"- startfragment -> using system;
Using system.drawing;
Using system.collections;
Using system.componentmodel;
Using system.windows.forms;
Using system.data;
Using system.Runtime.InteropServices;
Namespace ScreenResolution
{
Public Class Form1: System.Windows.Forms.form
{
Public Enum DMDO
{
DEFAULT = 0,
D90 = 1,
D180 = 2,
D270 = 3
}
[Structlayout (layoutkind.sequential, charset = charset.auto)]
Struct Devmode
{
Public const INT DM_DISPLAYFREQUENCY = 0x400000;
Public const Int DM_PELSWIDTH = 0x80000;
Public const INT DM_PELSHEIGHT = 0x100000;
Private const Int cchdevicename = 32;
Private const Int cchFormName = 32;
[Marshalas (UnmanagedType.Byvaltstr, SizeConst = cchdevicename)]]]
Public String DMDeviceName;
Public Short DMSpecversion;
Public Short DMDriverVersion;
Public Short DMSIZE;
Public Short DMDriveRextra;
Public int DMfields;
Public int dmpositionx;
Public int dmpositiony;
PUBLIC DMDO DMDISPLAYORIENTATION;
Public int dmdisplayfixedoutput;
Public Short DMColor;
Public Short DMDuplex;
Public short DMYRESOLUTION;
Public Short DMTTOPTION;
Public short dmcollate;
[Marshalas (UnmanagedType.Byvaltstr, SizeConst = CchFormName)]]]]
Public String DMFormName;
Public Short DMLogpixels;
Public int DMBITSPEL;
Public int Dmpelswidth;
Public int dmpelsheight;
Public Int DMDisplayFlags;
Public Int DMDisplayFrequency;
Public int DMICMMETHOD;
Public int DMICMINTENT;
Public int DMMEDiaType;
Public int dmdithertype;
Public int DMRESERVED1;
Public int DMRESERVED2;
Public int dmpanningwidth;
Public int dmpanningheight;
}
[DLLIMPORT ("User32.dll", Charset = Charset.Auto)]
// static extern int changeisplaySettings (devmode lpdevmode, int dwflags); static extern int changeisplaySettings ([in] ref devmode lpdevmode, int dwflags);
Private system.componentmodel.Container Components = NULL;
Public Form1 ()
{
InitializationComponent ();
}
Protected Override Void Dispose (Bool Disposing)
{
IF (Disposing)
{
IF (Components! = NULL)
{
Components.dispose ();
}
}
Base.dispose (Disposing);
}
#Region Windows Form Designer Generated Code
Private vidinitiRizeComponent ()
{
THIS.AUTOSCALEBASESIZE = New System.drawing.size (6, 14);
THIS.CLIENTSIZE = New System.drawing.size (292, 273);
THIS.TEXT = "Change the example of the screen resolution";
}
#ndregion
Static void main ()
{
Form1 r = new form1 ();
R.Changeres ();
Application.run (New Form1 ());
}
void changeres ()
{
Form1 t = new form1 ();
Long Retval = 0;
DEVMODE DM = New devMode ();
DM.dmsize = (short) Marshal.Sizeof (Typeof (devmode));
DM.dmpelswidth = 1024;
DM.DMPELSHEIGHT = 768;
DM.dmdisplayFrequency = 85;
DM.dmfields = devmode.dm_pelswidth | devmode.dm_pelsheight | devmode.dm_displayfrequency;
Retval = ChangeDisplaySettings (REF DM, 0);
}
}
}
