To debug a WinForm form program using the console

1. program code structure

2. Win32DebuggerHelper.cs

usingSystem.Runtime.InteropServices;/*TODO: Use method Win32.allocconsole (); Console.WriteLine (@ "I am debugging information: currently running into load events"); */namespacewinformuseconsoletotestprogramdemo{/// <summary>    ///Debug WinForm Program via console console///LDH @ 2018-2-26/// </summary>     Public classWin32debuggerhelper {[DllImport ("Kernel32.dll")]         Public Static extern BOOLAllocConsole (); [DllImport ("Kernel32.dll")]         Public Static extern BOOLFreeconsole (); }}

3. FrmMain.cs

usingSystem;usingSystem.Windows.Forms;namespacewinformuseconsoletotestprogramdemo{/// <summary>    ///Use console console to display debug information in WinForm for easy debugging of WinForm form Programs///LDH @ 2018-2-26/// </summary>     Public Partial classFrmmain:form { PublicFrmmain () {InitializeComponent (); }        #regionNo border form Drag API/// <summary>        ///override the WndProc method to implement form movement and suppress double-click Maximization/// </summary>        /// <param name= "M" >Windows Messages</param>        protected Override voidWndProc (refMessage m) {            Switch(m.msg) { Case 0x4e:                 Case 0xd:                 Case 0xe:                 Case 0x14:                    Base. WndProc (refm);  Break;  Case 0x84://You can drag a form after the mouse point anywhereDefwndproc (refm); if(M.result.toint32 () = =0x01) {M.result=NewINTPTR (0x02); }                     Break;  Case 0xa3://Disable double-click Maximize                     Break; default:                    Base. WndProc (refm);  Break; }        }        #endregion        /// <summary>        ///Form Load Events/// </summary>        /// <param name= "Sender" ></param>        /// <param name= "E" ></param>        Private voidFrmmain_load (Objectsender, EventArgs e) {FormBorderStyle=Formborderstyle.none;            Win32debuggerhelper.allocconsole (); Console.title=@"WinForm using console console to display debug information for easy debugging of WinForm form programs by LDH"; }        /// <summary>        ///Calculation/// </summary>        /// <param name= "Sender" ></param>        /// <param name= "E" ></param>        Private voidBtncalculate_click (Objectsender, EventArgs e)            {console.clear (); Console.WriteLine (@"I have run to method private void Btncalculate_click (object sender, EventArgs e)"); varTEXTBOXNUM1 =TextBoxNumber1.Text.Trim (); varTextBoxNum2 =TextBoxNumber2.Text.Trim (); //if (string. IsNullOrEmpty (TEXTBOXNUM1))//{            //Textboxnumber1.focus (); //return; //}            //if (string. IsNullOrEmpty (textBoxNum2))//{            //Textboxnumber2.focus (); //return; //}            Try            {                varNUM1 =convert.todouble (TEXTBOXNUM1); varnum2 =convert.todouble (TEXTBOXNUM2); Txtresult.text= (num1/num2). ToString ("F"); }            Catch(Exception ex) {Console.WriteLine (@"###########################################################################################"); Console.WriteLine (@"Exception Occurrence location: {1}{0}", Environment.NewLine, ex.                StackTrace); Console.WriteLine (@"Exception method: {1}{0}", Environment.NewLine, ex.                TargetSite); Console.WriteLine (@"###########################################################################################"); }        }    }}

4. program Run video

To debug a WinForm form program using the console