C#将指定按钮值添加到键类型中DummyKey设置按钮是否被按下例子代码是小编为大家带来的一个实例,C#将指定的按钮值添加到键类型中,DummyKey设置按钮是否被按下,鼠标移入控件的可见区域时触发,鼠标移出控件的可见区域时触发,有兴趣的朋友别错过了,一块来详细了解下吧。
using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.Data; using System.Linq; using System.Text; using System.Windows.Forms; using System.Drawing.Drawing2D; namespace DummyKey { public partial class FecitButton : Button { public FecitButton() { InitializeComponent(); base.Font = new Font("宋体", 9.75F, FontStyle.Bold); base.Width = 26; base.Height = 25; } private Color Color_Brush = Color.MediumPurple; private Color Color_Pen = Color.Indigo; public static bool MouseE = false; private bool TChecked = false; [Browsable(true), Category("按钮操作"), Description("设置按钮是否被按下,如按下,则为true")] public bool Checked { get { return TChecked; } set { TChecked = value; Invalidate(); } } protected override void OnPaint(System.Windows.Forms.PaintEventArgs e) { Color tem_colorb = Color_Brush; Color tem_colorp = Color_Pen; if (Checked) { Color_Brush = Color.Pink; Color_Pen = Color.PaleVioletRed; } else { Color_Brush = tem_colorb; Color_Pen = tem_colorp; } SolidBrush tem_Brush = new SolidBrush(Color_Brush); Pen tem_Pen = new Pen(new SolidBrush(Color_Pen), 2); e.Graphics.FillRectangle(tem_Brush, 0, 0, this.Width, this.Height); e.Graphics.DrawRectangle(tem_Pen, 1, 1, this.Width - 2, this.Height - 2); ProtractText(e.Graphics); } /// <summary> /// 鼠标移入控件的可见区域时触发 /// </summary> protected override void OnMouseEnter(EventArgs e) { Color_Brush = Color.LightSteelBlue; Color_Pen = Color.LightSlateGray; Invalidate(); base.OnMouseEnter(e); } /// <summary> /// 鼠标移出控件的可见区域时触发 /// </summary> protected override void OnMouseLeave(EventArgs e) { Color_Brush = Color.MediumPurple; Color_Pen = Color.Indigo; Invalidate(); base.OnMouseLeave(e); } private void ProtractText(Graphics g) { Graphics TitG = this.CreateGraphics();//创建Graphics类对象 string TitS = base.Text;//获取图表标题的名称 SizeF TitSize = TitG.MeasureString(TitS, this.Font);//将绘制的字符串进行格式化 float TitWidth = TitSize.Width;//获取字符串的宽度 float TitHeight = TitSize.Height;//获取字符串的高度 float TitX = 0;//标题的横向坐标 float TitY = 0;//标题的纵向坐标 if (this.Height > TitHeight) TitY = (this.Height - TitHeight) / 2F; else TitY = 1; if (this.Width > TitWidth) TitX = (this.Width - TitWidth) / 2F; else TitX = 2; Rectangle rect = new Rectangle((int)Math.Floor(TitX), (int)Math.Floor(TitY), (int)Math.Ceiling(TitWidth), (int)Math.Ceiling(TitHeight)); g.DrawString(TitS, base.Font,new SolidBrush(base.ForeColor), new PointF(TitX, TitY)); } } }
主类代码如下:
namespace DummyKey { public partial class Frm_Main : Form { private HookEx.UserActivityHook hook;//实例化HookEx.UserActivityHook private static IDictionary<short, IList<FecitButton>> spacialVKButtonsMap;//表示键/值对应的泛型集合 private static IDictionary<short, IList<FecitButton>> combinationVKButtonsMap;//表示键/值对应的泛型集合 public Frm_Main() { InitializeComponent(); #region 将指定的按钮值添加到键类型中 spacialVKButtonsMap = new Dictionary<short, IList<FecitButton>>(); combinationVKButtonsMap = new Dictionary<short, IList<FecitButton>>(); IList<FecitButton> buttonList = new List<FecitButton>();//实例化IList<FecitButton>(按照索引单独访问的一组对象) buttonList.Add(this.btnLCTRL);//添加左面的CTRL键 combinationVKButtonsMap.Add(KeyboardConstaint.VK_CONTROL, buttonList);//添加左面的CTRL键值 buttonList = new List<FecitButton>(); buttonList.Add(this.btnLSHFT);//添加左面的LSHFT键 buttonList.Add(this.btnRSHFT);//添加右面的LSHFT键 combinationVKButtonsMap.Add(KeyboardConstaint.VK_SHIFT, buttonList);//添加LSHFT键值 buttonList = new List<FecitButton>();//实例化IList<FecitButton> buttonList.Add(this.btnLALT);//添加左面的ALT键 combinationVKButtonsMap.Add(KeyboardConstaint.VK_MENU, buttonList);//添加左面的ALT键值 buttonList = new List<FecitButton>();//实例化IList<FecitButton> buttonList.Add(this.btnLW);//添加左面的WIN键 combinationVKButtonsMap.Add(KeyboardConstaint.VK_LWIN, buttonList);//添加左面的WIN键值 buttonList = new List<FecitButton>();//实例化IList<FecitButton> buttonList.Add(this.btnLOCK);//添加LOCK键 spacialVKButtonsMap.Add(KeyboardConstaint.VK_CAPITAL, buttonList);//添加LOCK键值 #endregion foreach (Control ctrl in this.Controls) { FecitButton button = ctrl as FecitButton; if (button == null) { continue; } #region 设置按键的消息值 short key = 0;//记录键值 bool isSpacialKey = true; //记录快捷键的键值 switch (button.Name)//获取键名称 { case "btnLCTRL"://CTRL键的左键名称 case "btnRCTRL"://CTRL键的右键名称 key = KeyboardConstaint.VK_CONTROL;//获取CTRL键的键值 break; case "btnLSHFT"://SHFT键的左键名称 case "btnRSHFT"://SHFT键的左键名称 key = KeyboardConstaint.VK_SHIFT;//获取SHFT键的键值 break; case "btnLALT"://ALT键的左键名称 case "btnRALT"://ALT键的左键名称 key = KeyboardConstaint.VK_MENU;//获取ALT键的键值 break; case "btnLW"://WIN键的左键名称 case "btnRW"://WIN键的左键名称 key = KeyboardConstaint.VK_LWIN;//获取WIN键的键值 break; case "btnESC"://ESC键的名称 key = KeyboardConstaint.VK_ESCAPE;//获取ESC键的键值 break; case "btnTAB"://TAB键的名称 key = KeyboardConstaint.VK_TAB;//获取TAB键的键值 break; case "btnF1"://F1键的名称 key = KeyboardConstaint.VK_F1;//获取F1键的键值 break; case "btnF2": key = KeyboardConstaint.VK_F2; break; case "btnF3": key = KeyboardConstaint.VK_F3; break; case "btnF4": key = KeyboardConstaint.VK_F4; break; case "btnF5": key = KeyboardConstaint.VK_F5; break; case "btnF6": key = KeyboardConstaint.VK_F6; break; case "btnF7": key = KeyboardConstaint.VK_F7; break; case "btnF8": key = KeyboardConstaint.VK_F8; break; case "btnF9": key = KeyboardConstaint.VK_F9; break; case "btnF10": key = KeyboardConstaint.VK_F10; break; case "btnF11": key = KeyboardConstaint.VK_F11; break; case "btnF12": key = KeyboardConstaint.VK_F12; break; case "btnENT": case "btnNUMENT": key = KeyboardConstaint.VK_RETURN; break; case "btnWave": key = KeyboardConstaint.VK_OEM_3; break; case "btnSem": key = KeyboardConstaint.VK_OEM_1; break; case "btnQute": key = KeyboardConstaint.VK_OEM_7; break; case "btnSpace": key = KeyboardConstaint.VK_SPACE; break; case "btnBKSP": key = KeyboardConstaint.VK_BACK; break; case "btnComma": key = KeyboardConstaint.VK_OEM_COMMA; break; case "btnFullStop": key = KeyboardConstaint.VK_OEM_PERIOD; break; case "btnLOCK": key = KeyboardConstaint.VK_CAPITAL; break; case "btnMinus": key = KeyboardConstaint.VK_OEM_MINUS; break; case "btnEqual": key = KeyboardConstaint.VK_OEM_PLUS; break; case "btnLBracket": key = KeyboardConstaint.VK_OEM_4; break; case "btnRBracket": key = KeyboardConstaint.VK_OEM_6; break; case "btnPath": key = KeyboardConstaint.VK_OEM_5; break; case "btnDivide": key = KeyboardConstaint.VK_OEM_2; break; case "btnPSC": key = KeyboardConstaint.VK_SNAPSHOT; break; case "btnINS"://Insert键的名称 key = KeyboardConstaint.VK_INSERT;//获取Insert键的键值 break; case "btnDEL"://Delete键的名称 key = KeyboardConstaint.VK_DELETE;//获取Delete键的键值 break; default: isSpacialKey = false; break; } if (!isSpacialKey) { key = (short)button.Name[3];//获取按钮的键值 } button.Tag = key;//在按钮的Tag属性中记录相应的键值 #endregion button.Click += ButtonOnClick;//重载按钮的单击事件 } this.hook = new HookEx.UserActivityHook(true, true); HookEvents(); } private void HookEvents() { this.hook.KeyDown += HookOnGlobalKeyDown;//重载hook类中的自定义事件KeyDown this.hook.KeyUp += HookOnGlobalKeyUp;//重载hook类中的自定义事件KeyUp this.hook.MouseActivity += HookOnMouseActivity;//重载hook类中的自定义事件MouseActivity } private void ButtonOnClick(object sender, EventArgs e)//按键的单击事件 { FecitButton btnKey = sender as FecitButton;//获取当前按键的信息 if (btnKey == null)//如果按键为空值 return; SendKeyCommand(btnKey);//发送按键的信息 } /// <summary> /// 接收并发送按键信息 /// </summary> /// <param keyButton="FecitButton">按键信息</param> private void SendKeyCommand(FecitButton keyButton) { short key = Convert.ToInt16(keyButton.Tag.ToString());//获取当前键的键值 if (combinationVKButtonsMap.ContainsKey(key))//如果键值在键值列表中 { if (keyButton.Checked)//如果按钮处于按下状态 { SendKeyUp(key);//对按钮进行抬起操作 } else { SendKeyDown(key);//对按钮进行按下操作 } } else { //执行按钮按下和抬起的操作 SendKeyDown(key); SendKeyUp(key); } } /// <summary> /// 记录键盘的按下操作的值 /// </summary> /// <param key="short">键值</param> private void SendKeyDown(short key) { Input[] input = new Input[1];//实例化Input[] input[0].type = INPUT.KEYBOARD;//记录当有键值的类型 input[0].ki.wVk = key;//记录当前键值 input[0].ki.time = NativeMethods.GetTickCount();//获取自windows启动以来经历的时间长度(毫秒) //消息的输入 if (NativeMethods.SendInput((uint)input.Length, input, Marshal.SizeOf(input[0])) < input.Length) { throw new Win32Exception(Marshal.GetLastWin32Error());//指定错误的初始化 } } /// <summary> /// 记录键盘抬起操作的值 /// </summary> /// <param key="short">键值</param> private void SendKeyUp(short key) { Input[] input = new Input[1];//实例化Input[] input[0].type = INPUT.KEYBOARD;//记录当有键值的类型 input[0].ki.wVk = key;//记录当前键值 input[0].ki.dwFlags = KeyboardConstaint.KEYEVENTF_KEYUP; input[0].ki.time = NativeMethods.GetTickCount();//获取自windows启动以来经历的时间长度(毫秒) //消息的输入 if (NativeMethods.SendInput((uint)input.Length, input, Marshal.SizeOf(input[0])) < input.Length) { throw new Win32Exception(Marshal.GetLastWin32Error());//指定错误的初始化 } } //键盘的按下事件 private void HookOnGlobalKeyDown(object sender, HookEx.KeyExEventArgs e) { SetButtonStatus(e, true); } //键盘的抬起事件 private void HookOnGlobalKeyUp(object sender, HookEx.KeyExEventArgs e) { SetButtonStatus(e, false); } /// <summary> /// 设置当前按钮的状态 /// </summary> /// <param args="KeyExEventArgs">键信息</param> /// <param isDown="bool">标识,当前键是否按下</param> private void SetButtonStatus(HookEx.KeyExEventArgs args, bool isDown) { IList<FecitButton> buttonList = FindButtonList(args);//查找当有键 if (buttonList.Count <= 0)//如果没有找到 return;//退出本次操作 short key = (short)args.KeyValue;//获取当前键的键值 if (spacialVKButtonsMap.ContainsKey(key))//如果键/值列表中有该键 { if (!isDown)//如果按钮没有被按下 { FecitButton button = spacialVKButtonsMap[key][0];//设置按钮的信息 button.Checked = !button.Checked;//设置当前按钮为按下状态 } } else { foreach (FecitButton button in buttonList)//遍历IList中的所有按钮 { if (button == null)//如果按钮为空 break;//退出循环 button.Checked = isDown;//设置按钮的状态 } } } /// <summary> /// 鼠标事件 /// </summary> /// <param sener="object">鼠标对象</param> /// <param e="MouseExEventArgs">为MouseUp、MouseDown和MouseMove事件提供数据</param> private void HookOnMouseActivity(object sener, HookEx.MouseExEventArgs e) { Point location = e.Location;//获取鼠标的位置 if (e.Button == MouseButtons.Left)//如果是鼠标左键 { Rectangle captionRect = new Rectangle(this.Location, new Size(this.Width, SystemInformation.CaptionHeight));//获取窗体的所在区域 if (captionRect.Contains(location))//如果鼠标在该窗体范围内 { //设置窗体的扩展样式 NativeMethods.SetWindowLong(this.Handle, KeyboardConstaint.GWL_EXSTYLE, (int)NativeMethods.GetWindowLong(this.Handle, KeyboardConstaint.GWL_EXSTYLE) & (~KeyboardConstaint.WS_DISABLED)); //将消息发送给指定窗体 NativeMethods.SendMessage(this.Handle, KeyboardConstaint.WM_SETFOCUS, IntPtr.Zero, IntPtr.Zero); } else { //设置窗体的扩展样式 NativeMethods.SetWindowLong(this.Handle, KeyboardConstaint.GWL_EXSTYLE, (int)NativeMethods.GetWindowLong(this.Handle, KeyboardConstaint.GWL_EXSTYLE) | KeyboardConstaint.WS_DISABLED); } } } /// <summary> /// 在键列表中查找键值 /// </summary> /// <param args="KeyExEventArgs">键信息</param> private IList<FecitButton> FindButtonList(HookEx.KeyExEventArgs args) { short key = (short)args.KeyValue;//获取键值 if (key == KeyboardConstaint.VK_LCONTROL || key == KeyboardConstaint.VK_RCONTROL)//如果是CTRL键 { key = KeyboardConstaint.VK_CONTROL;//记录CTRL键值 } else if (key == KeyboardConstaint.VK_LSHIFT || key == KeyboardConstaint.VK_RSHIFT)//如果是SHIFT键 { key = KeyboardConstaint.VK_SHIFT;//记录SHIFT键值 } else if (key == KeyboardConstaint.VK_LMENU || key == KeyboardConstaint.VK_RMENU)//如果是ALT键 { key = KeyboardConstaint.VK_MENU;//记录ALT键值 } else if (key == KeyboardConstaint.VK_RWIN)//如果是WIN键 { key = KeyboardConstaint.VK_LWIN;//记录WIN键值 } if (combinationVKButtonsMap.ContainsKey(key))//如果在IDictionary的集合中 { return combinationVKButtonsMap[key];//返回当前键的键值 } IList<FecitButton> buttonList = new List<FecitButton>();//实例化IList<FecitButton> foreach (Control ctrl in this.Controls)//遍历当前窗体中的所有控件 { FecitButton button = ctrl as FecitButton;//如果当前控件是FecitButton按钮 if (button == null)//如果当前按钮为空 continue;//重新循环 short theKey = Convert.ToInt16(button.Tag.ToString());//获取当前按钮的键值 if (theKey == key)//如果与当前操作的按钮相同 { buttonList.Add(button);//添加当前操作的按键信息 break; } } return buttonList; } } }