Declare Sub mouse_event Lib "user32" Alias "mouse_event" (ByVal dwFlags As Integer, ByVal dx As Integer, ByVal dy As Integer, ByVal cButtons As Integer, ByVal dwExtraInfo As Integer)
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Dim postion1 As New Point
mouse_event(H1 Or H8000, postion1.X * 65535 / 1366, postion1.Y * 65535 / 768, 0, 0)
'按绝对位置移动鼠标
'在鼠标坐标系统中，屏幕在水平和垂直方向上均匀分割成65535×65535个单元，
'当前所用显示屏分辨率为1366*768
'所以要进行如上转换
mouse_event(H2, 0, 0, 0, 0) '鼠标左键按下
mouse_event(H4, 0, 0, 0, 0) '鼠标左键弹起
msdn上有 mouse_event 的详解，大致使用如上
调用api
在Visual Baisc.net中的声明：
Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)
Public Const MOUSEEVENTF_LEFTDOWN = H2 '模拟鼠标左键按下
Public Const MOUSEEVENTF_LEFTUP = H4 ’模拟鼠标左键释放
Public Const MOUSEEVENTF_MIDDLEDOWN = H20 '模拟鼠标中间键按下
Public Const MOUSEEVENTF_MIDDLEUP = H40 '模拟鼠标中间键释放
Public Const MOUSEEVENTF_RIGHTDOWN = H8 '模拟鼠标右键按下
Public Const MOUSEEVENTF_RIGHTUP = H10 '模拟鼠标右键释放
Public Const MOUSEEVENTF_MOVE = H1 '模拟鼠标指针移动
例：
mouse_event MOUSEEVENTF_LEFTDOWN,10,10,0,0
'在（10，10）模拟鼠标左键按下
Imports System.Runtime.InteropServices
DllImport("user32.dll")
Private Shared Function SetCursorPos(ByVal X As Integer, ByVal Y As Integer) As Boolean End Function
DllImport("user32.dll")
Private Shared Sub mouse_event(ByVal flags As MouseEventFlag, ByVal dx As Integer, ByVal dy As Integer, ByVal data As UInteger, ByVal extraInfo As UIntPtr) End Sub
Flags()
Private Enum MouseEventFlag As UInteger
Move = H1
LeftDown = H2
LeftUp = H4
RightDown = H8
RightUp = H10
MiddleDown = H20
MiddleUp = H40
XDown = H80
XUp = H100
Wheel = H800
VirtualDesk = H4000
Absolute = H8000
End Enum
SetCursorPos(intX, intY)mouse_event(MouseEventFlag.LeftDown, intX, intY, 0, UIntPtr.Zero)
mouse_event(MouseEventFlag.LeftUp, intX, intY, 0, UIntPtr.Zero)
