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procedure TControl.SetTextBuf(Buffer: PChar);
begin
Perform(WM_SETTEXT, 0, Longint(Buffer));
Perform(CM_TEXTCHANGED, 0, 0);
end;
WM_SETTEXT:
begin
P := StrNew(PChar(LParam));
StrDispose(FText);
FText := P;
SendDockNotification(Msg, WParam, LParam);
end;