<em>Mac</em>Book项目 2009年学校开始实施<em>Mac</em>Book项目,所有师生配备一本<em>Mac</em>Book,并同步更新了校园无线网络。学校每周进行电脑技术更新,每月发送技术支持资料,极大改变了教学及学习方式。因此2011
2021-06-01 09:32:01
基於C#實現磁性吸附表單
2022-12-31 14:00:13
實踐過程
效果
程式碼
public partial class Frm_Libretto : Form
{
public Frm_Libretto()
{
InitializeComponent();
}
#region 公共變數
FrmClass Cla_FrmClass = new FrmClass();
#endregion
private void Frm_Libretto_Load(object sender, EventArgs e)
{
this.Top = FrmClass.Example_Play_Top;
this.Left = FrmClass.Example_Play_Left + FrmClass.Example_Play_Width;
Cla_FrmClass.FrmInitialize(this);
}
private void panel_Title_MouseDown(object sender, MouseEventArgs e)
{
FrmClass.CPoint = new Point(-e.X, -e.Y);
}
private void panel_Title_MouseMove(object sender, MouseEventArgs e)
{
FrmClass.Example_Assistant_AdhereTo = false;
FrmClass.Example_Libretto_AdhereTo = false;
Cla_FrmClass.FrmMove(this, e);
}
private void panel_Title_MouseUp(object sender, MouseEventArgs e)
{
Cla_FrmClass.FrmPlace(this);
}
}
public partial class Frm_ListBox : Form
{
public Frm_ListBox()
{
InitializeComponent();
}
#region 公共變數
FrmClass Cla_FrmClass = new FrmClass();
#endregion
private void Frm_ListBox_Load(object sender, EventArgs e)
{
this.Left = FrmClass.Example_Play_Left;
this.Top = FrmClass.Example_Play_Top + FrmClass.Example_Play_Height;
Cla_FrmClass.FrmInitialize(this);
}
private void panel_Title_MouseDown(object sender, MouseEventArgs e)
{
FrmClass.CPoint = new Point(-e.X, -e.Y);
}
private void panel_Title_MouseMove(object sender, MouseEventArgs e)
{
FrmClass.Example_Assistant_AdhereTo = false;
FrmClass.Example_List_AdhereTo = false;
Cla_FrmClass.FrmMove(this, e);
}
private void panel_Title_MouseUp(object sender, MouseEventArgs e)
{
Cla_FrmClass.FrmPlace(this);
}
}
public partial class Frm_Play : Form
{
public Frm_Play()
{
InitializeComponent();
}
#region 公共變數
FrmClass Cla_FrmClass = new FrmClass();
public static Form F_List = new Form();
public static Form F_Libretto = new Form();
public static Form F_Screen = new Form();
#endregion
private void Frm_Play_Load(object sender, EventArgs e)
{
//表單位置的初始化
Cla_FrmClass.FrmInitialize(this);
}
private void panel_Title_MouseDown(object sender, MouseEventArgs e)
{
int Tem_Y = 0;
if (e.Button == MouseButtons.Left) //按下的是否為滑鼠左鍵
{
Cla_FrmClass.FrmBackCheck(); //檢測各表單是否連在一起
Tem_Y = e.Y;
FrmClass.FrmPoint = new Point(e.X, Tem_Y); //獲取滑鼠在表單上的位置，用於磁性表單
FrmClass.CPoint = new Point(-e.X, -Tem_Y); //獲取滑鼠在螢幕上的位置，用於表單的移動
if (FrmClass.Example_List_AdhereTo) //如果與frm_ListBox表單相連線
{
Cla_FrmClass.FrmDistanceJob(this, F_List); //計算表單的距離差
if (FrmClass.Example_Assistant_AdhereTo) //兩個輔表單是否連線在一起
{
Cla_FrmClass.FrmDistanceJob(this, F_Libretto); //計算表單的距離差
}
}
if (FrmClass.Example_Libretto_AdhereTo) //如果與frm_Libretto表單相連線
{
Cla_FrmClass.FrmDistanceJob(this, F_Libretto); //計算表單的距離差
if (FrmClass.Example_Assistant_AdhereTo) //兩個輔表單是否連線在一起
{
Cla_FrmClass.FrmDistanceJob(this, F_List); //計算表單的距離差
}
}
}
}
private void panel_Title_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left) //按下的是否為滑鼠左鍵
{
Cla_FrmClass.FrmMove(this, e); //利用控制元件移動表單
if (FrmClass.Example_List_AdhereTo) //如果frm_ListBox表單與主表單連線
{
Cla_FrmClass.ManyFrmMove(this, e, F_List); //磁性表單的移動
Cla_FrmClass.FrmInitialize(F_List); //對frm_ListBox表單的位置進行初始化
if (FrmClass.Example_Assistant_AdhereTo) //如果兩個子表單連線在一起
{
Cla_FrmClass.ManyFrmMove(this, e, F_Libretto);
Cla_FrmClass.FrmInitialize(F_Libretto);
}
}
if (FrmClass.Example_Libretto_AdhereTo) //如果frm_Libretto表單與主表單連線
{
Cla_FrmClass.ManyFrmMove(this, e, F_Libretto);
Cla_FrmClass.FrmInitialize(F_Libretto);
if (FrmClass.Example_Assistant_AdhereTo)
{
Cla_FrmClass.ManyFrmMove(this, e, F_List);
Cla_FrmClass.FrmInitialize(F_List);
}
}
Cla_FrmClass.FrmInitialize(this);
}
}
private void panel_Title_MouseUp(object sender, MouseEventArgs e)
{
Cla_FrmClass.FrmPlace(this);
}
private void Frm_Play_Shown(object sender, EventArgs e)
{
//顯示列表表單
F_List = new Frm_ListBox();
F_List.ShowInTaskbar = false;
FrmClass.Example_ListShow = true;
F_List.Show();
//顯示歌詞表單
F_Libretto = new Frm_Libretto();
F_Libretto.ShowInTaskbar = false;
FrmClass.Example_LibrettoShow = true;
F_Libretto.Show();
F_Libretto.Left = this.Left + this.Width;
F_Libretto.Top = this.Top;
//各表單位置的初始化
Cla_FrmClass.FrmInitialize(F_List);
Cla_FrmClass.FrmInitialize(F_Libretto);
}
private void panel_Close_Click(object sender, EventArgs e)
{
F_List.Close();
F_List.Dispose();
F_Libretto.Close();
F_Libretto.Dispose();
F_Screen.Close();
F_Screen.Dispose();
this.Close();
}
private void panel_Title_Click(object sender, EventArgs e)
{
F_List.Focus();
F_Libretto.Focus();
this.Focus();
}
}
class FrmClass
{
#region 磁性表單-公共變數
//記錄表單的隱藏與顯示
public static bool Example_ListShow = false;
public static bool Example_LibrettoShow = false;
public static bool Example_ScreenShow = false;
//記錄滑鼠的當前位置
public static Point CPoint; //新增名稱空間using System.Drawing;
public static Point FrmPoint;
public static int Example_FSpace = 10; //設定表單間的距離
//Frm_Play表單的位置及大小
public static int Example_Play_Top = 0;
public static int Example_Play_Left = 0;
public static int Example_Play_Width = 0;
public static int Example_Play_Height = 0;
public static bool Example_Assistant_AdhereTo = false; //輔助表單是否磁性在一起
//Frm_ListBos表單的位置及大小
public static int Example_List_Top = 0;
public static int Example_List_Left = 0;
public static int Example_List_Width = 0;
public static int Example_List_Height = 0;
public static bool Example_List_AdhereTo = false; //輔助表單是否與主表單磁性在一起
//Frm_Libretto表單的位置及大小
public static int Example_Libretto_Top = 0;
public static int Example_Libretto_Left = 0;
public static int Example_Libretto_Width = 0;
public static int Example_Libretto_Height = 0;
public static bool Example_Libretto_AdhereTo = false; //輔助表單是否與主表單磁性在一起
//表單之間的距離差
public static int Example_List_space_Top = 0;
public static int Example_List_space_Left = 0;
public static int Example_Libretto_space_Top = 0;
public static int Example_Libretto_space_Left = 0;
#endregion
#region 檢測各表單是否連線在一起
/// <summary>
/// 檢測各表單是否連線在一起
/// </summary>
public void FrmBackCheck()
{
bool Tem_Magnetism = false;
//Frm_ListBos與主表單
Tem_Magnetism = false;
if ((Example_Play_Top - Example_List_Top) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_List_Left) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_List_Left - Example_List_Width) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_List_Left + Example_List_Width) == 0)
Tem_Magnetism = true;
if ((Example_Play_Top - Example_List_Top - Example_List_Height) == 0)
Tem_Magnetism = true;
if ((Example_Play_Top - Example_List_Top + Example_List_Height) == 0)
Tem_Magnetism = true;
if (Tem_Magnetism)
Example_List_AdhereTo = true;
//Frm_Libretto與主表單
Tem_Magnetism = false;
if ((Example_Play_Top - Example_Libretto_Top) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_Libretto_Left) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_Libretto_Left - Example_Libretto_Width) == 0)
Tem_Magnetism = true;
if ((Example_Play_Left - Example_Libretto_Left + Example_Libretto_Width) == 0)
Tem_Magnetism = true;
if ((Example_Play_Top - Example_Libretto_Top - Example_Libretto_Height) == 0)
Tem_Magnetism = true;
if ((Example_Play_Top - Example_Libretto_Top + Example_Libretto_Height) == 0)
Tem_Magnetism = true;
if (Tem_Magnetism)
Example_Libretto_AdhereTo = true;
//兩個輔表單
Tem_Magnetism = false;
if ((Example_List_Top - Example_Libretto_Top) == 0)
Tem_Magnetism = true;
if ((Example_List_Left - Example_Libretto_Left) == 0)
Tem_Magnetism = true;
if ((Example_List_Left - Example_Libretto_Left - Example_Libretto_Width) == 0)
Tem_Magnetism = true;
if ((Example_List_Left - Example_Libretto_Left + Example_Libretto_Width) == 0)
Tem_Magnetism = true;
if ((Example_List_Top - Example_Libretto_Top - Example_Libretto_Height) == 0)
Tem_Magnetism = true;
if ((Example_List_Top - Example_Libretto_Top + Example_Libretto_Height) == 0)
Tem_Magnetism = true;
if (Tem_Magnetism)
Example_Assistant_AdhereTo = true;
}
#endregion
#region 利用表單上的控制元件移動表單
/// <summary>
/// 利用控制元件移動表單
/// </summary>
/// <param Frm="Form">表單</param>
/// <param e="MouseEventArgs">控制元件的移動事件</param>
public void FrmMove(Form Frm, MouseEventArgs e) //Form或MouseEventArgs新增名稱空間using System.Windows.Forms;
{
if (e.Button == MouseButtons.Left)
{
Point myPosittion = Control.MousePosition; //獲取當前滑鼠的螢幕座標
myPosittion.Offset(CPoint.X, CPoint.Y); //過載當前滑鼠的位置
Frm.DesktopLocation = myPosittion; //設定當前表單在螢幕上的位置
}
}
#endregion
#region 計算表單之間的距離差
/// <summary>
/// 計算表單之間的距離差
/// </summary>
/// <param Frm="Form">表單</param>
/// <param Follow="Form">跟隨表單</param>
public void FrmDistanceJob(Form Frm, Form Follow)
{
switch (Follow.Name)
{
case "Frm_ListBox":
{
Example_List_space_Top = Follow.Top - Frm.Top;
Example_List_space_Left = Follow.Left - Frm.Left;
break;
}
case "Frm_Libretto":
{
Example_Libretto_space_Top = Follow.Top - Frm.Top;
Example_Libretto_space_Left = Follow.Left - Frm.Left;
break;
}
}
}
#endregion
#region 磁性表單的移動
/// <summary>
/// 磁性表單的移動
/// </summary>
/// <param Frm="Form">表單</param>
/// <param e="MouseEventArgs">控制元件的移動事件</param>
/// <param Follow="Form">跟隨表單</param>
public void
ManyFrmMove(Form Frm, MouseEventArgs e, Form Follow) //Form或MouseEventArgs新增名稱空間using System.Windows.Forms;
{
if (e.Button == MouseButtons.Left)
{
int Tem_Left = 0;
int Tem_Top = 0;
Point myPosittion = Control.MousePosition; //獲取當前滑鼠的螢幕座標
switch (Follow.Name)
{
case "Frm_ListBox":
{
Tem_Top = Example_List_space_Top - FrmPoint.Y;
Tem_Left = Example_List_space_Left - FrmPoint.X;
break;
}
case "Frm_Libretto":
{
Tem_Top = Example_Libretto_space_Top - FrmPoint.Y;
Tem_Left = Example_Libretto_space_Left - FrmPoint.X;
break;
}
}
myPosittion.Offset(Tem_Left, Tem_Top);
Follow.DesktopLocation = myPosittion;
}
}
#endregion
#region 對錶單的位置進行初始化
/// <summary>
/// 對錶單的位置進行初始化
/// </summary>
/// <param Frm="Form">表單</param>
public void FrmInitialize(Form Frm)
{
switch (Frm.Name)
{
case "Frm_Play":
{
Example_Play_Top = Frm.Top;
Example_Play_Left = Frm.Left;
Example_Play_Width = Frm.Width;
Example_Play_Height = Frm.Height;
break;
}
case "Frm_ListBox":
{
Example_List_Top = Frm.Top;
Example_List_Left = Frm.Left;
Example_List_Width = Frm.Width;
Example_List_Height = Frm.Height;
break;
}
case "Frm_Libretto":
{
Example_Libretto_Top = Frm.Top;
Example_Libretto_Left = Frm.Left;
Example_Libretto_Width = Frm.Width;
Example_Libretto_Height = Frm.Height;
break;
}
}
}
#endregion
#region 儲存各表單的當前資訊
/// <summary>
/// 儲存各表單的當前資訊
/// </summary>
/// <param Frm="Form">表單</param>
/// <param e="MouseEventArgs">控制元件的移動事件</param>
public void FrmPlace(Form Frm)
{
FrmInitialize(Frm);
FrmMagnetism(Frm);
}
#endregion
#region 表單的磁性設定
/// <summary>
/// 表單的磁性設定
/// </summary>
/// <param Frm="Form">表單</param>
public void FrmMagnetism(Form Frm)
{
if (Frm.Name != "Frm_Play")
{
FrmMagnetismCount(Frm, Example_Play_Top, Example_Play_Left, Example_Play_Width, Example_Play_Height,
"Frm_Play");
}
if (Frm.Name != "Frm_ListBos")
{
FrmMagnetismCount(Frm, Example_List_Top, Example_List_Left, Example_List_Width, Example_List_Height,
"Frm_ListBos");
}
if (Frm.Name != "Frm_Libratto")
{
FrmMagnetismCount(Frm, Example_Libretto_Top, Example_Libretto_Left, Example_Libretto_Width,
Example_Libretto_Height, "Frm_Libratto");
}
FrmInitialize(Frm);
}
#endregion
#region 磁性表單的計算
/// <summary>
/// 磁性表單的計算
/// </summary>
/// <param Frm="Form">表單</param>
/// <param e="MouseEventArgs">控制元件的移動事件</param>
public void FrmMagnetismCount(Form Frm, int top, int left, int width, int height, string Mforms)
{
bool Tem_Magnetism = false; //判斷是否有磁性發生
string Tem_MainForm = ""; //臨時記錄主表單
string Tem_AssistForm = ""; //臨時記錄輔表單
//上面進行磁性表單
if ((Frm.Top + Frm.Height - top) <= Example_FSpace && (Frm.Top + Frm.Height - top) >= -Example_FSpace)
{
//當一個主表單不包含輔表單時
if ((Frm.Left >= left && Frm.Left <= (left + width)) ||
((Frm.Left + Frm.Width) >= left && (Frm.Left + Frm.Width) <= (left + width)))
{
Frm.Top = top - Frm.Height;
if ((Frm.Left - left) <= Example_FSpace && (Frm.Left - left) >= -Example_FSpace)
Frm.Left = left;
Tem_Magnetism = true;
}
//當一個主表單包含輔表單時
if (Frm.Left <= left && (Frm.Left + Frm.Width) >= (left + width))
{
Frm.Top = top - Frm.Height;
if ((Frm.Left - left) <= Example_FSpace && (Frm.Left - left) >= -Example_FSpace)
Frm.Left = left;
Tem_Magnetism = true;
}
}
//下面進行磁性表單
if ((Frm.Top - (top + height)) <= Example_FSpace && (Frm.Top - (top + height)) >= -Example_FSpace)
{
//當一個主表單不包含輔表單時
if ((Frm.Left >= left && Frm.Left <= (left + width)) ||
((Frm.Left + Frm.Width) >= left && (Frm.Left + Frm.Width) <= (left + width)))
{
Frm.Top = top + height;
if ((Frm.Left - left) <= Example_FSpace && (Frm.Left - left) >= -Example_FSpace)
Frm.Left = left;
Tem_Magnetism = true;
}
//當一個主表單包含輔表單時
if (Frm.Left <= left && (Frm.Left + Frm.Width) >= (left + width))
{
Frm.Top = top + height;
if ((Frm.Left - left) <= Example_FSpace && (Frm.Left - left) >= -Example_FSpace)
Frm.Left = left;
Tem_Magnetism = true;
}
}
//左面進行磁性表單
if ((Frm.Left + Frm.Width - left) <= Example_FSpace && (Frm.Left + Frm.Width - left) >= -Example_FSpace)
{
//當一個主表單不包含輔表單時
if ((Frm.Top > top && Frm.Top <= (top + height)) ||
((Frm.Top + Frm.Height) >= top && (Frm.Top + Frm.Height) <= (top + height)))
{
Frm.Left = left - Frm.Width;
if ((Frm.Top - top) <= Example_FSpace && (Frm.Top - top) >= -Example_FSpace)
Frm.Top = top;
Tem_Magnetism = true;
}
//當一個主表單包含輔表單時
if (Frm.Top <= top && (Frm.Top + Frm.Height) >= (top + height))
{
Frm.Left = left - Frm.Width;
if ((Frm.Top - top) <= Example_FSpace && (Frm.Top - top) >= -Example_FSpace)
Frm.Top = top;
Tem_Magnetism = true;
}
}
//右面進行磁性表單
if ((Frm.Left - (left + width)) <= Example_FSpace && (Frm.Left - (left + width)) >= -Example_FSpace)
{
//當一個主表單不包含輔表單時
if ((Frm.Top > top && Frm.Top <= (top + height)) ||
((Frm.Top + Frm.Height) >= top && (Frm.Top + Frm.Height) <= (top + height)))
{
Frm.Left = left + width;
if ((Frm.Top - top) <= Example_FSpace && (Frm.Top - top) >= -Example_FSpace)
Frm.Top = top;
Tem_Magnetism = true;
}
//當一個主表單包含輔表單時
if (Frm.Top <= top && (Frm.Top + Frm.Height) >= (top + height))
{
Frm.Left = left + width;
if ((Frm.Top - top) <= Example_FSpace && (Frm.Top - top) >= -Example_FSpace)
Frm.Top = top;
Tem_Magnetism = true;
}
}
if (Frm.Name == "Frm_Play")
Tem_MainForm = "Frm_Play";
else
Tem_AssistForm = Frm.Name;
if (Mforms == "Frm_Play")
Tem_MainForm = "Frm_Play";
else
Tem_AssistForm = Mforms;
if (Tem_MainForm == "")
{
Example_Assistant_AdhereTo = Tem_Magnetism;
}
else
{
switch (Tem_AssistForm)
{
case "Frm_ListBos":
Example_List_AdhereTo = Tem_Magnetism;
break;
case "Frm_Libratto":
Example_Libretto_AdhereTo = Tem_Magnetism;
break;
}
}
}
#endregion
#region 恢復表單的初始大小
/// <summary>
/// 恢復表單的初始大小(當鬆開滑鼠時，如果表單的大小小於300*200,恢復初始狀態)
/// </summary>
/// <param Frm="Form">表單</param>
public void FrmScreen_FormerlySize(Form Frm, int PWidth, int PHeight)
{
if (Frm.Width < PWidth || Frm.Height < PHeight)
{
Frm.Width = PWidth;
Frm.Height = PHeight;
//Example_Size = false;
}
}
#endregion
}
static class Program
{
/// <summary>
/// 應用程式的主入口點。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Frm_Play());
}
}
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目前应用IPFS的机构：1 谷歌<em>浏览器</em>支持IPFS分布式协议 2 万维网 (历史档案博物馆)数据库 3 火狐<em>浏览器</em>支持 IPFS分布式协议 4 EOS 等数字货币数据存储 5 美国国会图书馆，历史资料永久保存在 IPFS 6 加
2021-06-01 09:31:24
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有哪些事是買了雪佛蘭後才知道的？美事偷著樂，開拓者車主隨聊
开拓者的车机是兼容苹果和<em>安卓</em>，虽然我不怎么用，但确实兼顾了我家人的很多需求：副驾的门板还配有解锁开关，有的时候老婆开车，下车的时候偶尔会忘记解锁，我在副驾驶可以自己开门：第二排设计很好，不仅配置了一个很大的
2021-06-01 09:30:48
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iPhone12在618最新定價，跌價幅度超過1400元，還等iPhone13嗎？
不仅是<em>安卓</em>手机，苹果手机的降价力度也是前所未有了，iPhone12也“跳水价”了，发布价是6799元，如今已经跌至5308元，降价幅度超过1400元，最新定价确认了。iPhone12是苹果首款5G手机，同时也是全球首款5nm芯片的智能机，它
2021-06-01 09:30:45