如何在VB.net中用程序控制鼠标移动和点击

调用api

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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

vb.net中,如何实现鼠标在listbox控件上移动时,鼠标所到的条目背景变黑、字变白；移开后还原?

复杂的不会，来点儿简单的，借用在listbox里按下鼠标时再移动，会高亮显示选择行，并且会随鼠标移动而变化的这一特点改进的，不足之处是在listbox里，此时处于鼠标左键在按下状态。

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

Private Sub ListBox1_MouseMove(sender As Object, e As MouseEventArgs) Handles ListBox1.MouseMove

mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0)

End Sub

VB.net鼠标事件模拟问题

直接把消息发送给TextBox。

Dim x As Integer, y As Integer

x = 100

y = 100

PostMessage(TextBox1.Handle.ToInt32, WM_LBUTTONDOWN, MK_LBUTTON, MakeInteger(x, y))

PostMessage(TextBox1.Handle.ToInt32, WM_LBUTTONUP, MK_LBUTTON, MakeInteger(x, y))

VB.NET模拟鼠标问题

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)

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

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