C# 各种控件实现可拖动和调整大小
http://www.360doc.com/content/18/0516/12/55659281_754382494.shtml
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Windows.Forms; namespace Toolcs
{
class DragComponent
{
#region 实现窗体内的控件拖动
//用法：在Form初始化或者Form_Load时先执行
//DragComponent a = new DragComponent();
//a.initProperty(groupBox1);
//将界面groupBox1上的所有控件都绑定MyMouseDown、MyMouseLeave、MyMouseMove事件。 private Control control;
const int Band = 5;
const int MinWidth = 10;
const int MinHeight = 10;
private EnumMousePointPosition m_MousePointPosition;
private Point p , p1; private enum EnumMousePointPosition
{ MouseSizeNone = 0 , //'无 MouseSizeRight = 1 , //'拉伸右边框 MouseSizeLeft = 2 , //'拉伸左边框 MouseSizeBottom = 3 , //'拉伸下边框 MouseSizeTop = 4 , //'拉伸上边框 MouseSizeTopLeft = 5 , //'拉伸左上角 MouseSizeTopRight = 6 , //'拉伸右上角 MouseSizeBottomLeft = 7 , //'拉伸左下角 MouseSizeBottomRight = 8 , //'拉伸右下角 MouseDrag = 9 // '鼠标拖动 } private void MyMouseDown ( object sender , System.Windows.Forms.MouseEventArgs e )
{ p.X = e.X; p.Y = e.Y; p1.X = e.X; p1.Y = e.Y; } private void MyMouseLeave ( object sender , System.EventArgs e )
{ m_MousePointPosition = EnumMousePointPosition.MouseSizeNone; control.Cursor = Cursors.Arrow; }
private EnumMousePointPosition MousePointPosition ( Size size , System.Windows.Forms.MouseEventArgs e )
{ if ((e.X >= -1 * Band) | (e.X <= size.Width) | (e.Y >= -1 * Band) | (e.Y <= size.Height))
{ if (e.X < Band)
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTopLeft;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottomLeft;
} else
{
return EnumMousePointPosition.MouseSizeLeft;
} } } else
{ if (e.X > -1 * Band + size.Width)
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTopRight;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottomRight;
} else
{
return EnumMousePointPosition.MouseSizeRight;
} } } else
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTop;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottom;
} else
{
return EnumMousePointPosition.MouseDrag;
} } } } } else
{
return EnumMousePointPosition.MouseSizeNone;
} } private void MyMouseMove ( object sender , System.Windows.Forms.MouseEventArgs e )
{ Control lCtrl = (sender as Control); if (e.Button == MouseButtons.Left)
{ switch (m_MousePointPosition)
{ case EnumMousePointPosition.MouseDrag: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Top = lCtrl.Top + e.Y - p.Y; break; case EnumMousePointPosition.MouseSizeBottom: lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeBottomRight: lCtrl.Width = lCtrl.Width + e.X - p1.X; lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeRight: lCtrl.Width = lCtrl.Width + e.X - p1.X; // lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTop: lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); break; case EnumMousePointPosition.MouseSizeLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Width = lCtrl.Width - (e.X - p.X); break; case EnumMousePointPosition.MouseSizeBottomLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Width = lCtrl.Width - (e.X - p.X); lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTopRight: lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Width = lCtrl.Width + (e.X - p1.X); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTopLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Width = lCtrl.Width - (e.X - p.X); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); break; default: break; } if (lCtrl.Width < MinWidth) lCtrl.Width = MinWidth; if (lCtrl.Height < MinHeight) lCtrl.Height = MinHeight; } else
{ m_MousePointPosition = MousePointPosition(lCtrl.Size , e); //'判断光标的位置状态 switch (m_MousePointPosition) //'改变光标
{ case EnumMousePointPosition.MouseSizeNone: control.Cursor = Cursors.Arrow; //'箭头 break; case EnumMousePointPosition.MouseDrag: control.Cursor = Cursors.SizeAll; //'四方向 break; case EnumMousePointPosition.MouseSizeBottom: control.Cursor = Cursors.SizeNS; //'南北 break; case EnumMousePointPosition.MouseSizeTop: control.Cursor = Cursors.SizeNS; //'南北 break; case EnumMousePointPosition.MouseSizeLeft: control.Cursor = Cursors.SizeWE; //'东西 break; case EnumMousePointPosition.MouseSizeRight: control.Cursor = Cursors.SizeWE; //'东西 break; case EnumMousePointPosition.MouseSizeBottomLeft: control.Cursor = Cursors.SizeNESW; //'东北到南西 break; case EnumMousePointPosition.MouseSizeBottomRight: control.Cursor = Cursors.SizeNWSE; //'东南到西北 break; case EnumMousePointPosition.MouseSizeTopLeft: control.Cursor = Cursors.SizeNWSE; //'东南到西北 break; case EnumMousePointPosition.MouseSizeTopRight: control.Cursor = Cursors.SizeNESW; //'东北到南西 break; default: break; } }
} public void initProperty (Control ctl)
{
control = ctl; for (int i = 0 ; i < control.Controls.Count ; i++)
{ control.Controls[i].MouseDown += new System.Windows.Forms.MouseEventHandler(MyMouseDown); control.Controls[i].MouseLeave += new System.EventHandler(MyMouseLeave); control.Controls[i].MouseMove += new System.Windows.Forms.MouseEventHandler(MyMouseMove);
}
} #endregion }
} 个人觉的这有问题独自修改
class DragComponent
{
#region 实现窗体内的控件拖动
//用法：在Form初始化或者Form_Load时先执行
//DragComponent a = new DragComponent();
//a.initProperty(groupBox1);
//将界面groupBox1上的所有控件都绑定MyMouseDown、MyMouseLeave、MyMouseMove事件。 private Control control;
const int Band = 5;
const int MinWidth = 10;
const int MinHeight = 10;
private EnumMousePointPosition m_MousePointPosition;
private Point p, p1; public enum EnumMousePointPosition
{ MouseSizeNone = 0, //'无 MouseSizeRight = 1, //'拉伸右边框 MouseSizeLeft = 2, //'拉伸左边框 MouseSizeBottom = 3, //'拉伸下边框 MouseSizeTop = 4, //'拉伸上边框 MouseSizeTopLeft = 5, //'拉伸左上角 MouseSizeTopRight = 6, //'拉伸右上角 MouseSizeBottomLeft = 7, //'拉伸左下角 MouseSizeBottomRight = 8, //'拉伸右下角 MouseDrag = 9 // '鼠标拖动 } public void MyMouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{ p.X = e.X; p.Y = e.Y; p1.X = e.X; p1.Y = e.Y; } public void MyMouseLeave(object sender, System.EventArgs e)
{ m_MousePointPosition = EnumMousePointPosition.MouseSizeNone; control.Cursor = Cursors.Arrow; } public EnumMousePointPosition MousePointPosition(Size size, System.Windows.Forms.MouseEventArgs e)
{ if ((e.X >= -1 * Band) | (e.X <= size.Width) | (e.Y >= -1 * Band) | (e.Y <= size.Height))
{ if (e.X < Band)
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTopLeft;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottomLeft;
} else
{
return EnumMousePointPosition.MouseSizeLeft;
} } } else
{ if (e.X > -1 * Band + size.Width)
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTopRight;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottomRight;
} else
{
return EnumMousePointPosition.MouseSizeRight;
} } } else
{ if (e.Y < Band)
{
return EnumMousePointPosition.MouseSizeTop;
} else
{ if (e.Y > -1 * Band + size.Height)
{
return EnumMousePointPosition.MouseSizeBottom;
} else
{
return EnumMousePointPosition.MouseDrag;
} } } } } else
{
return EnumMousePointPosition.MouseSizeNone;
} } public void MyMouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{ Control lCtrl = (sender as Control);
if (e.Button == MouseButtons.Left)
{ switch (m_MousePointPosition)
{ case EnumMousePointPosition.MouseDrag: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Top = lCtrl.Top + e.Y - p.Y; break; case EnumMousePointPosition.MouseSizeBottom: lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeBottomRight: lCtrl.Width = lCtrl.Width + e.X - p1.X; lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeRight: lCtrl.Width = lCtrl.Width + e.X - p1.X; // lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTop: lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); break; case EnumMousePointPosition.MouseSizeLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Width = lCtrl.Width - (e.X - p.X); break; case EnumMousePointPosition.MouseSizeBottomLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Width = lCtrl.Width - (e.X - p.X); lCtrl.Height = lCtrl.Height + e.Y - p1.Y; p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTopRight: lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Width = lCtrl.Width + (e.X - p1.X); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); p1.X = e.X; p1.Y = e.Y; //'记录光标拖动的当前点 break; case EnumMousePointPosition.MouseSizeTopLeft: lCtrl.Left = lCtrl.Left + e.X - p.X; lCtrl.Top = lCtrl.Top + (e.Y - p.Y); lCtrl.Width = lCtrl.Width - (e.X - p.X); lCtrl.Height = lCtrl.Height - (e.Y - p.Y); break; default: break; } if (lCtrl.Width < MinWidth) lCtrl.Width = MinWidth; if (lCtrl.Height < MinHeight) lCtrl.Height = MinHeight; } else
{ m_MousePointPosition = MousePointPosition(lCtrl.Size, e); //'判断光标的位置状态 switch (m_MousePointPosition) //'改变光标
{ case EnumMousePointPosition.MouseSizeNone: control.Cursor = Cursors.Arrow; //'箭头 break; case EnumMousePointPosition.MouseDrag: control.Cursor = Cursors.SizeAll; //'四方向 break; case EnumMousePointPosition.MouseSizeBottom: control.Cursor = Cursors.SizeNS; //'南北 break; case EnumMousePointPosition.MouseSizeTop: control.Cursor = Cursors.SizeNS; //'南北 break; case EnumMousePointPosition.MouseSizeLeft: control.Cursor = Cursors.SizeWE; //'东西 break; case EnumMousePointPosition.MouseSizeRight: control.Cursor = Cursors.SizeWE; //'东西 break; case EnumMousePointPosition.MouseSizeBottomLeft: control.Cursor = Cursors.SizeNESW; //'东北到南西 break; case EnumMousePointPosition.MouseSizeBottomRight: control.Cursor = Cursors.SizeNWSE; //'东南到西北 break; case EnumMousePointPosition.MouseSizeTopLeft: control.Cursor = Cursors.SizeNWSE; //'东南到西北 break; case EnumMousePointPosition.MouseSizeTopRight: control.Cursor = Cursors.SizeNESW; //'东北到南西 break; default: break; } }
} public void initProperty(Control ctl)
{
control = ctl;
control.MouseDown += new System.Windows.Forms.MouseEventHandler(MyMouseDown);
control.MouseLeave += new System.EventHandler(MyMouseLeave);
control.MouseMove += new System.Windows.Forms.MouseEventHandler(MyMouseMove);
} #endregion }
C# 各种控件实现可拖动和调整大小的更多相关文章
- 【教程】【FLEX】#006 控件位置的拖动
上一篇笔记学习了怎么从 把一个控件拖放到另外一个控件里面(即 A --> B里面). 而现在呢,则是学习 怎么把 A 拖到另外一个位置. (A -->A位置改变): 先说一下实现的思路( ...
- DEV 之 有些控件不允许拖动。
DEV 之 有些控件不允许拖动. 设置一个参数即可解决问题
- WPF 控件库——可拖动选项卡的TabControl
WPF 控件库系列博文地址: WPF 控件库——仿制Chrome的ColorPicker WPF 控件库——仿制Windows10的进度条 WPF 控件库——轮播控件 WPF 控件库——带有惯性的Sc ...
- 反爬虫：利用ASP.NET MVC的Filter和缓存（入坑出坑） C#中缓存的使用 C#操作redis WPF 控件库——可拖动选项卡的TabControl 【Bootstrap系列】详解Bootstrap-table AutoFac event 和delegate的分别 常见的异步方式async 和 await C# Task用法 c#源码的执行过程
反爬虫:利用ASP.NET MVC的Filter和缓存(入坑出坑) 背景介绍: 为了平衡社区成员的贡献和索取,一起帮引入了帮帮币.当用户积分(帮帮点)达到一定数额之后,就会“掉落”一定数量的“帮帮 ...
- C#设置一个控件可以鼠标拖动
C#设置一个控件可以鼠标拖动: 新建一个C#项目, 创建一个label控件, 设置label的鼠标按下和抬起事件分别为:label1_MouseDown和label1_MouseUp. 对代码进行如下 ...
- 【转】C# 控件的自定义拖动、改变大小方法
在用VS的窗体设计器时,我们可以发现控件都是可以拖动的,并且还可以调整大小.怎么在自己的程序中可以使用上述功能呢? 下面的方法值得借鉴! using System; using System.Wind ...
- C# 控件的自定义拖动、改变大小方法
在用VS的窗体设计器时,我们可以发现控件都是可以拖动的,并且还可以调整大小.怎么在自己的程序中可以使用上述功能呢? 下面的方法值得借鉴! using System; using System.Wind ...
- Telerik 控件事例(鼠标拖动行，拖动列，设置行对齐，行宽，是否显示)
People.cs using System;using System.Collections.Generic;using System.Data;using System.Linq;using Sy ...
- WinForm中TreeView控件实现鼠标拖动节点(可实现同级节点位置互换，或拖到目标子节点)
;//1:不同级, 不为1:拖同级 private void treeView1_ItemDrag(object sender, ItemDragEventArgs e) { if (e.Button ...
随机推荐
- python自定义安装包
python的第三方模块越来越丰富,涉及的领域也非常广,如科学计算.图片处理.web应用.GUI开发等.当然也可以将自己写的模块进行打包或发布.一简单的方法是将你的类包直接copy到python的li ...
- maven 常用 Archetypes
maven 常用 Archetypes Archetypes简介 什么是原型? 简而言之,Archetype是一个Maven项目模板工具包.原型被定义为原始模式或模型,从中创建所有其他相同类型的东西. ...
- C#之Action的实际应用例子
public class DemoAction{ public Action action; public Action<int> action1; public Action<in ...
- STL容器之deque
[1]deque容器 deque 是对 vector 和 list 优缺点的结合,它是处于两者之间的一种容器. [2]deque方法集 应用示例代码: #include <deque> # ...
- Eloquent JavaScript #02# program_structure
第一章中作者介绍了各种值,但是这些独立的值是没有意义的,只有当值放在更大的框架的时候才会彰显它们的价值.所以第二章开始介绍程序结构. 1.var VS. let 以及 const 作者推荐用 let ...
- EDK II之USB设备驱动程序的加载与运行
本文简单介绍一下USB设备的驱动程序是如何匹配设备以及被加载的: 上文(UDK中USB总线驱动的实现框架)提到USB总线枚举设备的最后一步是调用gBS->ConnectController()去 ...
- Firefox创建firefoxprofile
我们自动化测试的时候,有时不需要图片加载出来,提高浏览器加载速度,从而提高脚本的执行速度.另外在一些网络比较差的环境下,禁用css.图片等加载可以提高访问速度 方法: 1.创建自己的firefoxpr ...
- ElasticSearch(二)CentOs6.4下安装ElasticSearch
一.准备工作 Elastic 需要 Java 8 环境.如果你的机器还没安装 Java,先需要安装java环境,同时还注意要保证环境变量JAVA_HOME正确设置. 链接:https://pan.ba ...
- JavaScript 条件判断算法综合实战
在赌场21点游戏中,玩家可以通过计算牌桌上已经发放的卡牌的高低值来让自己在游戏中保持优势,这就叫21点算法. 根据下面的表格,每张卡牌都分配了一个值.如果卡牌的值大于0,那么玩家应该追加赌注.反之,追 ...
- Java中的Volatile和synchronized的区别
Synchronized和Volatile四个不同点: 1.粒度不同,前者锁对象和类 ,后者针对变量2.syn阻塞,volatile线程不阻塞3.syn保证三大特性,volatile不保证原子性4.s ...