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Public Declare Function GetOpenFileName Lib "comdlg32.dll" Alias "GetOpenFileNameA" (pOpenfilename As OPENFILENAME) As Long
Public Type OPENFILENAME
lStructSize As Long
hwndOwner As Long
hInstance As Long
lpstrFilter As String
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Private Declare Function ReleaseCapture Lib "user32" () As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_NCLBUTTONDOWN = &HA1
Private Const HTCAPTION = 2
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Public Declare Function sndPlaySound Lib "winmm" Alias _
"sndPlaySoundA" (ByVal lpszSoundName As String, _
ByVal uFlags As Long) As Long
' flag uitzetten
Public Const SND_SYNC = &H0
Public Const SND_ASYNC = &H1 ......