/// <summary>
/// 开始录制
/// </summary>
/// <returns>是否成功</returns>
public bool Start()
{
if (this._IsStarted)
{
return(false);
}
this._IsStarted = true;
int nSleep = m_nSleep;
Win32.RECT rect = new Win32.RECT();
new Thread(() => {
while (_IsStarted)
{
if (m_hWnd != IntPtr.Zero) //如果指定了句柄 录制该窗体区域
{
if (Win32.GetWindowRect(m_hWnd, ref rect))
{
m_rect = rect.ToRectangle();
}
else
{
_IsStarted = false;
lock (this._Frames) {
if (this._Frames.Count == 0)
{
this.OnRecordError(new RecordErrorEventArgs("[" + m_hWnd.ToString("X8") + "]" + new Win32Exception(Marshal.GetLastWin32Error()).Message));
}
}
break;
}
}
Image img = this.GetScreen(m_rect);
string strHash = this.GetImageHash(img);
if (strHash == m_strLastHash)
{
nSleep += m_nSleep; //如果和上一帧数据重复 则不添加帧 多添加一轮延时
}
else
{
if (_IsStarted)
{
lock (this._Frames) this._Frames.Add(img, nSleep);
}
nSleep = m_nSleep;
m_strLastHash = strHash;
}
Thread.Sleep(m_nSleep);
}
})
{
IsBackground = true
}.Start();
return(true);
}
private void imageCroppingBox1_MouseMove(object sender, MouseEventArgs e)
{
if (m_ptCurrent == e.Location)
{
return;
}
m_ptCurrent = e.Location;
if (imageCroppingBox1.IsLockSelected) //如果已经锁定了选取 则有可能是正在进行后期绘制
{
imageCroppingBox1.Cursor = imageCroppingBox1.SelectedRectangle.Contains(e.Location) ? Cursors.Cross : Cursors.Default;
if (m_bDrawEffect)
{
this.DrawEffects(); //如果说在mousedown中设置了绘制标识 那么则表示是在进行后期绘制
}
else if (imageCroppingBox1.SelectedRectangle.Contains(e.Location)) //如果没有设置绘制标识 判断鼠标是否在选取内
{
imageCroppingBox1.Invalidate(imageCroppingBox1.SelectedRectangle); //重绘选取 以便在paint绘制画笔大小预览(圆和矩形的那个)
}
return;
}//如果已经锁定选取 那么直接return掉
//在mousemove中还有可能是正在根据鼠标位置自动框选窗体 以下代码为获取窗体信息
string strText = string.Empty;
string strClassName = string.Empty;
m_bDrawInfo = !(imageCroppingBox1.IsSelected || e.Button != MouseButtons.None);
if (!m_bDrawInfo)
{
return; //如果已经有选取 或者移动过程中有鼠标被点下 都不需要获取窗体信息了
}
IntPtr hWnd = Win32.GetWindowFromPoint(e.Location.X, e.Location.Y, this.Handle, m_bGetVisable, m_bGetTransparent);
m_hWnd = hWnd; //更具鼠标位置获取窗体句柄
strClassName = Win32.GetClassName(hWnd);
strText = Win32.GetWindowText(hWnd);
Win32.RECT rect = new Win32.RECT();
Win32.GetWindowRect(hWnd, ref rect); //获取窗体大小
m_rect = rect.ToRectangle();
if (m_bSpyWeb && strClassName.ToLower() == "internet explorer_server") //如果说当前窗体是webbrowser控件 并且有设置进行spy
{
var element = Win32.GetHtmlDocument(hWnd).elementFromPoint(e.Location.X - rect.Left, e.Location.Y - rect.Top);
if (element != null)
{
var p = ((mshtml.IHTMLElement2)element).getBoundingClientRect(); //获取当前鼠标下的html元素信息
m_rect.X = rect.Left + p.left;
m_rect.Y = rect.Top + p.top;
m_rect.Width = p.right - p.left;
m_rect.Height = p.bottom - p.top;
string strInner = element.innerText == null ? "null" : element.innerText.Trim().Split('\n')[0];
strText = string.Format("<{0}>innerText:[{1}]", element.tagName, strInner + (strInner.Length == 1 ? "" : "..."));
if (strText.Length > 100)
{
strText = strText.Substring(0, 100) + "...]";
}
}
}
m_strShow = string.Format("TEXT:{0}\r\nHWND:0x{1} [{2}]", strText, hWnd.ToString("X").PadLeft(8, '0'), strClassName);
if (m_rectScreen.X < 0)
{
m_rect.X -= m_rectScreen.X; //判断一下屏幕的坐标是否是小于0的 如果是 则在绘制区域的时候需要加上这个差值
}
if (m_rectScreen.Y < 0)
{
m_rect.Y -= m_rectScreen.Y; //多显示器屏幕坐标可能是负数{如(-1920,0)两个显示器 主显示器在右边} 在绘制的时候窗体内部坐标是0开始的 需要转换
}
m_rect.Intersect(imageCroppingBox1.DisplayRectangle); //确定出来的区域和截图窗体的区域做一个交集 (不能让区域超出屏幕啊 比如屏幕边缘有个窗体 那么框选出来的区域是超出屏幕的)
imageCroppingBox1.Invalidate();
}