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problem with wcslen String ^ to char *

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Hi all , I have some peice of code which is working fine and an analogous code in the same fine returning errors.. working code : pin_ptr<const wchar_t> file_x= PtrToStringChars(path); char * file = new char(wcslen(file_x)+1); int t= 0 ; while(file_x[t]!= '\0') { file[t] = (char)file_x[t]; ++t; } failing code : String^ valuefromc_seed ; valuefromc_seed = gcnew String(Y); (y is defined in a dll using c file) pin_ptr<const wchar_t> seed_x= PtrToStringChars(valuefromc_seed); char * seed = new char(wcslen(seed_x)); int u= 0 ; while(seed_x!= 'm') { seed = (char)seed_x; ++u; } Its precisely failing at char * seed = new char(wcslen(seed_x)); .. it says head corruption... anyone has any input on this ? I need to use wcslen cos , i am using express edition 2008 ...with no marhsalling package.. thanks

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