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
- 获取 web 服务器 port
Tomcat: public static String getServerPort(boolean secure) throws AttributeNotFoundException, Instan ...
- 设计模式之Builder（建造者）（转）
Builder模式定义: 将一个复杂对象的构建与它的表示分离,使得同样的构建过程可以创建不同的表示. Builder模式是一步一步创建一个复杂的对象,它允许用户可以只通过指定复杂对象的类型和内容就可以 ...
- tensorflow学习5----GAN模型初探
生成模型: 通过观测学习样本和标签的联合概率分布P(X,Y)进行训练,训练好的模型能够生成符合样本分布的新数据,在无监督学习方面,生成式模型能够捕获数据的高阶相关性,通过学习真实数据的本质特征,刻画样 ...
- JS 和 Jquery 的一些常用效果
https://www.cnblogs.com/beiz/tag/%E7%BD%91%E9%A1%B5%E5%B8%B8%E8%A7%81%E6%95%88%E6%9E%9C/ 北执
- css 初级进阶
摘自:https://www.jianshu.com/p/dcc40ccc9841 CSS中级 Class和ID选择器 CSS初级教程中我们可以使用HTML标签选择器定义样式. 同样你也可以使用Cla ...
- GoldenGate 12.3发布
新特性: oracle db1. 支持12.2 oracle db2. 支持微服务架构, 可以使用restful api 管理OGG3. Parallel replicat,性能比integrated ...
- Java 代码性能调优“三十六”策
代码优化,一个很重要的课题.可能有些人觉得没用,一些细小的地方有什么好修改的,改与不改对于代码的运行效率有什么影响呢?这个问题我是这么考虑的,就像大海里面的鲸鱼一样,它吃一条小虾米有用吗?没用,但是, ...
- 纯Java增删改查
//自己写的一个完整的带增删改查提交重置功能的表单代码.package com.l16.test5;import java.awt.Color;import java.awt.Container;im ...
- 使用splash爬去JavaScript动态请求的内容
https://blog.csdn.net/qq_32093267/article/details/78156184
- 基于rsync的lsyncd自动同步配置
环境部署 源机:192.168.31.140 目标机:192.168.31.130 源机配置 基于rsync的lsyncd 自动同步,rsync的配置省略 安装lsyncd rpm -ivh lsyn ...