如何去掉这些warning ?
[C++ Warning] Main.cpp(294): W8004 'n' is assigned a value that is never used
代码如下:
//
//
double n = 0;
try
{
n = ((TEdit*)Sender)->Text.ToDouble();
}
catch(...)
{
((TEdit*)Sender)->Text = ((TEdit*)Sender)->Text.SubString(1,((TEdit*)Sender)->Text.Length()-1);
((TEdit*)Sender)->SelStart = ((TEdit*)Sender)->Text.Length();
}