private void LoadPageSetting()
{
IVideoSourceDescription videoDesc = ListVideoProvider[_DeviceInfo.ProviderName];
sourcePage = videoDesc.GetSettingsPage();
sourcePage.SetConfiguration((object)_DeviceInfo);
List <CameraInfo> listCam = new List <CameraInfo>();
if (_DeviceInfo.ListCamera != null)
{
foreach (KeyValuePair <int, CameraInfo> item in _DeviceInfo.ListCamera)
{
listCam.Add(item.Value);
}
}
sourcePage.DeviceName = _DeviceInfo.Name;
sourcePage.ListCam = listCam;
Control control = (Control)sourcePage;
this.Width = control.Width;
this.Height = control.Height + pnBottom.Height + 30;
pbBtContainer.Left = (this.Width - pbBtContainer.Width) / 2;
control.Dock = DockStyle.Fill;
pnTop.Controls.Add(control);
this.StartPosition = FormStartPosition.CenterScreen;
this.Left = (Screen.PrimaryScreen.WorkingArea.Width - this.Width) / 2;
}
public IVideoSource CreateVideoSource(string providerName)
{
IVideoSource videoSource = null;
IVideoSourceDescription sourceDesc = GetProviderByName(providerName);
if (sourceDesc == null)
{
return(null);
}
videoSource = sourceDesc.CreateVideoSource(null);
return(videoSource);
}
// Load assembly and find video provider descriptors there
private void LoadAssembly(string fname)
{
Type typeVideoSourceDesc = typeof(IVideoSourceDescription);
Assembly asm = null;
try
{
// try to load assembly
asm = Assembly.LoadFrom(fname);
// get types of the assembly
Type[] types = asm.GetTypes();
// check all types
foreach (Type type in types)
{
// get interfaces ot the type
Type[] interfaces = type.GetInterfaces();
// check, if the type is inherited from IVideoSourceDescription
if (Array.IndexOf(interfaces, typeVideoSourceDesc) != -1)
{
IVideoSourceDescription desc = null;
try
{
// create an instance of the type
desc = (IVideoSourceDescription)Activator.CreateInstance(type);
// create provider object
_ListVideoProvider.Add(desc.Name, desc);
}
catch (Exception)
{
// something failed during instance creatinion
}
}
}
}
catch (Exception)
{
}
}
// 加载程序集
private void LoadAssembly(string fname)
{
Type typeVideoSourceDesc = typeof(IVideoSourceDescription);
Assembly asm = null;
try
{
// 加载assembly程序集
asm = Assembly.LoadFrom(fname);
// 获取程序集type
Type[] types = asm.GetTypes();
// 检验各种类型
foreach (Type type in types)
{
// 获取接口
Type[] interfaces = type.GetInterfaces();
// 检查type是否继承 IVideoSourceDescription
if (Array.IndexOf(interfaces, typeVideoSourceDesc) != -1) //在interfaces中匹配typeVideoSourceDesc类型
{
IVideoSourceDescription desc = null;
try
{
// 创建此type的实例
desc = (IVideoSourceDescription)Activator.CreateInstance(type);
// 创建提供商对象
InnerList.Add(new VideoProvider(desc));
}
catch (Exception)
{
}
}
}
}
catch (Exception)
{
}
}
private void LoadPageSetting()
{
if (sourcePage != null)
{
Controls.Remove((Control)sourcePage);
}
deviceDescription1.Visible = false;
IVideoSourceDescription videoDesc = deviceDescription1.VideoDesc;
sourcePage = videoDesc.GetSettingsPage();
sourcePage.DeviceName = deviceDescription1.DeviceEntity.Name;
Control control = (Control)sourcePage;
this.Width = control.Width;
this.Height = control.Height + pnBottom.Height + 30;
pbBtContainer.Left = (this.Width - pbBtContainer.Width) / 2;
control.Dock = DockStyle.Fill;
pnTop.Controls.Add(control);
this.StartPosition = FormStartPosition.CenterScreen;
this.Left = (Screen.PrimaryScreen.WorkingArea.Width - this.Width) / 2;
}
// 构造函数 根据参数建立sourceDesc
public VideoProvider(IVideoSourceDescription sourceDesc)
{
this.sourceDesc = sourceDesc;
}
// 构造函数 根据参数建立sourceDesc
public VideoProvider(IVideoSourceDescription sourceDesc)
{
this.sourceDesc = sourceDesc;
}
