C # Tray Program instance double-click the display form to minimize to the pallet

Click Taskbar Display-Hide toggle, context menu, snap close form event

 Public partial class Frmmain:form {public Frmmain () {InitializeComponent (); #region Unregister public void Logout () {if (MessageBox.Show ("Confirm to exit?                "," hint ", messageboxbuttons.okcancel) = = DialogResult.OK) {notifyicon1.visible = false;                FormCollection FC = Application.openforms; if (FC! = NULL && FC.                        Count > 0) {foreach (Form window in FC) { Window.                    Hide ();                }} cachehelper.currentusrname = "";                Cachehelper.currentroleid = 0;                Frmlogin fl = new Frmlogin (); Fl.            Show ();        }} private void Logout login Toolstripmenuitem_click (object sender, EventArgs e) {Logout (); } #endregion #region Change password private void Change password Toolstripmenuitem_click (object seNDEr, EventArgs e) {frmchangepwd FCP = new Frmchangepwd (); Fcp.        Show (); } #endregion private void Frmmain_load (object sender, EventArgs e) {} private void frm Main_formclosing (object sender, FormClosingEventArgs e) {if (MessageBox.Show ("Confirm to exit?")            "," hint ", messageboxbuttons.okcancel) = = DialogResult.OK) {Logout ();            } else {e.cancel = true;        }} private void maximized Toolstripmenuitem_click (object sender, EventArgs e) {Showwin ();        } private void Exits Toolstripmenuitem_click (object sender, EventArgs e) {Logout (); The private void Frmmain_sizechanged (object sender, EventArgs e) {if (this.            WindowState = = formwindowstate.minimized) {Hidewin (); }} private void Notifyicon1_mouseclick (ObjeCT sender, MouseEventArgs e) {if (E.button = = mousebuttons.right) {Contextme            Nustrip1.show (mouseposition.x, MOUSEPOSITION.Y);            } else {Showwin (); }} #region hide the show form///<summary>///Hide Form///</summary> private Voi            D Hidewin () {this.notifyIcon1.Visible = true; This.        Hide ();            }///<summary>///Show main form//</summary> private void Showwin () {            if (Visible) {Hidewin ();                } else {/////Note here The order is important, first show after the set State Show ();            WindowState = Formwindowstate.normal; }} #endregion}

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