刚开始接触DDE,照着论文上写了一段程序:现在vb中创建了一个子窗口,添加了一个text控件,生成了.exe文件,
之后又在其中添加了一个text控件,两个选择按钮和两个命令按钮,修改名称后,程序如下:
Const Automatic = 1
Const Manual = 2
Const None = 0Private Sub AutomaticLink_Click()
Request.Visible = False
Text1.LinkMode = None
Text1.LinkMode = Automatic
End SubPrivate Sub Form_Load()
z% = Shell("Source", 1)
z% = DoEvents()
Text1.LinkMode = None
Text1.LinkTopic = "Source|Form1"
Text1.LinkItem = "Text1"
Text1.LinkMode = Manual
ManualLink.Value = True
End SubPrivate Sub ManualLink_Click()
Request.Visible = True
Text1.LinkMode = None
Text1.LinkMode = Manual
End SubPrivate Sub Poke_Click()
Text1.LinkPoke
End SubPrivate Sub Request_Click()
Text1.LinkRequest
End Sub
运行时总是出现DDE初始化时无外部程序,
重新编写了另一个程序:
第一.创建一个工程,名称:Child,窗体名称:FrmChild,添加Text1
输入代码
1. Option Explicit
2.
3. Private Sub Form_LinkExecute(CmdStr As String, Cancel As Integer)
4. Text1.Text = CmdStr
5. Cancel = 0
6. End Sub
复制代码
第二.创建新工程,名称:Main,窗体名称FrmMain,添加Text1
输入代码
1. Option Explicit
2.
3. Private Sub Text1_Change()
4. Dim t As Long
5.
6. Text1.LinkMode = 0
7. Text1.LinkTopic = "Child|frmChild"
8. Text1.LinkMode = 2
9. Text1.LinkExecute Text1.Text
10.
11. t = Text1.LinkTimeout
12. Text1.LinkTimeout = 1
13. Text1.LinkMode = 0
14. Text1.LinkTimeout = t
15. End Sub
运行时,在主窗口输入字符时同样出现[color=#FF00FF]DDE初始化时无外部程序
请问这是软件没装好,还是某些地方没注意,希望高手帮忙指教,谢谢了
之后又在其中添加了一个text控件,两个选择按钮和两个命令按钮,修改名称后,程序如下:
Const Automatic = 1
Const Manual = 2
Const None = 0Private Sub AutomaticLink_Click()
Request.Visible = False
Text1.LinkMode = None
Text1.LinkMode = Automatic
End SubPrivate Sub Form_Load()
z% = Shell("Source", 1)
z% = DoEvents()
Text1.LinkMode = None
Text1.LinkTopic = "Source|Form1"
Text1.LinkItem = "Text1"
Text1.LinkMode = Manual
ManualLink.Value = True
End SubPrivate Sub ManualLink_Click()
Request.Visible = True
Text1.LinkMode = None
Text1.LinkMode = Manual
End SubPrivate Sub Poke_Click()
Text1.LinkPoke
End SubPrivate Sub Request_Click()
Text1.LinkRequest
End Sub
运行时总是出现DDE初始化时无外部程序,
重新编写了另一个程序:
第一.创建一个工程,名称:Child,窗体名称:FrmChild,添加Text1
输入代码
1. Option Explicit
2.
3. Private Sub Form_LinkExecute(CmdStr As String, Cancel As Integer)
4. Text1.Text = CmdStr
5. Cancel = 0
6. End Sub
复制代码
第二.创建新工程,名称:Main,窗体名称FrmMain,添加Text1
输入代码
1. Option Explicit
2.
3. Private Sub Text1_Change()
4. Dim t As Long
5.
6. Text1.LinkMode = 0
7. Text1.LinkTopic = "Child|frmChild"
8. Text1.LinkMode = 2
9. Text1.LinkExecute Text1.Text
10.
11. t = Text1.LinkTimeout
12. Text1.LinkTimeout = 1
13. Text1.LinkMode = 0
14. Text1.LinkTimeout = t
15. End Sub
运行时,在主窗口输入字符时同样出现[color=#FF00FF]DDE初始化时无外部程序
请问这是软件没装好,还是某些地方没注意,希望高手帮忙指教,谢谢了
Text1.LinkMode = 2,是不是我电脑上没装什么相关的程序呀
那么你需要另一个运行的对象,LinkTopic =frmChild ,名称为"Child"