winform 可拖動的自定義Label控制元件
阿新 • • 發佈：2019-01-27
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraEditors;
namespace IJPrinterSoftware
{
public partial class LabelModule : LabelControl
{
privatebool IsMouseDown =
private Point MousePrePosition;
privatevoid init()
{
InitializeComponent();
this.MouseDown += new MouseEventHandler(LabelModule_MouseDown);
this.MouseUp += new MouseEventHandler(LabelModule_MouseUp);
this.MouseMove+=new MouseEventHandler(LabelModule_MouseMove);
}
public LabelModule()
{
init();
}
privatevoid LabelModule_MouseDown(object sender, MouseEventArgs e)
{
IsMouseDown = true;
MousePrePosition = new Point(e.X, e.Y);
this.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.Simple;
this.Cursor = Cursors.SizeAll;
}
privatevoid LabelModule_MouseUp(object sender, MouseEventArgs e)
{
IsMouseDown = false;
this.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.Default;
this.Cursor = Cursors.Default;
}
privatevoid LabelModule_MouseMove(object sender, MouseEventArgs e)
{
if (!IsMouseDown) return;
this.Top = this.Top + (e.Y - MousePrePosition.Y);
this.Left = this.Left + (e.X - MousePrePosition.X);
}
}
}
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraEditors;
namespace IJPrinterSoftware
{
public partial class LabelModule : LabelControl
{
privatebool IsMouseDown =
private Point MousePrePosition;
privatevoid init()
{
InitializeComponent();
this.MouseDown += new MouseEventHandler(LabelModule_MouseDown);
this.MouseUp += new MouseEventHandler(LabelModule_MouseUp);
this.MouseMove+=new MouseEventHandler(LabelModule_MouseMove);
}
public LabelModule()
{
init();
}
privatevoid LabelModule_MouseDown(object sender, MouseEventArgs e)
{
IsMouseDown = true;
MousePrePosition = new Point(e.X, e.Y);
this.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.Simple;
this.Cursor = Cursors.SizeAll;
}
privatevoid LabelModule_MouseUp(object sender, MouseEventArgs e)
{
IsMouseDown = false;
this.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.Default;
this.Cursor = Cursors.Default;
}
privatevoid LabelModule_MouseMove(object sender, MouseEventArgs e)
{
if (!IsMouseDown) return;
this.Top = this.Top + (e.Y - MousePrePosition.Y);
this.Left = this.Left + (e.X - MousePrePosition.X);
}
}
}