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| Imports System.Runtime.InteropServices
Public Class SendInput
Public Class Mouse
<Flags()> _
Public Enum MouseEventFlags As Int32
LEFTDOWN = &H2 : LEFTUP = &H4
MIDDLEDOWN = &H20 : MIDDLEUP = &H40
RIGHTDOWN = &H8 : RIGHTUP = &H10
WHEEL = &H800 : XDOWN = &H80 : XUP = &H100 : ABSOLUTE = &H8000 : MOVE = &H1
End Enum
#Region "Left Button"
Public Overloads Shared Sub LeftDown()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.LEFTDOWN)
End Sub
Public Overloads Shared Sub LeftDown(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.LEFTDOWN)
End Sub
Public Overloads Shared Sub Leftup()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.LEFTUP)
End Sub
Public Overloads Shared Sub Leftup(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.LEFTUP)
End Sub
Public Overloads Shared Sub LeftClick()
Dim pt As Point = Cursor.Position
Click(pt.X, pt.Y, MouseEventFlags.LEFTDOWN, MouseEventFlags.LEFTUP)
End Sub
Public Overloads Shared Sub LeftClick(ByVal pt As Point)
Click(pt.X, pt.Y, MouseEventFlags.LEFTDOWN, MouseEventFlags.LEFTUP)
End Sub
Public Overloads Shared Sub LeftClick(ByVal x As Integer, ByVal y As Integer)
Click(x, y, MouseEventFlags.LEFTDOWN, MouseEventFlags.LEFTUP)
End Sub
#End Region
#Region "Right Button"
Public Overloads Shared Sub RightDown()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.RIGHTDOWN)
End Sub
Public Overloads Shared Sub RightDown(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.RIGHTDOWN)
End Sub
Public Overloads Shared Sub RightUp()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.RIGHTUP)
End Sub
Public Overloads Shared Sub RightUp(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.RIGHTUP)
End Sub
Public Overloads Shared Sub RightClick()
Dim pt As Point = Cursor.Position
Click(pt.X, pt.Y, MouseEventFlags.RIGHTDOWN, MouseEventFlags.RIGHTUP)
End Sub
Public Overloads Shared Sub RightClick(ByVal x As Integer, ByVal y As Integer)
Click(x, y, MouseEventFlags.RIGHTDOWN, MouseEventFlags.RIGHTUP)
End Sub
Public Overloads Shared Sub RightClick(ByVal pt As Point)
Click(pt.X, pt.Y, MouseEventFlags.RIGHTDOWN, MouseEventFlags.RIGHTUP)
End Sub
#End Region
#Region "Middle Button"
Public Overloads Shared Sub MiddleDown()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.MIDDLEDOWN)
End Sub
Public Overloads Shared Sub MiddleDown(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.MIDDLEDOWN)
End Sub
Public Overloads Shared Sub MiddleUp()
Dim pt As Point = Cursor.Position
MouseKey(pt.X, pt.Y, MouseEventFlags.MIDDLEUP)
End Sub
Public Overloads Shared Sub MiddleUp(ByVal x As Integer, ByVal y As Integer)
MouseKey(x, y, MouseEventFlags.MIDDLEUP)
End Sub
Public Overloads Shared Sub MiddleClick()
Dim pt As Point = Cursor.Position
Click(pt.X, pt.Y, MouseEventFlags.MIDDLEDOWN, MouseEventFlags.MIDDLEUP)
End Sub
Public Overloads Shared Sub MiddleClick(ByVal x As Integer, ByVal y As Integer)
Click(x, y, MouseEventFlags.MIDDLEDOWN, MouseEventFlags.MIDDLEUP)
End Sub
Public Overloads Shared Sub MiddleClick(ByVal pt As Point)
Click(pt.X, pt.Y, MouseEventFlags.MIDDLEDOWN, MouseEventFlags.MIDDLEUP)
End Sub
#End Region
#Region "Wheel"
Private Const WHEEL_DELTA As Int32 = 120
Public Shared Sub WheelRoll(ByVal clicks As Int32)
Dim minp As New MOUSEINPUT
With minp
.dwFlags = MouseEventFlags.WHEEL : .dwExtraInfo = Nothing : .time = 0
.mouseData = clicks * WHEEL_DELTA
End With
Dim inp(0 To 0) As INPUT : inp(0) = New INPUT
With inp(0)
.dwType = InputType.Mouse : .mkhi.mi = minp
End With
Dim ret As Int32 = SendInput(inp.Length, inp, Marshal.SizeOf(inp(0)))
End Sub
#End Region
Private Shared Sub MouseKey(ByVal x As Int32, ByVal y As Int32, ByVal flags As MouseEventFlags)
Dim curpos As Point = Cursor.Position
Cursor.Position = New Point(x, y)
Dim minp As New MOUSEINPUT
With minp
.dx = x : .dy = y : .dwFlags = flags : .dwExtraInfo = Nothing : .time = 0
End With
Dim inp(0 To 0) As INPUT : inp(0) = New INPUT
With inp(0)
.dwType = InputType.Mouse : .mkhi.mi = minp
End With
Dim ret As Int32 = SendInput(inp.Length, inp, Marshal.SizeOf(inp(0)))
Cursor.Position = curpos
End Sub
Private Shared Sub Click(ByVal x As Int32, ByVal y As Int32, ByVal down As MouseEventFlags, ByVal up As MouseEventFlags)
Dim curpos As Point = Cursor.Position
Cursor.Position = New Point(x, y)
Dim minp As New MOUSEINPUT
With minp
.dx = x : .dy = y : .dwFlags = down : .dwExtraInfo = Nothing : .time = 0
End With
Dim inp(0 To 1) As INPUT : inp(0) = New INPUT
With inp(0)
.dwType = InputType.Mouse : .mkhi.mi = minp
End With
inp(1) = inp(0)
inp(1).mkhi.mi.dwFlags = up
Dim ret As Int32 = SendInput(inp.Length, inp, Marshal.SizeOf(inp(0)))
Cursor.Position = curpos
End Sub
End Class ' Mouse
''' <param name="nInputs">The number of structures in the pInputs array</param>
''' <param name="pInputs">An array of INPUT structures. Each structure represents an event to be inserted into the keyboard or mouse input stream.</param>
''' <param name="cbSize">The size, in bytes, of an INPUT structure. If cbSize is not the size of an INPUT structure, the function fails.</param>
''' <returns></returns>
''' <remarks></remarks>
<DllImport("user32.dll", SetLastError:=True)> _
Private Shared Function SendInput(<[In]()> ByVal nInputs As Int32, _
<[In]()> ByVal pInputs() As INPUT, _
<[In]()> ByVal cbSize As Int32) As Int32
End Function
Private Structure INPUT
Dim dwType As InputType
Dim mkhi As MOUSEKEYBDHARDWAREINPUT
End Structure
Private Structure KEYBDINPUT
Public wVk As Int16
Public wScan As Int16
Public dwFlags As Int32
Public time As Int32
Public dwExtraInfo As IntPtr
End Structure
Private Structure HARDWAREINPUT
Public uMsg As Int32
Public wParamL As Int16
Public wParamH As Int16
End Structure
<StructLayout(LayoutKind.Explicit)> _
Private Structure MOUSEKEYBDHARDWAREINPUT
<FieldOffset(0)> Public mi As MOUSEINPUT
<FieldOffset(0)> Public ki As KEYBDINPUT
<FieldOffset(0)> Public hi As HARDWAREINPUT
End Structure
Private Structure MOUSEINPUT
Public dx As Int32
Public dy As Int32
Public mouseData As Int32
Public dwFlags As Int32
Public time As Int32
Public dwExtraInfo As IntPtr
End Structure
Public Enum InputType As Int32
Mouse = 0
Keyboard = 1
Hardware = 2
End Enum
Const INPUT_MOUSE As Int32 = 0
Const INPUT_KEYBOARD As Int32 = 1
Const INPUT_HARDWARE As Int32 = 2
Const KEYEVENTF_EXTENDEDKEY As UInt32 = &H1
Const KEYEVENTF_KEYUP As UInt32 = &H2
Const KEYEVENTF_UNICODE As UInt32 = &H4
Const KEYEVENTF_SCANCODE As UInt32 = &H8
Const XBUTTON1 As UInt32 = &H1
Const XBUTTON2 As UInt32 = &H2
Const MOUSEEVENTF_MOVE As UInt32 = &H1
Const MOUSEEVENTF_LEFTDOWN As UInt32 = &H2
Const MOUSEEVENTF_LEFTUP As UInt32 = &H4
Const MOUSEEVENTF_RIGHTDOWN As UInt32 = &H8
Const MOUSEEVENTF_RIGHTUP As UInt32 = &H10
Const MOUSEEVENTF_MIDDLEDOWN As UInt32 = &H20
Const MOUSEEVENTF_MIDDLEUP As UInt32 = &H40
Const MOUSEEVENTF_XDOWN As UInt32 = &H80
Const MOUSEEVENTF_XUP As UInt32 = &H100
Const MOUSEEVENTF_WHEEL As UInt32 = &H800
Const MOUSEEVENTF_VIRTUALDESK As UInt32 = &H4000
Const MOUSEEVENTF_ABSOLUTE As UInt32 = &H8000
End Class
Public Class Form1
Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown
If e.KeyCode >= Keys.NumPad1 AndAlso e.KeyCode <= Keys.NumPad3 Then
Dim clicks As Int32 = e.KeyCode - Keys.NumPad0
If e.Alt Then clicks = -clicks
SendInput.Mouse.WheelRoll(clicks)
End If
End Sub
Private Sub Form1_MouseWheel(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Me.MouseWheel
Debug.Print(e.Delta.ToString)
End Sub
End Class |
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