小弟初来乍到，刚学会怎么发贴子，第一个问题：“怎么用api关闭windows中正在运行的窗口?“

[lao_cai]

我试过 CloseWindow，但是是最小化，我试过 DestroyWindow，但是没反应，我试过ExitWindows ，差点儿把windows给关了。
谢了，各位大哥。

[Chen_Lin]

Public Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Const WM_CLOSE = &H10

'以下演示关闭帝国时代
Dim ret As Integer
Dim nFind As Integer

nFind = FindWindow(vbNullString, "age of empires")
If nFind <> 0 Then
' end the program:
SendMessage nFind, WM_CLOSE, 0, 0
' Display a message box:
ret = MsgBox("用户无权运行此程序!", vbCritical + vbOKOnly, "警告")
End If

[lao_cai]

谢谢，以后还要多多请教！