This message determines the width of a specified string, using the specified list view control’s current font. You can send this message explicitly or by using the ListView_GetStringWidth macro.
At a Glance
| Header file: | Commctrl.h | 
| Windows CE versions: | 1.0 and later | 
| Related macro: | ListView_GetStringWidth | 
Syntax
LVM_GETSTRINGWIDTH wParam = 0; 
lParam = (LPARAM)(LPCSTR) psz;
Parameters
psz
Pointer to a null-terminated string
Return Values
The string width indicates success. Zero indicates failure.