UIButton Double-click event response

Touch time
NSDateFormatter * formatter = [[[[NSDateFormatter alloc] init] autorelease];
[Formatter setdateformat:@ "yymmddhhmmsssss"]; Accurate to milliseconds
NSString *date = [formatter stringfromdate:[nsdate date]];

Nsarray * Btnarray = [M_twobtndic AllKeys];

Store Last Touch
if ([[[M_twobtndic Objectforkey:[btnarray objectatindex:0]] isequal: @ "BTN1"])
{
[M_twobtndic Removeobjectforkey:[btnarray objectatindex:0];
[M_twobtndic setobject:[nsstring stringwithformat:@ "%d", Btn.tag] forkey:[nsstring stringwithformat:@ "%lf", [date Doublevalue]];
}
Else
{
if ([[[M_twobtndic Objectforkey:[btnarray objectatindex:0]] isequal: @ "BTN2"])
{
[M_twobtndic Removeobjectforkey:[btnarray objectatindex:[self Minindexofarray:btnarray]];
[M_twobtndic setobject:[nsstring stringwithformat:@ "%d", Btn.tag] forkey:[nsstring stringwithformat:@ "%lf", [date Doublevalue]];
}
Else
{
[M_twobtndic Removeobjectforkey:[btnarray objectatindex:[self Minindexofarray:btnarray]];
[M_twobtndic setobject:[nsstring stringwithformat:@ "%d", Btn.tag] forkey:[nsstring stringwithformat:@ "%lf", [date Doublevalue]];
}
}

Nsarray *btnarray2 = [M_twobtndic AllKeys];
NSString *str1 = [BtnArray2 objectatindex:0];
NSString *STR2 = [BtnArray2 objectatindex:1];

if ([[M_twobtndic OBJECTFORKEY:STR1] isequal: [M_twobtndic objectforkey:str2]] && FABSF ([str1 Doublevalue]-[St R2 Doublevalue]) < 1000)
{
[Self performselector: @selector (detectbtncolor:) withobject:btn afterdelay:0.1];
if (M_drawcolorviewwithshadow.hidden = = YES)
{
M_drawcolorviewwithshadow.hidden = NO;
}
}
Else
{
M_bchangefavouratebrushcolorflag = NO;
}