Hi everyone. I'm having trouble getting groups working in a list box.I'm trying to have two groups. One will be "Done", and the other will be "todo". I'm getting these errors:
In function `LRESULT WindowProcedure(HWND__*, UINT, WPARAM, LPARAM)':
`ListView_EnableGroupView' undeclared (first use this function)
(Each undeclared identifier is reported only once for each function it appears in.)
`LVGROUP' undeclared (first use this function)
expected `;' before "lg"
`lg' undeclared (first use this function)
`LVGF_HEADER' undeclared (first use this function)
`LVGF_GROUPID' undeclared (first use this function)
`ListView_InsertGroup' undeclared (first use this function)
[Build Error] [main.o] Error 1
Could someone please help.
This is my code:
#define _WIN32_ 0x600
#include <windows.h>
#include <commctrl.h>
#include "resource.h"
HWND hWndButton;
HWND hWndEditBox;
HFONT hFont;
HWND hWnd;
HWND hWndListView;
LVCOLUMN LvCol; // Make Coluom struct for ListView
/* 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 */
340, /* The programs width */
210, /* 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:
{
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);
hFont = CreateFont(0, 0, 0, 0, 0, FALSE, FALSE, FALSE, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, FF_MODERN, "Courier New");
hWndEditBox = CreateWindow(
"EDIT",
"",
WS_VISIBLE | WS_CHILD | ES_AUTOHSCROLL,
0,
0,
250,
20,
hWnd,
(HMENU)IDC_EDITBOX_TEXT,
(HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE),
NULL);
SendMessage(hWndEditBox, WM_SETFONT, (WPARAM)hFont, TRUE);
hWndListView = CreateWindowEx(0L, WC_LISTVIEW, "", WS_VISIBLE | WS_CHILD | LVS_REPORT,
0, 21, 340, 190, hWnd,
(HMENU) ID_LISTVIEW, hInstance, NULL);
//Groups
ListView_EnableGroupView(hWndListView, TRUE);
LVGROUP lg;
lg.cbSize = sizeof(LVGROUP);
lg.mask = LVGF_HEADER | LVGF_GROUPID;
lg.pszHeader = L"To-do";
lg.iGroupId = 101;
ListView_InsertGroup(hWndListView, -1, &lg);
lg.pszHeader = L"Done";
lg.iGroupId = 102;
ListView_InsertGroup(hWndListView, -1, &lg);
// 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="Time"; // First Header
LvCol.cx=0x28;
// Inserting Couloms as much as we want
SendMessage(hWndListView,LVM_INSERTCOLUMN,0,(LPARAM)&LvCol); // Insert/Show the coloum
LvCol.cx=0x125;
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);
MessageBox (hWnd, Entry, "", MB_OK | MB_ICONINFORMATION);
delete[] Entry;
break;
}
}
break;
}
return 0;
}
break;
default: /* for messages that we don't deal with */
return DefWindowProc (hWnd, message, wParam, lParam);
}
return 0;
}