C#

Rahithi wrote:

we will use this block to write unsafe (unmanaged) code...is it correct??

Rahithi wrote:

if so, please anyone tell me why should we require to write unmanaged code in .net?

Rahithi wrote:

as per my knowledge COM, API functions are not managed by CLR, i mean we can say these are unmanaged code functions. but .net where we use these unsafe blocks?

<br />
 <Compile Include="Properties\Settings.Designer.cs"><br />
   <AutoGen>True</AutoGen><br />
   <DependentUpon>Settings.settings</DependentUpon><br />
   <DesignTimeSharedInput>True</DesignTimeSharedInput><br />
 </Compile><br />
 <EmbeddedResource Include="..\Resource1.resx"><br />
   <SubType>Designer</SubType><br />
   <Generator>ResXFileCodeGenerator</Generator><br />
   <LastGenOutput>..\Resource1.Designer.cs</LastGenOutput><br />
 </EmbeddedResource><br />

using System.Windows.Forms;

class demo {
  Timer timer;
  int count;
  Label myLabel;

  public demo() {
    timer=new Timer();
    timer.Interval=5000;
    timer.Tick+=new EventHandler(demo_tick);
  }

  btnStart_Click(...) {
    timer.Start();
  }

  btnStop_Click(...) {
    timer.Stop();
  }

  void demo_tick(...) {
    // whatever needs to be done periodically, e.g.
    count++;
    // this code runs on the UI thread (because it is a forms timer)
    // so we can access all UI controls
    myLabel.Text="Tick #"+count;
  }
}