Comma7Io.new Method
Initializes a new instance of the Object class.
Syntax
public void new(str filename, str mode)
Run On
Called
Parameters
- filename
Type: str
- mode
Type: str
Remarks
If an attacker can control input to the new method, a security risk exists. Therefore, this method runs under Code Access Security. Calls to this method on the server require permission from the . Ensure that the user has development privileges by setting the security key to SysDevelopment on the control that calls this method.
Examples
This example uses the Comma7IO class to read from the ExampleFile file.
void Comma7IoExample()
{
Comma7Io io;
container con;
FileIoPermission perm;
#define.ExampleFile(@"c:\test.txt")
#define.ExampleOpenMode("r")
perm = new FileIoPermission(#ExampleFile, #ExampleOpenMode);
if (perm == null)
{
return;
}
// Grants permission to execute the Comma7Io.new method.
// Comma7Io.new runs under code access security.
perm.assert();
io = new Comma7Io(#ExampleFile, #ExampleOpenMode);
if (io != null)
{
con = io.read();
}
// Close the code access permission scope.
CodeAccessPermission::revertAssert();
}