Change VBA code to fit 64-bit environment

[Bo Hansson]

Following declarations from my earlier 32-bit environment must be corrected, but I dont know how. Please help...

Declare Function FindWindowByClass Lib "user32" Alias _
"FindWindowA" (ByVal lpClassName As String, ByVal _
lpWindowName As Long) As Long


Declare Function RegisterWindowMessage Lib "user32" Alias _
"RegisterWindowMessageA" (ByVal lpstring As String) As Long


Declare Function FindWindow Lib "user32" Alias _
"FindWindowA" (ByVal lpClassName As Any, ByVal _
lpWindowName As Any) As Long


Declare Function SendMessage Lib "user32" Alias _
"SendMessageA" (ByVal hwnd As Long, ByVal _
wMsg As Long, ByVal wParam As Long, lParam As Any) As Long