender;
}
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