dev WaitDialogForm窗体问题vb.net
哪些高手用过dev WaitDialogForm,在窗体加载完之前调用一个WaitDialogForm等待窗体,我用以下代码实现了,一切都正常,但是 就是WaitDialogForm 窗体上的漏斗图标没有动(即静止的),本应该是上下不停翻动的,该如何修改呢??
Public Class Form1
Dim pFrm As WaitDialogForm
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
pFrm = New WaitDialogForm("系统正在加载代理点数据,请稍候...", "提示")
Dim UserSqlstr As String = "SELECT * FROM oitw"
objDataAdpter = New SqlDataAdapter(UserSqlstr, objSqlConnection)
Dim objtable As New DataTable()
objDataAdpter.Fill(objtable)
Me.BindingSource1.DataSource = objtable
Me.GridControl1.DataSource = BindingSource1
pFrm.Dispose()
Catch
MsgBox("错误号:" & Err.Number & "错误描述:" & Err.Description)
End Try
End Sub
End Class
[解决办法]
把你的代码改成如下形式:
Public Class Form1
Dim pFrm As WaitDialogForm
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim th As New Threading.Thread(AddressOf LoadingData)
th.Start()
End Sub
Private Sub LoadingData()
Try
pFrm = New WaitDialogForm("系统正在加载代理点数据,请稍候...", "提示")
Dim UserSqlstr As String = "SELECT * FROM oitw"
objDataAdpter = New SqlDataAdapter(UserSqlstr, objSqlConnection)
Dim objtable As New DataTable()
objDataAdpter.Fill(objtable)
Me.BindingSource1.DataSource = objtable
Me.GridControl1.DataSource = BindingSource1
Catch
MsgBox("错误号:" & Err.Number & "错误描述:" & Err.Description)
End Try
End Sub
End Class