source: trunk/Include/Classes/System/Windows/Forms/Message.ab@ 303

' Classes/System/Windows/Forms/Message.ab

#ifndef __SYSTEM_WINDOWS_FORMS_MESSAGE_AB__
#define __SYSTEM_WINDOWS_FORMS_MESSAGE_AB__

#require <windows.sbp>

Namespace System
Namespace Windows
Namespace Forms

Class Message
Public
    Const Function HWnd() As HWND
        Return hwnd
    End Function

    Sub HWnd(hw As HWND)
        hwnd = hw
    End Sub

    Const Function Msg() As DWord
        Return msg
    End Function

    Sub Msg(m As DWord)
        msg = m
    End Sub

    Const Function WParam() As WPARAM
        Return wp
    End Function

    Sub WParam(wParam As WPARAM)
        wp = wParam
    End Sub

    Const Function LParam() As LPARAM
        Return lp
    End Function

    Sub LParam(lParam As LPARAM)
        lp = lParam
    End Sub

    Const Function Result() As LRESULT
        Return lr
    End Function

    Sub Result(res As LRESULT)
        lr = res
    End Sub

    /*Const*/ Function Equals(x As Message) As Boolean
        Return hwnd = x.hwnd And _
            msg = x.msg And _
            wp = x.wp And _
            lp = x.lp And _
            lr = x.lr
    End Function

    Override Function GetHashCode() As Long
        Return _System_HashFromPtr(hwnd) Xor (Not msg) Xor _System_HashFromPtr(wp As VoidPtr) Xor _
            (Not _System_HashFromPtr(lp As VoidPtr)) Xor _System_HashFromPtr(lr As VoidPtr)
    End Function

    Const Function Operator ==(x As Message) As BOOL
        Return Equals(x)
    End Function

    Const Function Operator <>(x As Message) As BOOL
        Return Not Equals(x)
    End Function

    Static Function Create(hwnd As HWND, msg As DWord, wp As WPARAM, lp As LPARAM) As Message
        Create = New Message
        With Create
            .hwnd = hwnd
            .msg = msg
            .wp = wp
            .lp = lp
        End With
    End Function

Private
    hwnd As HWND
    msg As DWord
    wp As WPARAM
    lp As LPARAM
    lr As LRESULT
End Class

End Namespace 'Forms
End Namespace 'Widnows
End Namespace 'System

#endif '__SYSTEM_WINDOWS_FORMS_MESSAGE_AB__