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using System;
using System.Runtime.InteropServices;
[StructLayout (LayoutKind.Sequential)]
public class MySystemTime {
public ushort Year;
public ushort Month;
public ushort DayOfWeek;
public ushort Day;
public ushort Hour;
public ushort Minute;
public ushort Second;
public ushort Milliseconds;
}
[StructLayout (LayoutKind.Sequential)]
public struct Point {
public int x;
public int y;
}
[StructLayout (LayoutKind.Explicit)]
public struct Rect {
[FieldOffset (0)] public int left;
[FieldOffset (4)] public int top;
[FieldOffset (8)] public int right;
[FieldOffset (12)] public int bottom;
}
[StructLayout (LayoutKind.Explicit)]
struct A {
[FieldOffset (0)]
public int a;
[FieldOffset (0)]
public byte b1;
[FieldOffset (1)]
public byte b2;
[FieldOffset (2)]
public byte b3;
[FieldOffset (3)]
public byte b4;
}
public class Blah {
[DllImport ("Kernel32.dll")]
public static extern void GetSystemTime (MySystemTime st);
[DllImport ("User32.dll")]
public static extern bool PtInRect (ref Rect r, Point p);
public static int Main () {
MySystemTime st = new MySystemTime ();
GetSystemTime (st);
Console.WriteLine ("Today's date is : {0:0000}-{1:00}-{2:00}", st.Year, st.Month, st.Day);
Console.WriteLine ("The time now is : {0:00}:{1:00}:{2:00}", st.Hour, st.Minute, st.Second);
Rect r = new Rect ();
r.left = 10;
r.top = 12;
r.right = 30;
r.bottom = 30;
Point p = new Point ();
p.x = 15;
p.y = 20;
if (!PtInRect (ref r, p))
return 1;
A a = new A ();
a.a = 0x12345678;
if (a.b1 != 0x78)
return 2;
if (a.b2 != 0x56)
return 3;
if (a.b3 != 0x34)
return 4;
if (a.b4 != 0x12)
return 5;
Console.WriteLine ("Point lies inside rect");
Console.WriteLine ("Test passes");
return 0;
}
}
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