2 replies to this topic

[jaiii]

Hi,

I need convert Ansistring to boolean

for example:

int a=5;
AnsiString S="a < 5";

How can I convert S to boolean

OR

can I evaluate S as boolean in runtime ?

Thankx veri much.

Edited by Jaan, 20 April 2010 - 02:57 AM.
Please use code tags when you are posting your codes!

[WingedPanther]

You'll need to create a parser. For my money, it's a little easier in C++ than C, but either will work. Making a parser is non-trivial, however.

[jaiii]

Thankx for reply by I search simple way:

TBooleanField *BF=new TBooleanField(this);
int a=5;
Ansistring S="a > 10";
bool b;
BF->AsString=S;
b=bf=value;
B=false;