The EN_CHANGE notification message is sent when the user has taken an action that may have altered text in an edit control. Unlike the EN_UPDATE notification message, this notification message is sent after Windows updates the screen. The parent window of the edit control receives this notification message through the WM_COMMAND message.
EN_CHANGE idEditCtrl = (int) LOWORD(wParam); // identifier of edit control hwndEditCtrl = (HWND) lParam; // handle of edit control
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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