if (!IsClipboardFormatAvailable(CF_TEXT)) 
return; 
if (!OpenClipboard(hwndMain)) 
return; 
hglb = GetClipboardData(CF_TEXT); 
if (hglb != NULL) 
{ 
lptstr = GlobalLock(hglb); 
if (lptstr != NULL) 
{ 
// Call the application-defined ReplaceSelection 
// function to insert the text and repaint the 
// window. 
ReplaceSelection(hwndSelected, pbox, lptstr); 
GlobalUnlock(hglb); 
} 
}