需要VBAPI函数：
FindWindow←寻找窗口列表中第一个符合指定条件的顶级窗口
GetWindowThreadProcessId←获取与指定窗口关联在一起的一个进程和线程标识符
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相关API声明：
FindWindow
↓
PrivateDeclareFunctionFindWindowLib"user32"Alias"FindWindowA"(ByVallpClassNameAsString,ByVallpWindowNameAsString)AsLong

GetWindowThreadProcessId
↓
PrivateDeclareFunctionGetWindowThreadProcessIdLib"user32"(ByValhwndAsLong,lpdwProcessIdAsLong)
AsLong
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需要的控件：Label、Timer
--------------------------------------------------------------------------------------------------------------------------------------------------------自定义函数：
DimhwndAsLong
--------------------------------------------------------------------------------------------------------------------------------------------------------源代码：
PrivateDeclareFunctionFindWindowLib"user32"Alias"FindWindowA"(ByVallpClassNameAsString,ByVallpWindowNameAsString)AsLong
PrivateDeclareFunctionGetWindowThreadProcessIdLib"user32"(ByValhwndAsLong,lpdwProcessIdAsLong)AsLong
PrivateSubTimer1_Timer()
DimhwndAsLong'储存FindWindow函数返回的句柄
hwnd=FindWindow(vbNullString,"WindowsMediaPlayer")'取得进程标识符
'只要把WindowsMediaPlayer换成游戏的名称就可了！
Ifhwnd=0Then
Label1.Caption="游戏未运行"
Else
Label1.Caption="游戏已运行"
EndIf
EndSub
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