C#实现屏幕录像
C#实现屏幕录像
08年捣鼓的小东西,当时发在一个sns 网站上,不能在vista下运行
截个图先:
Demo 下载:
http://hocor.cn/sc.rar
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Code
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using WMEncoderLib;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Threading;
using System.IO;
using System.Drawing.Drawing2D;
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namespace F.ScreenCamera
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{
public partial class MainForm : Form
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{
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有关系统托盘#region 有关系统托盘
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/**//// <summary>
/// 托盘图标类实例
/// </summary>
private NotifyIcon notifyIcon;
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/**//// <summary>
/// 托盘菜单
/// </summary>
private ContextMenu notificationMenu;
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/**//// <summary>
/// 初始化托盘
/// </summary>
public void NotificationIcon()
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{
notifyIcon = new NotifyIcon();
notificationMenu = new ContextMenu(InitializeMenu());
notifyIcon.DoubleClick += IconDoubleClick;
notifyIcon.Icon = this.Icon;
notifyIcon.ContextMenu = notificationMenu;
notifyIcon.Visible = true;
}
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/**//// <summary>
/// 托盘菜单
/// </summary>
/// <returns></returns>
private MenuItem[] InitializeMenu()
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{
//加载主题菜单
MenuItem SkinMenu = new MenuItem("主题");
DirectoryInfo dir = new DirectoryInfo(Application.StartupPath + "\\Skin");
foreach (FileInfo skinfile in dir.GetFiles())
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{
string skinname = skinfile.Name.Substring(0, (int)skinfile.Name.Length - 4);
SkinMenu.MenuItems.Add(new MenuItem(skinname, ChangeSkin));
}
//
//
MenuItem[] menu = new MenuItem[]
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{
new MenuItem("显示主窗口", IconDoubleClick),
new MenuItem("隐藏主窗口", HideMainForm),
SkinMenu,
new MenuItem("关于", menuAboutClick),
new MenuItem("退出", menuExitClick)
};
return menu;
}
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托盘事件#region 托盘事件
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/**//// <summary>
/// 托盘关于菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuAboutClick(object sender, EventArgs e)
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{
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if (about == null || about.IsDisposed)
about = new About();
about.Show();
}
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/**//// <summary>
/// 托盘退出菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void menuExitClick(object sender, EventArgs e)
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{
this.notifyIcon.Visible = false;
Application.Exit();
}
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/**//// <summary>
/// 双击托盘图标显示主窗口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void IconDoubleClick(object sender, EventArgs e)
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{
this.Visible = true;
this.WindowState = FormWindowState.Normal;
}
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/**//// <summary>
/// 隐藏主窗口
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HideMainForm(object sender, EventArgs e)
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{
this.WindowState = FormWindowState.Minimized;
this.Visible = false;
}
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/**//// <summary>
/// 改变风格
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChangeSkin(object sender, EventArgs e)
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{
string skinname = ((MenuItem)sender).Text;
SetSkin(skinname);
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("skin", skinname);
}
#endregion
#endregion
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Win32#region Win32
[DllImport("user32")]
static extern IntPtr SetCapture(IntPtr hwnd);
[DllImport("user32")]
static extern IntPtr ReleaseCapture();
[DllImport("user32.dll")]
static extern IntPtr WindowFromPoint(IntPtr xPoint, IntPtr yPoint);
[DllImport("user32.dll")]
static extern IntPtr GetDC(IntPtr hWnd);
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[StructLayout(LayoutKind.Sequential)]
public struct RECT
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{
public int left;
public int top;
public int right;
public int bottom;
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public int Width()
{ return right - left; }
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public int Height()
{ return bottom - top; }
}
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[DllImport("user32.dll")]
// 注意,运行时知道如何列集一个矩形
static extern IntPtr GetWindowRect(IntPtr hwnd, ref RECT rc);
[DllImport("user32.dll")]
static extern IntPtr PostMessage(IntPtr hWnd, IntPtr iMsg, IntPtr wParam, IntPtr lParam);
#endregion
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成员#region 成员
private WMEncoder enc;
IWMEncSourcePluginInfoManager wspim;
Rectangle lastrect = new Rectangle(0, 0, 0, 0);
private About about;
public fScreen screen;
private Thread th;
private delegate void VoidDelegate();
#endregion
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/**////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// 程序初始化
/// </summary>
private void AppInit()
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{
enc = new WMEncoderClass();
LoadSeting();
}
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/**//// <summary>
/// 设置皮肤
/// </summary>
/// <param name="SkinName"></param>
private void SetSkin(string SkinName)
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{
this.skin.SerialNumber = "";
this.skin.SkinFile = "Skin\\" + SkinName + ".ssk";
}
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/**//// <summary>
/// 初始压缩选项列表
/// </summary>
private void InitCompression()
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{
//
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
string Compression = appseting.ReadKeyValue("Compression");
//
enc = new WMEncoderClass();
wspim = enc.SourcePluginInfoManager;
wspim.Refresh();
IWMEncProfileCollection wpfc = enc.ProfileCollection;
IWMEncProfile wp;
this.CompressionOptionListBox.Items.Clear();
for (int i = 0; i < wpfc.Count; i++)
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{
wp = wpfc.Item(i);
this.CompressionOptionListBox.Items.Add(wp.Name);
if (wp.Name == Compression)
this.CompressionOptionListBox.SelectedIndex = i;
}
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}
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/**//// <summary>
/// 加载设置
/// </summary>
private void LoadSeting()
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
//是否录制声音
this.ChkSound.Checked =Convert.ToBoolean(appseting.ReadKeyValue("ChkSound"));
//是否隐藏主窗体
this.ChkHideMainForm.Checked = Convert.ToBoolean(appseting.ReadKeyValue("ChkHideMainForm"));
//快捷键设置
this.SkStartAndPause.Text = appseting.ReadKeyValue("SKey_StartAndPause");
this.SkStop.Text = appseting.ReadKeyValue("SKey_Stop");
this.SkShowAndHide.Text = appseting.ReadKeyValue("SKey_ShowAndHide");
//录制区域
int rect = Convert.ToInt32(appseting.ReadKeyValue("CameraRect"));
if (rect == 1)
this.RWindow.Checked = true;
else
this.RScreen.Checked = true;
//
Size sz = MainForm.GetScreenSize();
this.rw.Text = sz.Width.ToString();
this.rh.Text = sz.Height.ToString();
}
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/**//// <summary>
/// 取得选择的压缩选项
/// </summary>
/// <returns></returns>
private IWMEncProfile2 GetSelectCompressionOption()
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{
IWMEncProfileCollection wpfc = enc.ProfileCollection;
IWMEncProfile wp;
IWMEncProfile2 wp2 = new WMEncProfile2Class();
if (this.CompressionOptionListBox.SelectedIndex == -1)
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{
return null;
}
for (int i = 0; i < wpfc.Count; i++)
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{
wp = wpfc.Item(i);
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if (this.CompressionOptionListBox.SelectedItem.ToString() == wp.Name)
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{
wp2.LoadFromIWMProfile(wp);
return wp2;
}
}
return null;
}
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/**//// <summary>
/// 开始录制
/// </summary>
private void StartCamera()
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{
IWMEncSourceGroupCollection SrcGrpColl;
IWMEncSourceGroup2 SrcGrp;
IWMEncAudioSource SrcAud;
IWMEncVideoSource2 SrcVid;
IWMEncProfile2 Pro;
enc = new WMEncoderClass();
//-------------------------------------------
try
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{
SrcGrpColl = enc.SourceGroupCollection;
SrcGrp = (IWMEncSourceGroup2)SrcGrpColl.Add("SG_1");
SrcVid = (IWMEncVideoSource2)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_VIDEO);
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//是否录制声音
if (this.ChkSound.Checked)
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{
SrcAud = (IWMEncAudioSource)SrcGrp.AddSource(WMENC_SOURCE_TYPE.WMENC_AUDIO);
SrcAud.SetInput("Default_Audio_Device", "DEVICE", "");
}
SrcVid.SetInput("ScreenCapture1", "ScreenCap", "");
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指定屏幕区域录制#region 指定屏幕区域录制
if (this.RectCustom.Checked)
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{
Size priScreen = SystemInformation.PrimaryMonitorSize;
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float xx = (float)SrcVid.Height / (float)priScreen.Height;
float yy = (float)SrcVid.Width / (float)priScreen.Width;
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int ix = Convert.ToInt32(this.rx.Text);
int iy = Convert.ToInt32(this.ry.Text);
int ih = Convert.ToInt32(this.rh.Text);
int iw = Convert.ToInt32(this.rw.Text);
SrcVid.CroppingLeftMargin = (int)((float)ix * yy);
SrcVid.CroppingTopMargin = (int)((float)iy * xx);
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if (SrcVid.CroppingLeftMargin >= priScreen.Width)
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{
MessageBox.Show("屏幕区域外!");
return;
}
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if (SrcVid.CroppingTopMargin >= priScreen.Height)
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{
MessageBox.Show("屏幕区域外!");
return;
}
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int ibm = priScreen.Height - ih - iy;
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if (ibm <= 0)
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{
MessageBox.Show("屏幕区域外!");
return;
}
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int irm = priScreen.Width - iw - ix;
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if (irm <= 0)
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{
MessageBox.Show("屏幕区域外!");
return;
}
SrcVid.CroppingRightMargin = (int)((float)irm * yy);
SrcVid.CroppingBottomMargin = (int)((float)ibm * xx);
}
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#endregion
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//确定压缩方式
Pro = GetSelectCompressionOption();
if (Pro == null)
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{
MessageBox.Show("错误!请选中 视频压缩模板!");
return;
}
SrcGrp.set_Profile(Pro);
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//检查输出文件名是否为空
if (this.OutFilePathTextBox.Text.Length < 1)
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{
MessageBox.Show("请指定保存路径!");
return;
}
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输出文件名#region 输出文件名
string sFile = this.OutFilePathTextBox.Text;
string sExt = sFile.Substring(sFile.LastIndexOf("."));
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string[] sFileAr = sFile.Split(new char[]
{ \\, / });
StringBuilder sb = new StringBuilder();
int i = 0;
for (i = 0; i < sFileAr.Length - 1; i++)
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{
sb.Append(sFileAr[i]);
sb.Append("\\");
}
string sPath = sb.ToString();
sFile = sFileAr[sFileAr.Length - 1];
sFile = sFile.Substring(0, sFile.LastIndexOf(.));
this.OutFilePathTextBox.Text = sPath + sFile + sExt;
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enc.File.LocalFileName = this.OutFilePathTextBox.Text;
#endregion
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enc.Start();
}
catch (Exception e1)
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{
MessageBox.Show(e1.Message);
}
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}
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/**////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// 构造
/// </summary>
public MainForm()
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{
InitializeComponent();
//Control.CheckForIllegalCrossThreadCalls = false;
//加载皮肤
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
string skin = appseting.ReadKeyValue("skin");
this.SetSkin(skin);
//
//初始托盘
NotificationIcon();
//
//窗体大小固定
this.MinimumSize=this.Size;
this.MaximumSize = this.Size;
}
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/**//// <summary>
/// 主窗体加载事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainForm_Load(object sender, EventArgs e)
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{
AppInit();
InitCompression();
}
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/**//// <summary>
/// 选择输出文件保存路径
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SelectOutPathButton_Click(object sender, EventArgs e)
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{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "WMV文件(*.wmv)|*.wmv";
sfd.RestoreDirectory = true;
if (sfd.ShowDialog() == DialogResult.OK)
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{
this.OutFilePathTextBox.Text = sfd.FileName;
if(File.Exists(sfd.FileName))
File.Delete(sfd.FileName);
}
}
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/**//// <summary>
/// 开始录制
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void StartButton_Click(object sender, EventArgs e)
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{
if (this.CompressionOptionListBox.SelectedIndex > -1 && this.OutFilePathTextBox.Text.Trim() != "")
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{
th = new Thread( new ThreadStart(start));
th.IsBackground = true;
th.Start();
//将开始按钮不可用
this.StartButton.Enabled = false;
//暂停按钮可用
this.PauseButton.Enabled = true;
//
//窗体隐藏
if (this.ChkHideMainForm.Checked)
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{
this.WindowState = FormWindowState.Minimized;
this.Visible = false;
}
}
else
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{
if (this.OutFilePathTextBox.Text.Trim() == "")
MessageBox.Show("请选择录像文件保存位置");
if (this.CompressionOptionListBox.SelectedIndex == -1)
MessageBox.Show("请选择一种压缩方案");
}
}
private void start()
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{
VoidDelegate dstart = new VoidDelegate(StartCamera);
this.Invoke(dstart);
}
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/**//// <summary>
/// 停止录制按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void StopButton_Click(object sender, EventArgs e)
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{
th.Abort();
enc.Stop();
this.StartButton.Enabled = true;
this.PauseButton.Enabled = false;
}
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/**//// <summary>
/// 暂停录制按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PauseButton_Click(object sender, EventArgs e)
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{
if (this.PauseButton.Text != "继续录制")
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{
enc.Pause();
this.PauseButton.Text = "继续录制";
}
else
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{
enc.Start();
this.PauseButton.Text = "暂停录制";
}
}
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/**//// <summary>
/// 单击主窗体关闭按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
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{
if (e.CloseReason != CloseReason.ApplicationExitCall && e.CloseReason != CloseReason.WindowsShutDown)
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{
e.Cancel = true;
this.WindowState = FormWindowState.Minimized;
this.Visible= false;
}
else
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{
//none
}
}
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/**//// <summary>
/// 压缩选项更改
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CompressionOptionListBox_SelectedIndexChanged(object sender, EventArgs e)
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{
ListBox lb = (ListBox)sender;
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("Compression", lb.Items[lb.SelectedIndex].ToString());
}
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/**//// <summary>
/// 压缩选项更改
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CompressionOptionListBox_MouseClick(object sender, MouseEventArgs e)
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{
ListBox lb = (ListBox)sender;
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("Compression", lb.Items[lb.SelectedIndex].ToString());
}
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快捷键#region 快捷键
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/**//// <summary>
/// 快捷键
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SkStartAndPause_TextChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("SKey_StartAndPause", this.SkStartAndPause.Text);
}
//
private void SkStop_TextChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("SKey_Stop", this.SkStartAndPause.Text);
}
//
private void SkShowAndHide_TextChanged(object sender, EventArgs e)
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{
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ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("SKey_ShowAndHide", this.SkShowAndHide.Text);
}
#endregion
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录制区域#region 录制区域
private void RScreen_CheckedChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("CameraRect", "0");
}
private void RWindow_CheckedChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("CameraRect", "1");
}
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/**//// <summary>
/// 指定屏幕区域
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RectCustom_Click(object sender, EventArgs e)
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{
if (this.RectCustom.Checked)
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{
screen = new fScreen();
this.Hide();
this.WindowState = FormWindowState.Minimized;
System.Threading.Thread.Sleep(220);
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//创建一个和屏幕一样大的Bitmap
Size size = MainForm.GetScreenSize();
Image myImage = new Bitmap(size.Width, size.Height);
//从一个继承自Image类的对象中创建Graphics对象
Graphics gc = Graphics.FromImage(myImage);
gc.SmoothingMode = SmoothingMode.HighQuality;
//抓屏并拷贝到myimage里
gc.CopyFromScreen(new Point(0, 0), new Point(0, 0), size);
//保存为文件
screen.BackgroundImage = myImage;
screen.WindowState = FormWindowState.Maximized;
screen.TopMost = true;
screen.ShowDialog();
screen.Focus();
screen.TopMost = false;
screen.Refresh();
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myImage.Dispose();
gc.Dispose();
}
//
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("CameraRect", "2");
}
#endregion
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/**//// <summary>
/// 是否录声音
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ChkSound_CheckedChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("ChkSound", this.ChkSound.Checked.ToString());
}
//是否隐藏主窗体
private void ChkHideMainForm_CheckedChanged(object sender, EventArgs e)
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{
ConfigManager.AppSetings appseting = new ConfigManager.AppSetings();
appseting.UpdateKey("ChkHideMainForm", this.ChkHideMainForm.Checked.ToString());
}
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/**///////////////////////////////////////////////////////////////////////////////
/// <summary>
/// 取得屏幕大小
/// </summary>
/// <returns></returns>
public static Size GetScreenSize()
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{
//获得当前屏幕的分辨率
Screen scr = Screen.PrimaryScreen;
Rectangle rc = scr.Bounds;
Size size = new Size(rc.Width, rc.Height);
return size;
}
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08年捣鼓的小东西,当时发在一个sns 网站上,不能在vista下运行
截个图先:
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Demo 下载:
http://hocor.cn/sc.rar
下面是主要代码,
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作者:houfeng
出处:http://houfeng.cnblogs.com
本文版权归作者和博客园共有,未经作者同意请保留此声明.
出处:http://houfeng.cnblogs.com
本文版权归作者和博客园共有,未经作者同意请保留此声明.
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