/*
NET Development for Java Programmers
# By Paul Gibbons
# ISBN: 1-59059-038-4
# 432 pp.
# Published: Jul 2002
*/
using System;
using System.Runtime.InteropServices;
[ StructLayout( LayoutKind.Sequential ) ]
struct Rect
{
public int left;
public int top;
public int right;
public int bottom;
}
[ StructLayout( LayoutKind.Sequential ) ]
struct MonitorInfo
{
public uint size;
public Rect monitor;
public Rect work;
public uint flags;
}
class MainClass
{
delegate bool MonitorEnumDelegate( IntPtr hMonitor,IntPtr hdcMonitor,ref Rect lprcMonitor, IntPtr dwData );
[ DllImport( "user32.dll" ) ]
static extern bool EnumDisplayMonitors( IntPtr hdc, IntPtr lprcClip, MonitorEnumDelegate lpfnEnum, IntPtr dwData );
[ DllImport( "user32.dll" ) ]
static extern bool GetMonitorInfo( IntPtr hmon, ref MonitorInfo mi );
static bool MonitorEnum( IntPtr hMonitor, IntPtr hdcMonitor, ref Rect lprcMonitor, IntPtr dwData )
{
MonitorInfo mi = new MonitorInfo();
mi.size = (uint)Marshal.SizeOf( mi );
bool success = GetMonitorInfo( hMonitor, ref mi );
return true;
}
[STAThread]
static void Main(string[] args)
{
MonitorEnumDelegate med = new MonitorEnumDelegate( MonitorEnum );
EnumDisplayMonitors( IntPtr.Zero, IntPtr.Zero, med, IntPtr.Zero );
}
}
|