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ÓÃMoveToExÒÆ»­±ÊλÖÃ
The MoveToEx function updates the current position to the specified point and optionally returns the previous position. 

BOOL MoveToEx(
  HDC hdc, // handle to device context
  int X, // x-coordinate of new current position
  int Y, // y-coordinate of new current position
  LPPOINT lpPoint // pointer to old current position
);



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VB code:
Option Explicit
Private Declare Function LineTo Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long) As Long
Private Declare Function MoveToEx Lib "gdi32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, lpPoint As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hwnd As


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