Does TC 2000 have tower line chart which is popular in Asia?  If not, is it possible to write a contition?

We don't, but do you have any more information on tower line charts? How they are calculated?

宝塔线指标2
var1:=CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2);
var2:=REF(var1,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var3:=REF(var2,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var4:=REF(var3,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var5:=REF(var4,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var6:=REF(var5,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var7:=REF(var6,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var8:=REF(var7,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var9:=REF(var8,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
varA:=REF(var9,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
varB:=REF(varA,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
varC:=REF(varB,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
STICKLINE(var1 OR var2 OR var3 OR var4 OR var5 OR var6 OR var7 OR
var8 OR var9 OR varA OR varB OR varC,CLOSE,REF(CLOSE,1),6,1),COLORRED;{红1}
varD:=CLOSE<REF(CLOSE,1) AND CLOSE<REF(CLOSE,2);
varE:=REF(varD,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
varF:=REF(varE,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var10:=REF(varF,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var11:=REF(var10,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var12:=REF(var11,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var13:=REF(var12,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var14:=REF(var13,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var15:=REF(var14,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var16:=REF(var15,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
var17:=REF(var16,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
var18:=REF(var17,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
STICKLINE(varD OR varE OR varF OR var10 OR var11 OR var12 OR var13 OR
var14 OR var15 OR var16 OR var17 OR var18,CLOSE,REF(CLOSE,1),6,0),COLOR00d900{FFCC66};
var19:=REF(varD OR varE OR varF OR var10 OR var11 OR var12 OR var13 OR
var14 OR var15 OR var16 OR var17 OR var18,1) AND var1;
STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),6,1),COLORYELLOW;
var1A:=REF(var1 OR var2 OR var3 OR var4 OR var5 OR var6 OR var7 OR
var8 OR var9 OR varA OR varB OR varC,1) AND varD;
STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),6,2),Color00ff00{98FD};

STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),8,0),COLOR00ffff;
STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),6,0),COLOR00c8ff;
STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),4,0),COLOR10ecff;
STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),2,0),COLOR10ffff;
STICKLINE(var19,REF(CLOSE,1),REF(CLOSE,2),0,0),COLOR10f0ff;

STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),8,0),COLORff50ff{00d900};
STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),6,0),COLORff50ff{93ffd1};
STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),4,0),COLORff50ff{93ff22};
STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),2,0),COLORff50ff{24ff22};
STICKLINE(var1A,REF(CLOSE,1),REF(CLOSE,2),0,0),COLORff50ff{090ff2};
红色持股:0,COLORRED,LINETHICK0,PRECIS0;
晶红卖出:var1A,COLORFF50FF,LINETHICK0,PRECIS0;
绿色持币:0,COLOR00d900,LINETHICK0,PRECIS0;
黄色买入:var19,COLOR00ffff,LINETHICK0,PRECIS0;
宝塔线指标3
XMA:ma(c,5),COLORWHITE;
DD5:=XMA<REF(XMA,1);
PARTLINE(XMA,DD5),color00FF00;
x:=(3*c+l+o+h)/6;
多空线:(20*x+19*ref(x,1)+18*ref(x,2)+17*ref(x,3)+16*ref(x,4)+15*ref(x,5)+14*ref(x,6)
+13*ref(x,7)+12*ref(x,8)+11*ref(x,9)+10*ref(x,10)+9*ref(x,11)+8*ref(x,12)
+7*ref(x,13)+6*ref(x,14)+5*ref(x,15)+4*ref(x,16)+3*ref(x,17)+2*ref(x,18)+
ref(x,20))/210,colorff00ff,linethick1;

三平底买入:var19,COLOR00ffff,LINETHICK0,PRECIS0;
三平顶卖出:var1A,COLORFF50FF,LINETHICK0,PRECIS0;
{DRAWICON(var19=1 ,REF(CLOSE,1) ,7 );
DRAWICON(var1A=1 ,REF(CLOSE,1) ,8 );}

{用法：黄托底买进，绿压顶买出。}
DD:=多空线<REF(多空线,1);
PARTLINE(多空线,DD),colorblue,linethick3;
A:=(XMA>多空线);
PARTLINE(多空线,A),COLORYELLOW,POINTDOT;
A1:=(XMA<多空线);
PARTLINE(多空线,A1),COLORWHITE;

v1:=CLOSE*VOL;
v2:=EMA(v1,13)/EMA(VOL,13);
CYS:=(EMA((CLOSE-v2)/v2,1)*100);
AA:=CYS;
MIDD:=MA(CYS,20);
CC:=MIDD+0.85*STD(CYS,10);
tM6:=AA>CC;
PARTLINE(XMA,tM6),colorred,linethick2;

宝塔线3

收盘价格:C,POINTDOT;
ma5:ma(c,5);
ma10:ma(c,10);
ma20:ma(c,20);
ma40:ma(c,40);
ma60:ma(c,60);
ma120:ma(c,120);
B0:=REF(C-O,2);B1:=REF(C,1);B2:=REF(C,2);B3:=REF(C,3);B4:=REF(C,4);
CMAX:=MAX(MAX(MAX(C,B1),B2),B3);CMIN:=MIN(MIN(MIN(C,B1),B2),B3);
STICKLINE(C=CMAX AND (B1>=B2 OR B1>=B3) OR B1=CMAX AND (B2=CMIN OR B3=CMIN)
AND C>=B2 OR
B2=CMAX AND B3=CMIN AND C>=B1 OR B3=CMAX AND C>=B1 AND C>=B2,B1,C,5,1),COLORRED;
STICKLINE(C=CMAX AND B1=CMIN,B2,C,5,1),COLORRED;
STICKLINE(C=CMIN AND (B1<B2 OR B1<B3) OR B1=CMIN AND (B2=CMAX OR B3=CMAX) AND C<B2 OR
B2=CMIN AND B3=CMAX AND C<B1 OR B3=CMIN AND C<B1 AND C<B2,B1,C,5,0),COLORGREEN;
STICKLINE(B1=CMAX AND C=CMIN,B2,C,5,0),COLORGREEN;
STICKLINE(B1=CMIN AND C>=B2 OR (B2=CMIN AND B1<=B3 OR
B3=CMIN AND B1<=B2) AND B2<B4 AND C>=B1,B1,B2,5,0),COLORGREEN;
STICKLINE(B1=CMAX AND C<B2 OR (B2=CMAX AND B1>B3 OR
B3=CMAX AND B1>B2) AND B2>=B4 AND C<B1,B1,B2,5,1),COLORRED;

No, I don't think that's possible using custom formulas in TC2000.