findwindow，是函数检索处理顶级窗口的类名和窗口名称匹配指定的字符串，这个函数不搜索子窗口。
基本介绍
lpClassName参数指向类名，lpWindowName指向窗口名，如果有指定的类名和窗口的名字则表示成功返回一个窗口的句柄。否则返回零。
FindWindow,
LPCTSTRlpClassName,//pointertoclassname
LPCTSTRlpWindowName//pointertowindowname
);
HWNDhWnd,//handleofwindow
LPDWORDlpdwProcessId//addressofvariableforprocessidentifier
);
DWORDdwDesiredAccess,//accessflag
BOOLbInheritHandle,//handleinheritanceflag
DWORDdwProcessId//processidentifier
);
HANDLEhProcess,//handletoprocesswhosememoryiswrittento
LPVOIDlpBaseAddress,//addresstostartwritingto
LPVOIDlpBuffer,//pointertobuffertowritedatato
DWORDnSize,//numberofbytestowrite
LPDWORDlpNumberOfBytesWritten//actualnumberofbyteswritten
);
