frmcancelsend.frm

rs232通信调试

VERSION 5.00
Begin VB.Form frmCancelSend 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "发送数据"
   ClientHeight    =   1485
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4275
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1485
   ScaleWidth      =   4275
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton cmdCancel 
      Caption         =   "取消发送"
      Height          =   390
      Left            =   1140
      TabIndex        =   0
      Top             =   975
      Width           =   1500
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "Label1"
      Height          =   495
      Left            =   240
      TabIndex        =   1
      Top             =   225
      Width           =   3360
   End
End
Attribute VB_Name = "frmCancelSend"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
DefInt A-Z
Option Explicit
Const SWP_NOMOVE = &H2
Const SWP_NOSIZE = &H1

Private Sub cmdCancel_Click()
'取消发送
CancelSend = True
Unload Me
End Sub

Private Sub Form_Activate()
SetWindowPos hwnd, -1, 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE
End Sub

Private Sub Form_Deactivate()
If Not CancelSend Then
    frmCancelSend.Show
End If
End Sub