Imports System.Runtime.InteropServices
Public Class WinMauseHelpersCore
#Region " Pinvoke "
<DllImport("user32.dll")> _
Private Shared Function GetCursorPos(<[In](), Out()> ByRef pt As System.Drawing.Point) As Boolean
End Function
<DllImport("user32.dll", SetLastError:=True)> _
Private Shared Function ScreenToClient(ByVal hWnd As IntPtr, ByRef lpPoint As System.Drawing.Point) As Boolean
End Function
<DllImport("user32.dll", CharSet:=CharSet.Auto)> _
Private Shared Function GetClientRect(ByVal hWnd As System.IntPtr, ByRef lpRECT As RECT) As Integer
End Function
<DllImport("user32.dll", CharSet:=CharSet.Auto, ExactSpelling:=True)> _
Public Shared Function ShowCursor(ByVal bShow As Boolean) As Integer
End Function
#Region " Structures "
<StructLayout(LayoutKind.Sequential)> _
Public Structure RECT
Private _Left As Integer, _Top As Integer, _Right As Integer, _Bottom As Integer
Public Sub New(ByVal Rectangle As Rectangle)
Me.New(Rectangle.Left, Rectangle.Top, Rectangle.Right, Rectangle.Bottom)
End Sub
Public Sub New(ByVal Left As Integer, ByVal Top As Integer, ByVal Right As Integer, ByVal Bottom As Integer)
_Left = Left
_Top = Top
_Right = Right
_Bottom = Bottom
End Sub
Public Property X As Integer
Get
Return _Left
End Get
Set(ByVal value As Integer)
_Right = _Right - _Left + value
_Left = value
End Set
End Property
Public Property Y As Integer
Get
Return _Top
End Get
Set(ByVal value As Integer)
_Bottom = _Bottom - _Top + value
_Top = value
End Set
End Property
Public Property Left As Integer
Get
Return _Left
End Get
Set(ByVal value As Integer)
_Left = value
End Set
End Property
Public Property Top As Integer
Get
Return _Top
End Get
Set(ByVal value As Integer)
_Top = value
End Set
End Property
Public Property Right As Integer
Get
Return _Right
End Get
Set(ByVal value As Integer)
_Right = value
End Set
End Property
Public Property Bottom As Integer
Get
Return _Bottom
End Get
Set(ByVal value As Integer)
_Bottom = value
End Set
End Property
Public Property Height() As Integer
Get
Return _Bottom - _Top
End Get
Set(ByVal value As Integer)
_Bottom = value + _Top
End Set
End Property
Public Property Width() As Integer
Get
Return _Right - _Left
End Get
Set(ByVal value As Integer)
_Right = value + _Left
End Set
End Property
Public Property Location() As Point
Get
Return New Point(Left, Top)
End Get
Set(ByVal value As Point)
_Right = _Right - _Left + value.X
_Bottom = _Bottom - _Top + value.Y
_Left = value.X
_Top = value.Y
End Set
End Property
Public Property Size() As Size
Get
Return New Size(Width, Height)
End Get
Set(ByVal value As Size)
_Right = value.Width + _Left
_Bottom = value.Height + _Top
End Set
End Property
Public Shared Widening Operator CType(ByVal Rectangle As RECT) As Rectangle
Return New Rectangle(Rectangle.Left, Rectangle.Top, Rectangle.Width, Rectangle.Height)
End Operator
Public Shared Widening Operator CType(ByVal Rectangle As Rectangle) As RECT
Return New RECT(Rectangle.Left, Rectangle.Top, Rectangle.Right, Rectangle.Bottom)
End Operator
Public Shared Operator =(ByVal Rectangle1 As RECT, ByVal Rectangle2 As RECT) As Boolean
Return Rectangle1.Equals(Rectangle2)
End Operator
Public Shared Operator <>(ByVal Rectangle1 As RECT, ByVal Rectangle2 As RECT) As Boolean
Return Not Rectangle1.Equals(Rectangle2)
End Operator
Public Overrides Function ToString() As String
Return "{Left: " & _Left & "; " & "Top: " & _Top & "; Right: " & _Right & "; Bottom: " & _Bottom & "}"
End Function
Public Overloads Function Equals(ByVal Rectangle As RECT) As Boolean
Return Rectangle.Left = _Left AndAlso Rectangle.Top = _Top AndAlso Rectangle.Right = _Right AndAlso Rectangle.Bottom = _Bottom
End Function
Public Overloads Overrides Function Equals(ByVal [Object] As Object) As Boolean
If TypeOf [Object] Is RECT Then
Return Equals(DirectCast([Object], RECT))
ElseIf TypeOf [Object] Is Rectangle Then
Return Equals(New RECT(DirectCast([Object], Rectangle)))
End If
Return False
End Function
End Structure
#End Region
Public Function GetCursorPosition() As System.Drawing.Point
Dim CursorPos As New System.Drawing.Point
GetCursorPos(CursorPos)
Return CursorPos
End Function
Public Function GetClientPosition(ByVal hWnd As IntPtr) As System.Drawing.Point
Dim ClientPos As New System.Drawing.Point
ScreenToClient(hWnd, ClientPos)
Return ClientPos
End Function
Public Function GetClientCursorPosition(ByVal hWnd As IntPtr) As System.Drawing.Point
Dim ClientCursorPos As New System.Drawing.Point
Dim CursorPos As System.Drawing.Point = GetCursorPosition()
Dim ClientPos As System.Drawing.Point = GetClientPosition(hWnd)
ClientCursorPos = New System.Drawing.Point(CursorPos.X + ClientPos.X, CursorPos.Y + ClientPos.Y)
Return ClientCursorPos
End Function
Public Function GetProcessHandle(ByVal ProcessName As String) As IntPtr
If ProcessName.ToLower.EndsWith(".exe") Then ProcessName = ProcessName.Substring(0, ProcessName.Length - 4)
Dim ProcessArray = Process.GetProcessesByName(ProcessName)
If ProcessArray.Length = 0 Then Return Nothing Else Return ProcessArray(0).MainWindowHandle
End Function
#End Region
End Class