c# - WinForm enter fullscreen mode -


this question has answer here:

i have winform application , want enter fullscreen mode , remove bars , task bar. done this:

this.windowstate = formwindowstate.maximized; this.formborderstyle = formborderstyle.none; this.topmost = true;

the top bar hidden windows taskbar still visible. idea can trouble?

run full screen can use method.. 

private void form1_load(object sender, eventargs e) {     this.topmost = true;     this.formborderstyle = formborderstyle.none;     this.windowstate = formwindowstate.maximized; }

to hide taskbar add class project .it works expected.

using system; using system.runtime.interopservices;  public class taskbar {     [dllimport("user32.dll")]     private static extern int findwindow(string classname, string windowtext);      [dllimport("user32.dll")]     private static extern int showwindow(int hwnd, int command);      [dllimport("user32.dll")]     public static extern int findwindowex(int parenthandle, int childafter, string classname, int windowtitle);      [dllimport("user32.dll")]     private static extern int getdesktopwindow();      private const int sw_hide = 0;     private const int sw_show = 1;      protected static int handle     {                 {             return findwindow("shell_traywnd", "");         }     }      protected static int handleofstartbutton     {                 {             int handleofdesktop = getdesktopwindow();             int handleofstartbutton = findwindowex(handleofdesktop, 0, "button", 0);             return handleofstartbutton;         }     }      private taskbar()     {         // hide ctor     }      public static void show()     {         showwindow(handle, sw_show);         showwindow(handleofstartbutton, sw_show);     }      public static void hide()     {         showwindow(handle, sw_hide);         showwindow(handleofstartbutton, sw_hide);     } }

usage:

taskbar.hide();

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