递归方式+FindWindow 遍历窗口句柄。查找已知句柄下的所有句柄。按节点方式保存

//使用软件为C++builder

////GW_CHILD GW_HWNDNEXT
//int HandCount 定义的全局变量
//HWND Handled[1024]    //定义的全局变量
//DebugInfo(AnsiString str) //自定义的字符串显示函数

//递归函数
void __fastcall TForm1::Gethh(HWND hendle)
{
        HWND Group[1024];
        HWND hh = GetWindow(hendle,GW_CHILD);
        int count = 0;
        if(hh != NULL)
        {
          int i=0;                    
          Group[i] = hh;
          do
          {
            Handled[HandCount++] = Group[i];
            Group[i+1] = GetWindow(Group[i],GW_HWNDNEXT);
            DebugInfo("Group["+AnsiString(i)+"] Hendle is 0x"+IntToHex((__int32)Group[i],8));
            count = i+1;
          }while(i++,NULL != Group[i]);
        }
        else        ////为了区别分支点，用以下隔开
        {
          Handled[HandCount++] = NULL;  //为了区别分支点，用NULL隔开
          DebugInfo("");        
        }
        for(int j=0;jLines->Add("Handled["+AnsiString(i)+"] is 0x"+IntToHex((__int32)Handled[i],8));
        }
}
//---------------------------------------------------------------------------

////GW_CHILD GW_HWNDNEXT
//int HandCount 定义的全局变量
//HWND Handled[1024]    //定义的全局变量
//DebugInfo(AnsiString str) //自定义的字符串显示函数

//递归函数
void __fastcall TForm1::Gethh(HWND hendle)
{
        HWND Group[1024];
        HWND hh = GetWindow(hendle,GW_CHILD);
        int count = 0;
        if(hh != NULL)
        {
          int i=0;                   
          Group[i] = hh;
          do
          {
            Handled[HandCount++] = Group[i];
            Group[i+1] = GetWindow(Group[i],GW_HWNDNEXT);
            DebugInfo("Group["+AnsiString(i)+"] Hendle is 0x"+IntToHex((__int32)Group[i],8));
            count = i+1;
          }while(i++,NULL != Group[i]);
        }
        else        ////为了区别分支点，用以下隔开
        {
          Handled[HandCount++] = NULL;  //为了区别分支点，用NULL隔开
          DebugInfo("");       
        }
        for(int j=0;j         {
          Gethh(Group[j]);
        }
}

void __fastcall TForm1::Button6Click(TObject *Sender)   //举例
{
        HandCount=0;    //初始化全局变量
        //HWND hh1 = FindWindowA("#32769 (??)",NULL);     //"Cypress USB Console");
        HWND hh1 = FindWindowA(NULL,"Cypress USB Console"); //获取一个窗口句柄
        Gethh(hh1); //调用递归函数得到所有句柄
        for(int i=0;i         {
          Report->Lines->Add("Handled["+AnsiString(i)+"] is 0x"+IntToHex((__int32)Handled[i],8));
        }
}
//---------------------------------------------------------------------------