vb用api调用对话框
建一个模块
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
lpstrCustomFilter As String
nMaxCustFilter As Long
nFilterIndex As Long
lpstrFile As String
nMaxFile As Long
lpstrFileTitle As String
nMaxFileTitle As Long
lpstrInitialDir As String
lpstrTitle As String
flags As Long
nFileOffset As Integer
nFileExtension As Integer
lpstrDefExt As String
lCustData As Long
lpfnHook As Long
lpTemplateName As String
End Type
窗体上放一个编辑框和按钮
Private Sub Command1_Click()
Dim ofn As OPENFILENAME
Dim strRtn As String
ofn.lStructSize = Len(ofn)
ofn.hwndOwner = Me.hwnd
ofn.hInstance = App.hInstance
ofn.lpstrFilter = "所有文件"
ofn.lpstrFile = Space(254)
ofn.nMaxFile = 255
ofn.lpstrFileTitle = Space(254)
ofn.nMaxFileTitle = 255
ofn.lpstrInitialDir = App.Path
ofn.lpstrTitle = "打开文件"
ofn.flags = 6148
rtn = GetOpenFileName(ofn)
If rtn >= 1 Then
Text1.Text = ofn.lpstrFile
Else
Text1.Text = "Cancel Was Pressed"
End If
End Sub
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好了不多罗嗦，以下我来介绍总个程序的细节:
（一）API声明
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Private Sub Form_Load()
Me.Width = Screen.Width
Me.Height = Screen.Height
Me.WindowState = 2
End Sub
置顶
1.在VB的通用代码里写入API声明
Private Declare Function SetWindowPos& Lib "user32" (ByVal hwnd As Long, _
&n ......
