程序启动前的欢迎界面+设置 屏幕分辨率

//using System;
//
//namespace CNEE.IF.VCY
//{
// /// <summary>
// /// SetPCscreen 的摘要说明。
// /// </summary>
// public class SetPCscreen
// {
// public SetPCscreen()
// {
// //
// // TODO: 在此处添加构造函数逻辑
// //
// }
// }
//}

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
//using Sunisoft.IrisSkin;

namespace CNEE.IF.VCY

{
class ScreenMode :Form

{
#region
enum DMDO { DEFAULT = 0, D90 = 1, D180 = 2, D270 = 3 }

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
struct DEVMODE

{
public const int DM_BITSPERPEL = 0x040000;
public const int DM_PELSWIDTH = 0x080000;
public const int DM_PELSHEIGHT = 0x100000;
public const int DM_DISPLAYFREQUENCY = 0x400000;
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 dmBitsPerPel;
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;

public override string ToString()

{
return string.Format
(
"{0,4}×{1,-4} {2,2}Bits {3,3}Hz {4}",
dmPelsWidth,
dmPelsHeight,
dmBitsPerPel,
dmDisplayFrequency,
dmDeviceName
);
}
}

[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern bool EnumDisplaySettings(int lpszDeviceName, int iModeNum, ref DEVMODE lpDevMode);
#endregion
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ScreenMode));
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.label1 = new System.Windows.Forms.Label();
this.timer2 = new System.Windows.Forms.Timer(this.components);
this.SuspendLayout();
//
// timer1
//
this.timer1.Interval = 6000;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// label1
//
this.label1.BackColor = System.Drawing.Color.LightGray;
this.label1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.label1.Font = new System.Drawing.Font("宋体", 15.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label1.ForeColor = System.Drawing.Color.WhiteSmoke;
this.label1.Location = new System.Drawing.Point(528, 392);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(96, 24);
this.label1.TabIndex = 2;
this.label1.Text = "CNEE-CY";
//
// timer2
//
this.timer2.Tick += new System.EventHandler(this.timer2_Tick);
//
// ScreenMode
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
this.ClientSize = new System.Drawing.Size(624, 416);
this.Controls.Add(this.label1);
this.ForeColor = System.Drawing.Color.IndianRed;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "ScreenMode";
this.Opacity = 0.01;
this.ShowInTaskbar = false;
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.TopMost = true;
this.Load += new System.EventHandler(this.ScreenMode_Load);
this.ResumeLayout(false);

}
#region
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int ChangeDisplaySettings([In] ref DEVMODE lpDevMode, int dwFlags);

private System.Windows.Forms.Timer timer1;
private System.ComponentModel.IContainer components = null;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Timer timer2;

ListBox lbxPels;

// 构造函数
public ScreenMode()

{
Text = "港口集装箱三维实训系统";

lbxPels = new ListBox();
lbxPels.Visible=false;
lbxPels.Parent = this;
lbxPels.Dock = DockStyle.Fill;
lbxPels.BeginUpdate();
DEVMODE DevMode = new DEVMODE();
for (int i = 0; EnumDisplaySettings(0, i, ref DevMode); i++)

{
lbxPels.Items.Add(DevMode);
}
lbxPels.EndUpdate();

Button btnSet = new Button();
btnSet.Visible=false;
btnSet.Parent = this;
btnSet.Text = "设置显示模式";
btnSet.Dock = DockStyle.Top;
btnSet.Click += new EventHandler(SetScrnMode);

Button btnGet = new Button();
btnGet.Visible=false;
btnGet.Parent = this;
btnGet.Text = "当前显示属性";
btnGet.Dock = DockStyle.Top;
btnGet.Click += new EventHandler(GetScrnInfo);
InitializeComponent();//初始化
//
// sk=new SkinEngine();
// try
// {
// sk.SkinAllForm=true;
// sk.BuiltIn=false;
// sk.DisableTag=11;//同时把mianFrom的panel2的tag改为11生效
// sk.SkinFile = Application.StartupPath + "//skin//MSN//MSN.ssk";
// //sk.AddtionalBuiltInSkins();
// }
// catch
// {
// sk.Active=false;
// sk.Dispose();
//
// }
}
void SetSceen(int i)
{
if(i==1)
{
//800x600 75hz,16Bits
foreach(object sb in lbxPels.Items)
{
string s=sb.ToString();
if(s.IndexOf("800")!=-1&&s.IndexOf("600")!=-1&&s.IndexOf("75")!=-1&&s.IndexOf("32Bits")!=-1)
{
DEVMODE DevMode = (DEVMODE)sb;
ChangeDisplaySettings(ref DevMode, 0);
}
}
}
if(i==2)
{
//1024x768 75hz,16bits
foreach(object sb in lbxPels.Items)
{
string s=sb.ToString();
if(s.IndexOf("1024")!=-1&&s.IndexOf("768")!=-1&&s.IndexOf("75")!=-1&&s.IndexOf("32Bits")!=-1)
{
DEVMODE DevMode = (DEVMODE)sb;
ChangeDisplaySettings(ref DevMode, 0);
}
}
}
}
// 设置显示模式
void SetScrnMode(object sender, EventArgs e)

{
if (lbxPels.SelectedItem != null)

{
DEVMODE DevMode = (DEVMODE)lbxPels.SelectedItem;
ChangeDisplaySettings(ref DevMode, 0);
}
}

// 当前显示属性
void GetScrnInfo(object sender, EventArgs e)

{
Screen scrn = Screen.PrimaryScreen;
MessageBox.Show(
string.Format
(
"主设备: {1}{0}设备名: {2}{0}边　界: {3}{0}工作区: {4}",
Environment.NewLine,
scrn.Primary,
scrn.DeviceName,
scrn.Bounds,
scrn.WorkingArea
),
"当前显示属性",
MessageBoxButtons.OK,
MessageBoxIcon.Information
);
}
#endregion
// 程序入口
static void sceenMain()

{
Application.Run(new ScreenMode());
}
// public static SkinEngine sk;
private void ScreenMode_Load(object sender, System.EventArgs e)
{
// Random rn=new Random();
// int i=rn.Next(3);
// while(i<1||i>2)
// {
// i=rn.Next(3);
// }
try
{

SetSceen(2);
timer1.Start();
timer2.Start();
}
catch
{
timer1.Start();
timer2.Start();
}
}

private void timer1_Tick(object sender, System.EventArgs e)
{
this.Close();
}

private void timer2_Tick(object sender, System.EventArgs e)
{
if(this.Opacity<=0.8f)
this.Opacity+=0.05f;
}
}
// void changeres(int chmode) {}
//
// long retval = 0;
//
// form1 t = new form1();
//
// devmode dm = new devmode();
//
// dm.dmsize = (short)marshal.sizeof(typeof(devmode));
//
// if (chmode == 1)
//
//{
//
// dm.dmpelswidth = 1600;
//
// dm.dmpelsheight = 1024;
//
// dm.dmdisplayfrequency = 85;
//
//}
//
// else if (chmode == 2)
//
//{
//
// 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);
//
//}

}