diff --git a/.gitignore b/.gitignore
index 50322ed..aa7bac3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 .vscode/tasks.json
 main.obj
 main.exe
+sha-256.obj
+.vscode/tasks.json.etalon
diff --git a/SDI.inc b/SDI.inc
index c524f98..fceebdb 100644
--- a/SDI.inc
+++ b/SDI.inc
@@ -14,6 +14,42 @@ IncludeLib kernel32.lib
 ;IncludeLib debug.lib
 
 .DATA
+;Макросы
+MAKELANGID		macro p:REQ,s:REQ                       ;Макрос создающий идентификатор языка
+                m$__langid = (s SHL 10) or p            ;
+			    EXITM <m$__langid>                      ;
+endm
+; -------------------------------------------------------------------------
+DU MACRO name, string
+  name PROC
+    DU1 string 
+  name ENDP
+ENDM
+; -------------------------------------------------------------------------
+DU1 MACRO string
+  LOCAL bslash
+  bslash=0
+  IRPC c,<string>
+    IF bslash EQ 0
+	  IF '&c' EQ "\" ;;управляющая последовательность символов
+	    bslash=1
+      ELSEIF '&c' GT 127
+	    DB ('&c'- 0B0h), 4 ;;кириллица
+	  ELSE
+	    DW '&c'          ;;латиница
+	  ENDIF
+    ELSE
+      bslash=0
+	  IF '&c' EQ "n"    ;;  \n = новая строка
+        DW 0Dh
+      ELSEIF '&c' EQ "r";;  \r = возврат каретки
+        DW 0Ah
+      ENDIF
+    ENDIF
+  ENDM
+  DW 0
+ENDM
+; -------------------------------------------------------------------------
 ClassName		DB "MainWinClass",0
 szAppName		DB "SDI Application",0
 MenuName		DB "FirstMenu",0
@@ -21,13 +57,20 @@ szFileNew		DB "You selected 'New'.",0
 szFileOpen		DB "You selected 'Open'.",0
 szHelpAbout		DB "You selected 'About'.",0
 
+DU ButtonClassName,<button>
+
+DU ButtonText,<Запуск>
+
+
 .DATA?
 hInstance		HINSTANCE ?
 CommandLine		LPSTR ?
 hMenu			HMENU ?
+hwndButton      HWND ?
 
 .CONST
 IDM_FILE_NEW	EQU 1
 IDM_FILE_OPEN	EQU 2
 IDM_HELP_ABOUT	EQU 3
 IDM_FILE_EXIT	EQU 4
+ButtonID        equ 5
diff --git a/main.asm b/main.asm
index a755160..59ceb00 100644
--- a/main.asm
+++ b/main.asm
@@ -13,10 +13,10 @@ Start:
 	Invoke WinMain, hInstance, NULL, CommandLine, SW_SHOWDEFAULT
 	Invoke ExitProcess,EAX
 WinMain Proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
-Local wc:WNDCLASSEX
+Local wc:WNDCLASSEXW
 Local msg:MSG
 Local hwnd:HWND
-	MOV wc.cbSize, SizeOf WNDCLASSEX
+	MOV wc.cbSize, SizeOf WNDCLASSEXW
 	MOV wc.style, CS_HREDRAW or CS_VREDRAW
 	MOV wc.lpfnWndProc, Offset WndProc
 	MOV wc.cbClsExtra,NULL
@@ -31,10 +31,13 @@ Local hwnd:HWND
 	MOV wc.hIconSm,0
 	Invoke LoadCursor, NULL, IDC_ARROW
 	MOV wc.hCursor,EAX
-	Invoke RegisterClassEx, addr wc
-	Invoke LoadMenu, hInst, Offset MenuName
+	Invoke RegisterClassExW, addr wc
+	.if eax==NULL
+		Invoke MessageBox, NULL,ADDR szHelpAbout, Offset szAppName, MB_OK
+	.endif
+	Invoke LoadMenuW, hInst, Offset MenuName
 	MOV hMenu,EAX
-	Invoke CreateWindowEx, WS_EX_CLIENTEDGE, ADDR ClassName, ADDR szAppName,\
+	Invoke CreateWindowExW, WS_EX_CLIENTEDGE, Offset ClassName, Offset szAppName,\
            WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,\
            CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, hMenu,\
            hInst, NULL
@@ -42,10 +45,10 @@ Local hwnd:HWND
 	Invoke ShowWindow, hwnd, SW_SHOWNORMAL
 	Invoke UpdateWindow, hwnd
 	.While TRUE
-		Invoke GetMessage, ADDR msg, NULL, 0, 0
+		Invoke GetMessageW, ADDR msg, NULL, 0, 0
 		.Break .If (!EAX)
 		Invoke TranslateMessage, ADDR msg
-		Invoke DispatchMessage, ADDR msg
+		Invoke DispatchMessageW, ADDR msg
 	.EndW
 	MOV EAX, msg.wParam
 	RET
@@ -55,15 +58,30 @@ WndProc Proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
 		Invoke PostQuitMessage, NULL
 	.ElseIf uMsg==WM_COMMAND
 		MOV EAX,wParam
-		.If AX==IDM_FILE_NEW
-			Invoke MessageBox, NULL, ADDR szFileNew, Offset szAppName, MB_OK
-		.ElseIf AX==IDM_FILE_OPEN
-			Invoke MessageBox, NULL, ADDR szFileOpen, Offset szAppName, MB_OK
-		.ElseIf AX==IDM_HELP_ABOUT
-			Invoke MessageBox, NULL,ADDR szHelpAbout, Offset szAppName, MB_OK
-		.Else
-			Invoke DestroyWindow, hWnd
-		.EndIf
+		.if lParam==0
+			.If AX==IDM_FILE_NEW
+				Invoke MessageBox, NULL, ADDR szFileNew, Offset szAppName, MB_OK
+			.ElseIf AX==IDM_FILE_OPEN
+				Invoke MessageBox, NULL, ADDR szFileOpen, Offset szAppName, MB_OK
+			.ElseIf AX==IDM_HELP_ABOUT
+				Invoke MessageBox, NULL,ADDR szHelpAbout, Offset szAppName, MB_OK
+			.Else
+				Invoke DestroyWindow, hWnd
+			.EndIf
+		.ELSE
+			.IF ax==ButtonID 	;Если нажата кнопка, то
+				shr eax,16		;сдвигаем EAX на 4 бита вправо, чтобы поместить в AX значение верхнего слова wParam
+				.IF ax==BN_CLICKED
+                       invoke MessageBoxExW, hWnd, ADDR ButtonText, ADDR ButtonText,MB_OK,MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT)
+                .ENDIF
+			.EndIf
+		.ENDIF	
+	.ELSEIF uMsg==WM_CREATE
+		invoke CreateWindowExW,NULL, Offset ButtonClassName,Offset ButtonText,\
+                        WS_CHILD or WS_VISIBLE or BS_DEFPUSHBUTTON,\
+                        75,70,140,25,hWnd,ButtonID,hInstance,NULL
+		mov  hwndButton,eax 
+	
 	.Else
 		Invoke DefWindowProc, hWnd, uMsg, wParam, lParam
 		RET
diff --git a/sha-256.asm b/sha-256.asm
index e69de29..83b58f7 100644
--- a/sha-256.asm
+++ b/sha-256.asm
@@ -0,0 +1,35 @@
+.386
+.model flat,stdcall
+option casemap:none
+include include\windows.inc
+include include\user32.inc
+include include\kernel32.inc
+includelib user32
+includelib kernel32
+
+.data
+AppName db "DLL Skeleton",0
+HelloMsg db "Hello, you're calling a function in this DLL",0
+LoadMsg db "The DLL is loaded",0
+UnloadMsg db "The DLL is unloaded",0
+ThreadCreated db "A thread is created in this process",0
+ThreadDestroyed db "A thread is destroyed in this process",0
+.code
+DllEntry proc hInstance:HINSTANCE, reason:DWORD, reserved1:DWORD
+	.if reason==DLL_PROCESS_ATTACH
+		invoke MessageBox,NULL,addr LoadMsg,addr AppName,MB_OK
+	.elseif reason==DLL_PROCESS_DETACH
+		invoke MessageBox,NULL,addr UnloadMsg,addr AppName,MB_OK
+	.elseif reason==DLL_THREAD_ATTACH
+		invoke MessageBox,NULL,addr ThreadCreated,addr AppName,MB_OK
+	.else        ; DLL_THREAD_DETACH
+		invoke MessageBox,NULL,addr ThreadDestroyed,addr AppName,MB_OK
+	.endif
+	mov  eax,TRUE
+	ret
+DllEntry Endp
+TestHello proc
+	invoke MessageBox,NULL,addr HelloMsg,addr AppName,MB_OK
+	ret	
+TestHello endp
+End DllEntry
\ No newline at end of file