VB 纯API 打开保存对话框
Public Function FileDialog(FormObject As Form, SaveDialog As Boolean, ByVal Title As String, ByVal Filter As String, Optional ByVal FileName As String, Optional ByVal Extention As String, Optional ByVal InitDir As String) As String
Dim OFN As OPENFILENAME
Dim r As Long
If Len(FileName) > MAX_PATH Then Call MsgBox("Filename Length Overflow", vbExclamation, App.Title + " - FileDialog Function"): Exit Function
FileName = FileName + String(MAX_PATH - Len(FileName), 0)
With OFN
.lStructSize = Len(OFN)
.hwndOwner = 0
.hInstance = App.hInstance
.lpstrFilter = Replace(Filter, "|", vbNullChar)
.lpstrFile = FileName
.nMaxFile = MAX_PATH
.lpstrFileTitle = Space$(MAX_PATH - 1)
.nMaxFileTitle = MAX_PATH
.lpstrInitialDir = InitDir
.lpstrTitle = Title
.flags = OFN_HIDEREADONLY Or OFN_OVERWRITEPROMPT Or OFN_CREATEPROMPT
.lpstrDefExt = Extention
End With
Dim L As Long
L = GetTickCount
If SaveDialog Then r = GetSaveFileName(OFN) Else r = GetOpenFileName(OFN)
If GetTickCount - L < 20 Then
OFN.lpstrFile = ""
If SaveDialog Then r = GetSaveFileName(OFN) Else r = GetOpenFileName(OFN)
End If
If r = 1 Then FileDialog = Left$(OFN.lpstrFile, InStr(1, OFN.lpstrFile + vbNullChar, vbNullChar) - 1)
End Function
