Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long Private Declare Function SetWindowText Lib "user32" Alias "SetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String) As LongPrivate Sub Command1_Click()
Dim lngRet As Long Dim strA As String Dim strKey As String
strKey = "Form1" lngRet = FindWindow(strA, strKey) If lngRet <> 0 Then lngRet = SetWindowText(lngRet, "修改的标题") End If
End Sub
'改变窗口标题 Private Declare Function SetWindowText Lib "user32" _ Alias "SetWindowTextA" (ByVal hwnd As Long, _ ByVal lpString As String) As Long Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal _ lpClassName As String, ByVal lpWindowName As String) As LongPrivate Sub Command1_Click() Dim hwndCalc As Long hwndCalc = FindWindow(vbNullString, "Form2") SetWindowText hwndCalc, "Welcome to VB" End SubPrivate Sub Command2_Click() Form2.Show End Sub
Private Declare Function SetWindowText Lib "user32" Alias "SetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String) As LongPrivate Sub Command1_Click()
Dim lngRet As Long
Dim strA As String
Dim strKey As String
strKey = "Form1"
lngRet = FindWindow(strA, strKey)
If lngRet <> 0 Then
lngRet = SetWindowText(lngRet, "修改的标题")
End If
End Sub
Private Declare Function SetWindowText Lib "user32" _
Alias "SetWindowTextA" (ByVal hwnd As Long, _
ByVal lpString As String) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal _
lpClassName As String, ByVal lpWindowName As String) As LongPrivate Sub Command1_Click()
Dim hwndCalc As Long
hwndCalc = FindWindow(vbNullString, "Form2")
SetWindowText hwndCalc, "Welcome to VB"
End SubPrivate Sub Command2_Click()
Form2.Show
End Sub