实践过程
效果
代码
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
string MaxValue;//显示器支持的最大刷新率
string MinValue;//显示器支持的最小刷新率
string NowValue;//当前刷新率
bool flag = true;
public const uint WM_SYSCOMMAND = 0x0112;
public const uint SC_MONITORPOWER = 0xF170;
[DllImport("user32")]
public static extern IntPtr SendMessage(IntPtr hWnd, uint wMsg, uint wParam, int lParam);
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;
public const int DM_BITSPERPEL = 262144;
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;
}
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int ChangeDisplaySettings([In] ref DEVMODE lpDevMode, int dwFlags);
private void Form1_Load(object sender, EventArgs e)
{
groupBox5.Text = "当前时间：" + DateTime.Now.ToString();
ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_VideoController");
foreach(ManagementObject myobject in searcher.Get() )
{
string Vname = myobject["Name"].ToString();
if (Vname.Length >40)
{
string a = Vname.Substring(0,45);
string b = Vname.Substring(46);
lblInfo.Text = a + "\n" + b;
}
else
{
lblInfo.Text = Vname;
}
string colorValue = myobject["CurrentNumberOfColors"].ToString();
if (colorValue == "65536")
{
comboBox1.SelectedIndex = 0;
}
else
{
comboBox1.SelectedIndex = 1;
}
MaxValue=myobject["MaxRefreshRate"].ToString();
if (Convert.ToInt32(MaxValue) > 85)
MaxValue = "85";
MinValue = myobject["MinRefreshRate"].ToString();
NowValue=myobject["CurrentRefreshRate"].ToString();
AddHZ();
GetDis();
ChangeDis(1);
}
}
int dWidth = 0;
int dHeight = 0;
private void GetDis()//获取分辨率
{
Size s = SystemInformation.PrimaryMonitorSize;
dWidth = s.Width;
dHeight = s.Height;
lblDisInfo.Text = dWidth.ToString() + " × " + dHeight.ToString() + " 像素";
}
private void ChangeDis(int i)//变换分辨率
{
int dValue;
dValue = trackBar1.Value;
if (i == 0)
{
switch (dValue)
{
case 0: dWidth = 800; dHeight = 600; break;
case 1: dWidth = 1024; dHeight = 768; break;
case 2: dWidth = 1152; dHeight = 864; break;
case 3: dWidth = 1280; dHeight = 600; break;
case 4: dWidth = 1280; dHeight = 720; break;
case 5: dWidth = 1280; dHeight = 768; break;
case 6: dWidth = 1280; dHeight = 760; break;
case 7: dWidth = 1280; dHeight = 1024; break;
case 8: dWidth = 1400; dHeight = 1050; break;
case 9: dWidth = 1600; dHeight = 900; break;
case 10: dWidth = 1600; dHeight = 1200; break;
}
lblDisInfo.Text = dWidth.ToString() + " × " + dHeight.ToString() + " 像素";
}
else
{
int dSum=dWidth+dHeight;
switch (dSum)
{
case 1400: trackBar1.Value = 0; break;
case 1792: trackBar1.Value = 1; break;
case 2016: trackBar1.Value = 2; break;
case 1880: trackBar1.Value = 3; break;
case 2000: trackBar1.Value = 4; break;
case 2048: trackBar1.Value = 5; break;
case 2240: trackBar1.Value = 6; break;
case 2304: trackBar1.Value = 7; break;
case 2450: trackBar1.Value = 8; break;
case 2500: trackBar1.Value = 9; break;
case 2800: trackBar1.Value = 10; break;
}
}
}
private void AddHZ()
{
int[] hz = new int[] { 60, 70, 75, 85, 100, 120 };
comboBox2.Items.Clear();
if (checkBox1.Checked)
{
for (int i = 0; i < hz.Length; i++)
{
if (hz[i] <= Convert.ToInt32(MaxValue))
{
comboBox2.Items.Add(hz[i].ToString() + "赫兹");
}
}
comboBox2.Text = NowValue + "赫兹";
}
else
{
for (int j = 0; j < hz.Length; j++)
{
comboBox2.Items.Add(hz[j].ToString() + "赫兹");
}
comboBox2.Text = NowValue + "赫兹";
}
}
private void checkBox1_CheckedChanged(object sender, EventArgs e)
{
AddHZ();
}
private void button2_Click(object sender, EventArgs e)
{
Application.Exit();
}
private void trackBar1_Scroll(object sender, EventArgs e)
{
ChangeDis(0);
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
if (radioButton1.Checked)
{
groupBox1.Enabled = true;
groupBox2.Enabled = true;
groupBox3.Enabled = true;
groupBox4.Enabled = true;
}
else
{
groupBox1.Enabled = false;
groupBox2.Enabled = false;
groupBox3.Enabled = false;
groupBox4.Enabled = false;
}
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
if (radioButton2.Checked)
{
groupBox5.Enabled = true;
}
else
{
groupBox5.Enabled = false;
}
}
private void button1_Click(object sender, EventArgs e)
{
if (radioButton1.Checked)//设置分辨率、颜色质量、刷新率
{
long RetVal = 0;
DEVMODE dm = new DEVMODE();
dm.dmSize = (short)Marshal.SizeOf(typeof(DEVMODE));
dm.dmPelsWidth = dWidth;//宽
dm.dmPelsHeight = dHeight;//高
int f =Convert.ToInt32(comboBox2.Text.Trim().Remove(comboBox2.Text.Trim().Length-2));
dm.dmDisplayFrequency = f;//刷新率
if (comboBox1.SelectedIndex == 0)
dm.dmBitsPerPel = 16;
else
dm.dmBitsPerPel = 32;
dm.dmFields = DEVMODE.DM_PELSWIDTH | DEVMODE.DM_PELSHEIGHT | DEVMODE.DM_DISPLAYFREQUENCY | DEVMODE.DM_BITSPERPEL;
RetVal = ChangeDisplaySettings(ref dm, 0);
}
if (radioButton2.Checked)//关闭显示器
{
timer1.Start();
this.Close();
}
}
private void timer1_Tick(object sender, EventArgs e)
{
if (dateTimePicker1.Text == DateTime.Now.ToLongTimeString())
{
SendMessage(this.Handle, WM_SYSCOMMAND, SC_MONITORPOWER, 2);
timer1.Stop();
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
this.Hide();
if (flag)
{
e.Cancel = true;
}
}
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
flag = false;
Application.Exit();
}
private void 显示ToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Show();
}
private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
{
this.Show();
}
private void timer2_Tick(object sender, EventArgs e)
{
groupBox5.Text = "当前时间：" + DateTime.Now.ToString();
}
}
partial class Form1
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.lblDisInfo = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.trackBar1 = new System.Windows.Forms.TrackBar();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.lblInfo = new System.Windows.Forms.Label();
this.groupBox3 = new System.Windows.Forms.GroupBox();
this.comboBox1 = new System.Windows.Forms.ComboBox();
this.groupBox4 = new System.Windows.Forms.GroupBox();
this.checkBox1 = new System.Windows.Forms.CheckBox();
this.comboBox2 = new System.Windows.Forms.ComboBox();
this.groupBox5 = new System.Windows.Forms.GroupBox();
this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
this.label4 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.radioButton1 = new System.Windows.Forms.RadioButton();
this.radioButton2 = new System.Windows.Forms.RadioButton();
this.timer1 = new System.Windows.Forms.Timer(this.components);
this.notifyIcon1 = new System.Windows.Forms.NotifyIcon(this.components);
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.显示ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.退出ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.timer2 = new System.Windows.Forms.Timer(this.components);
this.groupBox1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
this.groupBox2.SuspendLayout();
this.groupBox3.SuspendLayout();
this.groupBox4.SuspendLayout();
this.groupBox5.SuspendLayout();
this.contextMenuStrip1.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.lblDisInfo);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Controls.Add(this.trackBar1);
this.groupBox1.Location = new System.Drawing.Point(11, 96);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(161, 81);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "屏幕分辨率";
//
// lblDisInfo
//
this.lblDisInfo.AutoSize = true;
this.lblDisInfo.Location = new System.Drawing.Point(36, 57);
this.lblDisInfo.Name = "lblDisInfo";
this.lblDisInfo.Size = new System.Drawing.Size(41, 12);
this.lblDisInfo.TabIndex = 3;
this.lblDisInfo.Text = "label3";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Location = new System.Drawing.Point(134, 29);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(17, 12);
this.label2.TabIndex = 2;
this.label2.Text = "多";
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(15, 29);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(17, 12);
this.label1.TabIndex = 1;
this.label1.Text = "少";
//
// trackBar1
//
this.trackBar1.AutoSize = false;
this.trackBar1.Location = new System.Drawing.Point(33, 26);
this.trackBar1.Name = "trackBar1";
this.trackBar1.Size = new System.Drawing.Size(95, 23);
this.trackBar1.TabIndex = 0;
this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
//
// groupBox2
//
this.groupBox2.Controls.Add(this.lblInfo);
this.groupBox2.Location = new System.Drawing.Point(12, 36);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(328, 53);
this.groupBox2.TabIndex = 2;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "显示设备";
//
// lblInfo
//
this.lblInfo.AutoSize = true;
this.lblInfo.Location = new System.Drawing.Point(10, 20);
this.lblInfo.Name = "lblInfo";
this.lblInfo.Size = new System.Drawing.Size(41, 12);
this.lblInfo.TabIndex = 0;
this.lblInfo.Text = "label3";
//
// groupBox3
//
this.groupBox3.Controls.Add(this.comboBox1);
this.groupBox3.Location = new System.Drawing.Point(178, 96);
this.groupBox3.Name = "groupBox3";
this.groupBox3.Size = new System.Drawing.Size(161, 81);
this.groupBox3.TabIndex = 3;
this.groupBox3.TabStop = false;
this.groupBox3.Text = "颜色质量";
//
// comboBox1
//
this.comboBox1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBox1.FormattingEnabled = true;
this.comboBox1.Items.AddRange(new object[] {
"中(16位)",
"最高(32位)"});
this.comboBox1.Location = new System.Drawing.Point(7, 31);
this.comboBox1.Name = "comboBox1";
this.comboBox1.Size = new System.Drawing.Size(148, 20);
this.comboBox1.TabIndex = 0;
//
// groupBox4
//
this.groupBox4.Controls.Add(this.checkBox1);
this.groupBox4.Controls.Add(this.comboBox2);
this.groupBox4.Location = new System.Drawing.Point(12, 184);
this.groupBox4.Name = "groupBox4";
this.groupBox4.Size = new System.Drawing.Size(327, 85);
this.groupBox4.TabIndex = 4;
this.groupBox4.TabStop = false;
this.groupBox4.Text = "设置刷新频率";
//
// checkBox1
//
this.checkBox1.AutoSize = true;
this.checkBox1.Checked = true;
this.checkBox1.CheckState = System.Windows.Forms.CheckState.Checked;
this.checkBox1.Location = new System.Drawing.Point(7, 56);
this.checkBox1.Name = "checkBox1";
this.checkBox1.Size = new System.Drawing.Size(180, 16);
this.checkBox1.TabIndex = 1;
this.checkBox1.Text = "隐藏该显示器无法显示的模式";
this.checkBox1.UseVisualStyleBackColor = true;
this.checkBox1.CheckedChanged += new System.EventHandler(this.checkBox1_CheckedChanged);
//
// comboBox2
//
this.comboBox2.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBox2.FormattingEnabled = true;
this.comboBox2.Items.AddRange(new object[] {
"60赫兹",
"70赫兹",
"75赫兹",
"85赫兹",
"100赫兹",
"120赫兹"});
this.comboBox2.Location = new System.Drawing.Point(6, 20);
this.comboBox2.Name = "comboBox2";
this.comboBox2.Size = new System.Drawing.Size(315, 20);
this.comboBox2.TabIndex = 0;
//
// groupBox5
//
this.groupBox5.Controls.Add(this.dateTimePicker1);
this.groupBox5.Controls.Add(this.label4);
this.groupBox5.Enabled = false;
this.groupBox5.Location = new System.Drawing.Point(12, 296);
this.groupBox5.Name = "groupBox5";
this.groupBox5.Size = new System.Drawing.Size(328, 65);
this.groupBox5.TabIndex = 5;
this.groupBox5.TabStop = false;
//
// dateTimePicker1
//
this.dateTimePicker1.Checked = false;
this.dateTimePicker1.Format = System.Windows.Forms.DateTimePickerFormat.Time;
this.dateTimePicker1.Location = new System.Drawing.Point(94, 24);
this.dateTimePicker1.Name = "dateTimePicker1";
this.dateTimePicker1.ShowCheckBox = true;
this.dateTimePicker1.ShowUpDown = true;
this.dateTimePicker1.Size = new System.Drawing.Size(118, 21);
this.dateTimePicker1.TabIndex = 1;
//
// label4
//
this.label4.AutoSize = true;
this.label4.Location = new System.Drawing.Point(11, 28);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(77, 12);
this.label4.TabIndex = 0;
this.label4.Text = "关闭显示器：";
//
// button1
//
this.button1.Location = new System.Drawing.Point(84, 372);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 6;
this.button1.Text = "确定";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(177, 372);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 7;
this.button2.Text = "取消";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// radioButton1
//
this.radioButton1.AutoSize = true;
this.radioButton1.Checked = true;
this.radioButton1.Location = new System.Drawing.Point(11, 12);
this.radioButton1.Name = "radioButton1";
this.radioButton1.Size = new System.Drawing.Size(71, 16);
this.radioButton1.TabIndex = 8;
this.radioButton1.TabStop = true;
this.radioButton1.Text = "基本设置";
this.radioButton1.UseVisualStyleBackColor = true;
this.radioButton1.CheckedChanged += new System.EventHandler(this.radioButton1_CheckedChanged);
//
// radioButton2
//
this.radioButton2.AutoSize = true;
this.radioButton2.Location = new System.Drawing.Point(11, 278);
this.radioButton2.Name = "radioButton2";
this.radioButton2.Size = new System.Drawing.Size(71, 16);
this.radioButton2.TabIndex = 9;
this.radioButton2.Text = "电源设置";
this.radioButton2.UseVisualStyleBackColor = true;
this.radioButton2.CheckedChanged += new System.EventHandler(this.radioButton2_CheckedChanged);
//
// timer1
//
this.timer1.Interval = 1000;
this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
//
// notifyIcon1
//
this.notifyIcon1.ContextMenuStrip = this.contextMenuStrip1;
this.notifyIcon1.Icon = ((System.Drawing.Icon)(resources.GetObject("notifyIcon1.Icon")));
this.notifyIcon1.Text = "显示器控制";
this.notifyIcon1.Visible = true;
this.notifyIcon1.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.notifyIcon1_MouseDoubleClick);
//
// contextMenuStrip1
//
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.显示ToolStripMenuItem,
this.退出ToolStripMenuItem});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.Size = new System.Drawing.Size(95, 48);
//
// 显示ToolStripMenuItem
//
this.显示ToolStripMenuItem.Name = "显示ToolStripMenuItem";
this.显示ToolStripMenuItem.Size = new System.Drawing.Size(94, 22);
this.显示ToolStripMenuItem.Text = "显示";
this.显示ToolStripMenuItem.Click += new System.EventHandler(this.显示ToolStripMenuItem_Click);
//
// 退出ToolStripMenuItem
//
this.退出ToolStripMenuItem.Name = "退出ToolStripMenuItem";
this.退出ToolStripMenuItem.Size = new System.Drawing.Size(94, 22);
this.退出ToolStripMenuItem.Text = "退出";
this.退出ToolStripMenuItem.Click += new System.EventHandler(this.退出ToolStripMenuItem_Click);
//
// timer2
//
this.timer2.Enabled = true;
this.timer2.Interval = 1000;
this.timer2.Tick += new System.EventHandler(this.timer2_Tick);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(351, 403);
this.Controls.Add(this.radioButton2);
this.Controls.Add(this.radioButton1);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.groupBox5);
this.Controls.Add(this.groupBox4);
this.Controls.Add(this.groupBox3);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "显示器控制";
this.Load += new System.EventHandler(this.Form1_Load);
this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
this.groupBox1.ResumeLayout(false);
this.groupBox1.PerformLayout();
((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
this.groupBox2.ResumeLayout(false);
this.groupBox2.PerformLayout();
this.groupBox3.ResumeLayout(false);
this.groupBox4.ResumeLayout(false);
this.groupBox4.PerformLayout();
this.groupBox5.ResumeLayout(false);
this.groupBox5.PerformLayout();
this.contextMenuStrip1.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TrackBar trackBar1;
private System.Windows.Forms.Label lblDisInfo;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.GroupBox groupBox3;
private System.Windows.Forms.ComboBox comboBox1;
private System.Windows.Forms.GroupBox groupBox4;
private System.Windows.Forms.ComboBox comboBox2;
private System.Windows.Forms.CheckBox checkBox1;
private System.Windows.Forms.GroupBox groupBox5;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Label lblInfo;
private System.Windows.Forms.RadioButton radioButton1;
private System.Windows.Forms.RadioButton radioButton2;
private System.Windows.Forms.DateTimePicker dateTimePicker1;
private System.Windows.Forms.Timer timer1;
private System.Windows.Forms.NotifyIcon notifyIcon1;
private System.Windows.Forms.ContextMenuStrip contextMenuStrip1;
private System.Windows.Forms.ToolStripMenuItem 显示ToolStripMenuItem;
private System.Windows.Forms.ToolStripMenuItem 退出ToolStripMenuItem;
private System.Windows.Forms.Timer timer2;
}
