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//---------------------------------------------------------------------------
void __fastcall TForm1::Memo1MouseDown(TObject *Sender,
TMouseButton Button, TShiftState Shift, int X, int Y)
{
nOriginX = X;
nOriginY = Y;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Memo1MouseMove(TObject *Sender, TShiftState Shift,
int X, int Y)
{
if(Shift.Contains(ssLeft))
{
int Offcx = X-nOriginX;
int Offcy = Y-nOriginY;
Memo1->Left+=Offcx;
Memo1->Top += Offcy;
}
}