I'm working on a simple program. It will compile,but whenever I press the delete button a message pops up and says it needs to close. I looked at the error details and It's error code was 0xc0000005.
This is the whole code. I'm sorry for posting all of it, but the problem might be somewhere else.
#define _WIN32_IE 0x600
#include "resource.h"
#include <windows.h>
#include <commctrl.h>
#include <string>
#include <vector>
HWND hWndButton2;
HWND hWndButton;
HWND hWndButton3;
HWND hWndEditBox;
HWND hWndEditBox2;
HFONT hFont;
HWND hWnd;
HWND hWndListView;
LVCOLUMN LvCol; // Make Coluom struct for ListView
LVITEM LvItem;
int iSelect = 0;
int i;
int NumOfItems;
/* Declare Windows procedure */
LRESULT CALLBACK WindowProcedure(HWND, UINT, WPARAM, LPARAM);
/* Make the class name into a global variable */
char szClassName[] = "WindowsApp";
int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR
lpszArgument, int nFunsterStil)
{
MSG messages; /* Here messages to the application are saved */
WNDCLASSEX wincl; /* Data structure for the windowclass */
/* The Window structure */
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
wincl.lpfnWndProc = WindowProcedure; /* This function is called by windows */
wincl.style = CS_DBLCLKS; /* Catch double-clicks */
wincl.cbSize = sizeof(WNDCLASSEX);
/* Use default icon and mouse-pointer */
wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
wincl.hCursor = LoadCursor(NULL, IDC_ARROW);
wincl.lpszMenuName = NULL; /* No menu */
wincl.cbClsExtra = 0; /* No extra bytes after the window class */
wincl.cbWndExtra = 0; /* structure or the window instance */
/* Use Windows's default color as the background of the window */
wincl.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
/* Register the window class, and if it fails quit the program */
if (!RegisterClassEx(&wincl))
return 0;
/* The class is registered, let's create the program*/
hWnd = CreateWindowEx(0, /* Extended possibilites for variation */
szClassName, /* Classname */
"To-do list", /* Title Text */
WS_SYSMENU | WS_MINIMIZEBOX, /* default window */
CW_USEDEFAULT, /* Windows decides the position */
CW_USEDEFAULT, /* where the window ends up on the screen */
347, /* The programs width */
266, /* and height in pixels */
HWND_DESKTOP, /* The window is a child-window to desktop */
NULL, /* No menu */
hThisInstance, /* Program Instance handler */
NULL /* No Window Creation data */
);
/* Make the window visible on the screen */
ShowWindow(hWnd, nFunsterStil);
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage(&messages, NULL, 0, 0))
{
/* Translate virtual-key messages into character messages */
TranslateMessage(&messages);
/* Send message to WindowProcedure */
DispatchMessage(&messages);
}
/* The program return-value is 0 - The value that PostQuitMessage() gave */
return messages.wParam;
}
/* This function is called by the Windows function DispatchMessage() */
LRESULT CALLBACK WindowProcedure(HWND hWnd, UINT message, WPARAM wParam, LPARAM
lParam)
{
switch (message) /* handle the messages */
{
case WM_CREATE:
{
//Add Button
HINSTANCE hInstance = (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE);
hWndButton = CreateWindowEx(
0,
"BUTTON",
"ADD",
WS_VISIBLE | WS_CHILD,
250,
0,
90,
20,
hWnd,
(HMENU)IDB_BUTTON,
hInstance,
NULL);
//font
hFont = CreateFont(0, 0, 0, 0, 0, FALSE, FALSE, FALSE, ANSI_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, FF_MODERN,
"Courier New");
//date box
hWndEditBox = CreateWindow(
"EDIT",
"",
WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL,
0,
0,
70,
20,
hWnd,
(HMENU)IDC_EDITBOX_TEXT,
(HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
NULL);
//item button
hWndEditBox2 = CreateWindow("EDIT",
"",
WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL,
75,
0,
175,
20,
hWnd,
(HMENU)IDC_EDITBOX_TEXT2,
(HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
NULL);
SendMessage(hWndEditBox, WM_SETFONT, (WPARAM)hFont, TRUE);
SendMessage(hWndEditBox2, WM_SETFONT, (WPARAM)hFont, TRUE);
//listview
hWndListView = CreateWindowEx(
0L,
WC_LISTVIEW,
"",
WS_VISIBLE | WS_CHILD | LVS_REPORT,
0,
21,
340,
190,
hWnd,
(HMENU)ID_LISTVIEW,
hInstance,
NULL);
ListView_SetExtendedListViewStyle(hWndListView, LVS_EX_FULLROWSELECT);
//Delete button
hWndButton2 = CreateWindowEx(
0,
"BUTTON",
"Delete",
WS_VISIBLE | WS_CHILD,
0,
213,
90,
20,
hWnd,
(HMENU)IDB_BUTTON2, hInstance,
NULL);
//delete all btn
hWndButton3 = CreateWindowEx(
0,
"BUTTON",
"Delete All",
WS_VISIBLE | WS_CHILD,
91,
213,
90,
20,
hWnd,
(HMENU)IDB_BUTTON3,
hInstance,
NULL);
// Here we put the info on the Coulom headers
// this is not data, only name of each header we like
memset(&LvCol, 0, sizeof(LvCol)); // Reset Coluom
LvCol.mask = LVCF_TEXT | LVCF_WIDTH | LVCF_SUBITEM; // Type of mask
LvCol.cx = 0x0; // width between each coloum
LvCol.pszText = "Date"; // First Header
LvCol.cx = 0x40;
// Inserting Couloms as much as we want
SendMessage(hWndListView, LVM_INSERTCOLUMN, 0, (LPARAM) &LvCol);
// Insert/Show the coloum
LvCol.cx = 0x110;
LvCol.pszText = "Item";
SendMessage(hWndListView, LVM_INSERTCOLUMN, 2, (LPARAM) &LvCol);
}
break;
case WM_DESTROY:
PostQuitMessage(0); /* send a WM_QUIT to the message queue */
break;
case WM_COMMAND:
{
switch (LOWORD(wParam))
{
case IDB_BUTTON:
{
switch (HIWORD(wParam))
{
case BN_CLICKED:
int TxtSize = GetWindowTextLength(hWndEditBox) + 1;
char *Entry = new char[TxtSize];
GetWindowText(hWndEditBox, Entry, TxtSize);
int TxtSize2 = GetWindowTextLength(hWndEditBox2) + 1;
char *Entry2 = new char[TxtSize2];
GetWindowText(hWndEditBox2, Entry2, TxtSize2);
LvItem.mask = LVIF_TEXT; // Text Style
LvItem.cchTextMax = 256; // Max size of test
LvItem.iItem = 0; // choose item
LvItem.iSubItem = 0; // Put in first coluom
LvItem.pszText = Entry;
// Text to display (can be from a char variable) (Items)
SendMessage(hWndListView, LVM_INSERTITEM, 0, (LPARAM) &LvItem);
// Send to the Listview
// Insert subitem
LvItem.iSubItem = 1;
LvItem.pszText = Entry2;
SendMessage(hWndListView, LVM_SETITEM, 0, (LPARAM) &LvItem);
// Enter text to SubItems
delete [] Entry;
delete [] Entry2;
NumOfItems++;
break;
}
}
break;
case IDB_BUTTON2:
{
switch (HIWORD(wParam))
{
case BN_CLICKED:
iSelect=SendMessage(hWndListView,LVM_GETNEXTITEM,-1,LVNI_FOCUSED);
SendMessage(hWndListView, LVM_DELETEITEM, iSelect, 0);
NumOfItems--;
using namespace std;
vector<string>* ListViewText;
ListViewText = new vector<string>();
char *text = new char[256];
char *text2 = new char[256];
for(i= 0; i < NumOfItems; i++)
{
ListView_GetItemText(hWndListView, i, 0, text, 256);
ListView_GetItemText(hWndListView, i, 1, text2, 256);
string s = text;
ListViewText[i][0] = s;
string s2 = text2;
ListViewText[i][1] = s2;
}
delete ListViewText;
delete [] text;
delete [] text2;
}
break;
}
case IDB_BUTTON3:
{
switch (HIWORD(wParam))
{
case BN_CLICKED:
SendMessage(hWndListView, LVM_DELETEALLITEMS, 0, 0);
}
break;
}
}
return 0;
}
break;
default:
/* for messages that we don't deal with */
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
Thanks for the help.
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Unsolved 
