'================================================================
'= URLパスを取得しDOSパスに変換
'=    (PathCreateFromUrl.bas)
'================================================================
#include "Windows.bi"

' URLパスを取得しDOSパスに変換
Declare Sub Api_PathCreateFromUrl Lib "shlwapi" Alias "PathCreateFromUrlA" (ByVal pszUrl$, ByVal pszPath$, ByRef pcchPath&, ByVal dwFlags&)

Var Shared Edit1 As Object
Var Shared Text1 As Object
Var Shared Button1 As Object

Edit1.Attach GetDlgItem("Edit1") : Edit1.SetFontSize 14
Text1.Attach GetDlgItem("Text1") : Text1.SetFontSize 14
Button1.Attach GetDlgItem("Button1") : Button1.SetFontSize 14

'================================================================
'= Chr$(0)を取り除く
'================================================================
Declare Function TrimNull (item As String) As String
Function TrimNull(item As String) As String
    Var ePos As Integer

    ePos = Instr(item, Chr$(0))
    If ePos Then
        TrimNull = Left$(item, ePos - 1)
    Else
        TrimNull = item
    End If
End Function

'================================================================
'=
'================================================================
Declare Sub MainForm_Start edecl ()
Sub MainForm_Start()
    Edit1.SetWindowText "file:///C:/dir/myfile.ext"
End Sub

'================================================================
'=
'================================================================
Declare Sub Button1_on edecl ()
Sub Button1_on()
    Var Buff As String
    Var sSave As String

    Buff = String$(100, 0)
    sSave = Edit1.GetWindowText

    Api_PathCreateFromUrl sSave, Buff, Len(Buff), 0
    
    Text1.SetWindowText TrimNull(Buff)
End Sub

'================================================================
'=
'================================================================
While 1
    WaitEvent
Wend
Stop
End