C# 在面板中拖放后,如何保存TableLayoutPanel的新位置?
我正在使用winforms/c#在面板中尝试拖放tablelayoutpanel,tablelayoutpanel的拖放操作成功,但是如何使用按钮操作保存tablelayoutpanel的新位置?有什么解决办法吗C# 在面板中拖放后,如何保存TableLayoutPanel的新位置?,c#,.net,winforms,c#-4.0,drag-and-drop,C#,.net,Winforms,C# 4.0,Drag And Drop,我正在使用winforms/c#在面板中尝试拖放tablelayoutpanel,tablelayoutpanel的拖放操作成功,但是如何使用按钮操作保存tablelayoutpanel的新位置?有什么解决办法吗 private void Registration_Load(object sender, EventArgs e) { panel2.AllowDrop = true; tableLayoutPanel1.AllowDrop = true; pan
private void Registration_Load(object sender, EventArgs e)
{
panel2.AllowDrop = true;
tableLayoutPanel1.AllowDrop = true;
panel2.DragEnter += panel2_DragEnter;
panel2.DragDrop += panel2_DragDrop;
tableLayoutPanel1.MouseDown += tableLayoutPanel1_MouseDown;
}
private void panel2_DragEnter(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(TableLayoutPanel))) e.Effect = DragDropEffects.Move;
}
private void panel2_DragDrop(object sender, DragEventArgs e)
{
var tlp = (TableLayoutPanel)e.Data.GetData(typeof(TableLayoutPanel));
tlp.Location = panel2.PointToClient(new Point(e.X, e.Y));
tlp.Parent = panel2;
tlp.BringToFront();
}
private void tableLayoutPanel1_MouseDown(object sender, MouseEventArgs e)
{
tableLayoutPanel1.DoDragDrop(tableLayoutPanel1, DragDropEffects.Move);
}
我找到了解决问题的办法。其思想是将项目的位置保存在数据库中(location.xa,d location.Y),然后在加载页面中,我们用保存在数据库中的位置修复删除项目的位置