C# Form窗體的功能操作,無邊框窗體的移動，無邊框窗體的尺寸縮放,儲存和恢復窗體的尺寸和座標資訊
阿新 • • 發佈：2019-02-01
/// <summary> /// 此類用於實現一些可用於Form窗體的功能操作 /// </summary> class FormTool { //using System.Runtime.InteropServices; [DllImport("user32.dll")] public static extern bool ReleaseCapture(); [DllImport("user32.dll")] public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam); # region 無邊框窗體的移動 // 在Form的MouseDown(object sender, MouseEventArgs e)事件中呼叫此函式，可控制窗體移動 public static void MouseDown_MoveForm(Form form) { //常量 int WM_SYSCOMMAND = 0x0112; //窗體移動 int SC_MOVE = 0xF010; int HTCAPTION = 0x0002; ReleaseCapture(); SendMessage(form.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0); saveFormInfo(form); // 儲存介面資訊 } # endregion # region 無邊框窗體的尺寸縮放 public static int formResizeMode = 0; // 此處指定窗體尺寸修改的模式 // 在Form的MouseDown(object sender, MouseEventArgs e)事件中呼叫此函式，可調整窗體大小 public static void MouseDown_ResizeForm(Form form) { //常量 int WM_SYSCOMMAND = 0x0112; ////改變窗體大小 //int WMSZ_LEFT = 0xF001; //int WMSZ_RIGHT = 0xF002; //int WMSZ_TOP = 0xF003; //int WMSZ_TOPLEFT = 0xF004; //int WMSZ_TOPRIGHT = 0xF005; //int WMSZ_BOTTOM = 0xF006; //int WMSZ_BOTTOMLEFT = 0xF007; //int WMSZ_BOTTOMRIGHT = 0xF008; if (formResizeMode == 0) return; // 若無縮放模式，則返回 ReleaseCapture(); SendMessage(form.Handle, WM_SYSCOMMAND, formResizeMode, 0); //SendMessage(form.Handle, WM_SYSCOMMAND, WMSZ_BOTTOM, 0); //SendMessage(this.Handle, WM_SYSCOMMAND, WMSZ_TOP, 0); } // 在處於最前端的控制元件的MouseMove事件中呼叫此函式，根據滑鼠位置設定對應的縮放模式 public static void MouseMove(object sender, MouseEventArgs e) { Control ctrl = (Control)sender; // 獲取滑鼠處的控制元件 Rectangle client = ctrl.ClientRectangle; // 獲取控制元件尺寸 setSizeMode(client, new Point(e.X, e.Y), 10); // 根據滑鼠在區域client中的位置設定縮放模式 //MessageBox.Show("滑鼠座標:" + e.X + "," + e.Y + " 窗體尺寸" + client.Width + "," + client.Height); } // 根據座標 x,y 在rect上的位置控制尺寸調節模式 private static void setSizeMode(Rectangle R, Point P, int W) { formResizeMode = getSizeMode(R, P, W); } // 根據座標 x,y 在rect上的位置控制尺寸調節模式 private static int getSizeMode(Rectangle R, Point P, int W) { //改變窗體大小相關引數 int WMSZ_LEFT = 0xF001; int WMSZ_RIGHT = 0xF002; int WMSZ_TOP = 0xF003; int WMSZ_TOPLEFT = 0xF004; int WMSZ_TOPRIGHT = 0xF005; int WMSZ_BOTTOM = 0xF006; int WMSZ_BOTTOMLEFT = 0xF007; int WMSZ_BOTTOMRIGHT = 0xF008; // 中間區域 Rectangle main = new Rectangle(R.Left + W, R.Top + W, R.Width - 2 * W, R.Height - 2 * W); if (main.Contains(P)) return 0; // 左側區域 Rectangle LeftRect = new Rectangle(R.Left + W, R.Top + W, W, R.Height - 2 * W); if (LeftRect.Contains(P)) return WMSZ_LEFT; // 右側區域 Rectangle RightRect = new Rectangle(R.Right - W, R.Top + W, W, R.Height - 2 * W); if (RightRect.Contains(P)) return WMSZ_RIGHT; // 頂部區域 Rectangle TopRect = new Rectangle(R.Left + W, R.Top, R.Width - 2 * W, W); if (TopRect.Contains(P)) return WMSZ_TOP; // 底部區域 Rectangle BottomRect = new Rectangle(R.Left + W, R.Bottom - W, R.Width - 2 * W, W); if (BottomRect.Contains(P)) return WMSZ_BOTTOM; // 左上區域 Rectangle TOPLEFT = new Rectangle(R.Left, R.Top, W, W); if (TOPLEFT.Contains(P)) return WMSZ_TOPLEFT; // 右上區域 Rectangle TOPRIGHT = new Rectangle(R.Right - W, R.Top, W, W); if (TOPRIGHT.Contains(P)) return WMSZ_TOPRIGHT; // 左下區域 Rectangle BOTTOMLEFT = new Rectangle(R.Left, R.Bottom - W, W, W); if (BOTTOMLEFT.Contains(P)) return WMSZ_BOTTOMLEFT; // 右下區域 Rectangle BOTTOMRIGHT = new Rectangle(R.Right - W, R.Bottom - W, W, W); if (BOTTOMRIGHT.Contains(P)) return WMSZ_BOTTOMRIGHT; return 0; } # endregion # region 儲存和恢復窗體的尺寸和座標資訊 // 儲存窗體屬性資訊到登錄檔中 public static void saveFormInfo(Form form) { if (form == null) return; String formKey = form.Text; // 獲取窗體名稱 Point P = form.Location; // 獲取窗體form的座標位置 string formInfo = form.Width + "_" + form.Height + "_" + P.X + "_" + P.Y; // 儲存窗體資訊到登錄檔 Tool.RegistrySave(@"Scimence\TaskManager\Set\FormInfo", formKey, formInfo); } // 從登錄檔中獲取資訊並設定窗體屬性 public static void RestoreFormInfo(Form form) { if (form == null) return; String formKey = form.Text; // 獲取窗體名稱 // 獲取資訊 string formInfo = Tool.RegistryStrValue(@"Scimence\TaskManager\Set\FormInfo", formKey); if (formInfo.Equals("")) saveFormInfo(form); else { string[] info = formInfo.Split('_'); form.Width = Tool.toInt(info[0], form.Width); form.Height = Tool.toInt(info[1], form.Height); int x = Tool.toInt(info[2], form.Location.X); int y = Tool.toInt(info[3], form.Location.Y); form.Location = new Point(x, y); } } # endregion #region 控制窗體在桌面邊緣區域的自動隱藏 private static Dictionary<string, Timer> DeactivateTimer = new Dictionary<string, Timer>(); private static Timer getTimer(String formKey) { Timer timer; if (DeactivateTimer.ContainsKey(formKey)) timer = DeactivateTimer[formKey]; else { timer = new Timer(); DeactivateTimer.Add(formKey, timer); } return timer; } // private void FloatMenu_Deactivate(object sender, EventArgs e) { MessageBox.Show("FloatMenu_Deactivate"); } // 控制窗體在桌面邊緣的隱藏 public static void BorderHide(Form form) { if (form == null) return; String formKey = form.Text; // 獲取窗體名稱 getTimer(formKey); // 判定窗體form在桌面中的位置隱藏邏輯 //if } //SystemInformation.WorkingArea.Width #endregion #region 控制Form2在Form1的下方停靠 // 記錄Form的停靠資訊 public static Dictionary<string, string> dockFormInfo = new Dictionary<string, string>(); // 設定Form2停靠於Form1的下方 public static void setDock(Form form1, Form form2) { Rectangle Rect1 = form1.ClientRectangle; Rectangle Rect2 = form2.ClientRectangle; if (Math.Abs(Rect1.Bottom - Rect2.Bottom) < 10 && Math.Abs(Rect1.Left - Rect2.Left) < 30) { } } #endregion // 設定form2自動顯示在form1的兩邊 public static void AutoLocation_OnSide(Form form1, Form form2) { int x = form1.Location.X + form1.Width + 10; if (x > SystemInformation.WorkingArea.Width - form2.Width) x = form1.Location.X - form2.Width - 10; form2.Location = new Point(x, form1.Location.Y); } }