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.386 .model flat,stdcall option casemap:none include \masm32\include\windows.inc include \masm32\include\user32.inc include \masm32\include\kernel32.inc include \masm32\include\comctl32.inc includelib \masm32\lib\user32.lib includelib \masm32\lib\kernel32.lib includelib \masm32\lib\comctl32.lib WinMain proto :DWORD,:DWORD,:DWORD,:DWORD EditBox proto :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD PushButton PROTO :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD EditListView PROTO :DWORD,:DWORD FillEditBox PROTO :DWORD,:DWORD InsertColumn MACRO handle,txt,width LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov col.imask,LVCF_TEXT or LVCF_WIDTH mov col.fmt,0 mov col.lx,width mov col.pszText,offset strng invoke lstrlen,offset strng mov col.cchTextMax,eax invoke SendMessage,handle,LVM_INSERTCOLUMN,0,addr col ENDM InsertItem MACRO handle,txt LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov item.imask,LVIF_TEXT mov item.iItem,0 mov item.iSubItem,0 mov item.pszText,offset strng invoke lstrlen,offset strng mov item.cchTextMax,eax invoke SendMessage,handle,LVM_INSERTITEM,0,addr item ENDM SetItemText MACRO handle,txt,itemnumber,subitemnumber LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov item.imask,LVIF_TEXT mov item.iItem,itemnumber mov item.iSubItem,subitemnumber mov item.pszText,offset strng invoke lstrlen,offset strng mov item.cchTextMax,eax invoke SendMessage,handle,LVM_SETITEMTEXT,0,addr item ENDM RGB macro red,green,blue xor eax,eax mov ah,blue shl eax,8 mov ah,green mov al,red endm .data ClassName db "SimpleWinClass",0 AppName db "Our First Window",0 hListView dd 0 szListViewClass db "SysListView32",0 EditClasName db "EDIT",0 ButtonClassName db "BUTTON",0 ButtonCaption db "Edit The Item",0 Message1 db "No item Selected",0 .data? hInstance HINSTANCE ? CommandLine LPSTR ? buffer db 512 dup(?) col LVCOLUMN item LVITEM ItemEdited dd ? HwndEditBox1 HWND ? HwndEditBox2 HWND ? HwndEditBox3 HWND ? HwndEditBox4 HWND ? HwndEditBox5 HWND ? .Const EditBox1ID equ 701 EditBox2ID equ 702 EditBox3ID equ 703 EditBox4ID equ 704 EditBox5ID equ 705 ButtonID equ 501 .code start: invoke GetModuleHandle, NULL mov hInstance,eax invoke InitCommonControls invoke GetCommandLine mov CommandLine,eax invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT invoke ExitProcess,eax WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD LOCAL wc:WNDCLASSEX LOCAL msg:MSG LOCAL hwnd:HWND mov wc.cbSize,SIZEOF WNDCLASSEX mov wc.style, CS_HREDRAW or CS_VREDRAW mov wc.lpfnWndProc, OFFSET WndProc mov wc.cbClsExtra,NULL mov wc.cbWndExtra,NULL push hInstance pop wc.hInstance mov wc.hbrBackground,COLOR_WINDOW+1 mov wc.lpszMenuName,NULL mov wc.lpszClassName,OFFSET ClassName invoke LoadIcon,NULL,IDI_APPLICATION mov wc.hIcon,eax mov wc.hIconSm,eax invoke LoadCursor,NULL,IDC_ARROW mov wc.hCursor,eax invoke RegisterClassEx, addr wc INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\ WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\ CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,\ hInst,NULL mov hwnd,eax invoke ShowWindow, hwnd,SW_SHOWNORMAL invoke UpdateWindow, hwnd .WHILE TRUE invoke GetMessage, ADDR msg,NULL,0,0 .BREAK .IF (!eax) invoke TranslateMessage, ADDR msg invoke DispatchMessage, ADDR msg .ENDW mov eax,msg.wParam ret WinMain endp WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM LOCAL hEditBox:HWND .IF uMsg==WM_DESTROY invoke PostQuitMessage,NULL .ELSEIF uMsg==WM_CREATE invoke EditBox,NULL,0,220,20,20,hWnd,EditBox1ID mov HwndEditBox1,eax

;To SMURF,I improved the code.Sorry for long writing. .386 .model flat,stdcall option casemap:none include \masm32\include\windows.inc include \masm32\include\user32.inc include \masm32\include\kernel32.inc include \masm32\include\comctl32.inc include \masm32\include\gdi32.inc includelib \masm32\lib\user32.lib includelib \masm32\lib\kernel32.lib includelib \masm32\lib\comctl32.lib includelib \masm32\lib\gdi32.lib WinMain proto :DWORD,:DWORD,:DWORD,:DWORD EditBox proto :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD EditWndProc PROTO :DWORD,:DWORD,:DWORD,:DWORD PushButton PROTO :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD EditListView PROTO :DWORD,:DWORD FillEditBox PROTO :DWORD,:DWORD PutEditBoxesOverItem PROTO HideEditBoxes PROTO InsertColumn MACRO handle,txt,width LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov col.imask,LVCF_TEXT or LVCF_WIDTH mov col.fmt,0 mov col.lx,width mov col.pszText,offset strng invoke lstrlen,offset strng mov col.cchTextMax,eax invoke SendMessage,handle,LVM_INSERTCOLUMN,0,addr col ENDM InsertItem MACRO handle,txt LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov item.imask,LVIF_TEXT mov item.iItem,0 mov item.iSubItem,0 mov item.pszText,offset strng invoke lstrlen,offset strng mov item.cchTextMax,eax invoke SendMessage,handle,LVM_INSERTITEM,0,addr item ENDM SetItemText MACRO handle,txt,itemnumber,subitemnumber LOCAL lbl LOCAL strng jmp lbl strng db txt,0 lbl: mov item.imask,LVIF_TEXT mov item.iItem,itemnumber mov item.iSubItem,subitemnumber mov item.pszText,offset strng invoke lstrlen,offset strng mov item.cchTextMax,eax invoke SendMessage,handle,LVM_SETITEMTEXT,0,addr item ENDM RGB macro red,green,blue xor eax,eax mov ah,blue shl eax,8 mov ah,green mov al,red endm .data ClassName db "SimpleWinClass",0 AppName db "Our First Window",0 hListView dd 0 szListViewClass db "SysListView32",0 EditClasName db "EDIT",0 ButtonClassName db "BUTTON",0 ButtonCaption db "Ok",0 FontName db "Times New Roman TrueType Font",0 hFont dd 0 OurClass db "SUPEREDITCLASS",0 .data? hInstance HINSTANCE ? CommandLine LPSTR ? buffer db 512 dup(?) col LVCOLUMN item LVITEM lf LOGFONT ItemEdited dd ? HwndButton HWND ? HwndEditBox HWND 5 dup(?) OldWndProc dd ? .Const ButtonID equ 501 .code start: invoke GetModuleHandle, NULL mov hInstance,eax invoke InitCommonControls invoke GetCommandLine mov CommandLine,eax invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT invoke ExitProcess,eax WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD LOCAL wc:WNDCLASSEX LOCAL msg:MSG LOCAL hwnd:HWND mov wc.cbSize,SIZEOF WNDCLASSEX mov wc.style, CS_HREDRAW or CS_VREDRAW mov wc.lpfnWndProc, OFFSET WndProc mov wc.cbClsExtra,NULL mov wc.cbWndExtra,NULL push hInstance pop wc.hInstance mov wc.hbrBackground,COLOR_WINDOW+1 mov wc.lpszMenuName,NULL mov wc.lpszClassName,OFFSET ClassName invoke LoadIcon,NULL,IDI_APPLICATION mov wc.hIcon,eax mov wc.hIconSm,eax invoke LoadCursor,NULL,IDC_ARROW mov wc.hCursor,eax invoke RegisterClassEx, addr wc INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\ WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\ CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,\ hInst,NULL mov hwnd,eax invoke ShowWindow, hwnd,SW_SHOWNORMAL invoke UpdateWindow, hwnd .WHILE TRUE invoke GetMessage, ADDR msg,NULL,0,0 .BREAK .IF (!eax) invoke TranslateMessage, ADDR msg invoke DispatchMessage, ADDR msg .ENDW mov eax,msg.wParam ret WinMain endp WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM LOCAL hEditBox:HWND LOCAL wc:WNDCLASSEX .IF uMsg==WM_DESTROY invoke Pos

Thanks for reply & help. I donot mean header control,I mean the head of the column of a listview control,i.e the 1st row which the user can drag to change the widths of columns when the mouse is over a divider & changes to cross like. What is the notification send by the listview to the window. Also I have a bug,when mouse click is over subitem and not over item I see strange text in the edit boxes,?? Thanks for reply.