My struct is global, isn't?

Code:

---

typedef struct {
        HINSTANCE hInstance;
        HWND hListView;
        char* szNombre;
        char* szPC;
} CLIENTESINFO, *LPCLIENTESINFO;

---

As global:

Code:

---

CLIENTESINFO ci;

---

First calling is from a child dialog proc.

Code:

---

char nom[128], pc[12];
GetDlgItemText(hDlg, IDC_EDIT1, nom, sizeof(nom)+1);
ci.szNombre = nom;
GetDlgItemText(hDlg, IDC_EDIT2, pc, sizeof(pc)+1);
ci.szPC =  pc;

---

Second call is from the main WinProc:

Code:

---

char t[12];
int total = ListView_GetItemCount(ci.hListView);
wsprintf(t, "%i", total+1);
InsertItem(ci.hListView, total, 0, t); // t is current position and it shows correctly
InsertItem(ci.hListView, total, 1, ci.szNombre); // empty string

---

InsertItem prototype:

Code:

---

void InsertItem(HWND hList, int iItemNo, int iSubNo, char *lpszText) {
        LVITEM item = {0};
        item.mask = LVIF_TEXT;
        item.pszText = lpszText;
        item.iItem = iItemNo;
        item.iSubItem = iSubNo;
        if (iSubNo == 0)
                ListView_InsertItem(hList, &item);
        else
                ListView_SetItem(hList, &item);
        return;
}

---

Now my question is, why the listview always shows a empty string? Isn't the struct global? Thanks

Your struct is global, but nom[] and pc[] are locals, and szNombre and szPC point to those locals. Your should allocate memory for szNombre and szPC using winapi/new/malloc and copy those strings to that memory.

Yeah!

I see your point, that's why I change my struct to class ;)

There is no significant difference between struct and class in C++, so you would have the same issue with each. Also, you don't need the typedef stuff for declaring structs in C++, use the same syntax as you do for classes (unless you share your struct with C code).