/// <summary>
/// 打开摄像头配置页面
/// 系统原生方式
/// </summary>
public void ChangeCameraSetting()
{
DsCAUUID cauuid = new DsCAUUID();
try
{
specifyPropertyPages = _theCamera as ISpecifyPropertyPages;
if (specifyPropertyPages == null)
{
MessageBox.Show("请先打开视频设备！");
return;
}
//返回filter所支持的属性页的CLSID
int hr = specifyPropertyPages.GetPages(out cauuid);
if (hr != 0)
{
Marshal.ThrowExceptionForHR(hr);
}
object o = specifyPropertyPages;
//获取属性页
hr = OleCreatePropertyFrame(this._priviewControlHandle, 30, 30, null, 1,
ref o, cauuid.cElems, cauuid.pElems, 0, 0, IntPtr.Zero);
}
catch (Exception ex)
{
MessageBox.Show("Unable display property page. Please submit a bug report.\n\n" + ex.Message + "\n\n" + ex.ToString());
}
}
public static bool ShowTunerPinDialog(ICaptureGraphBuilder2 bld, IBaseFilter flt, IntPtr hwnd)
{
int hr;
object comObj = null;
ISpecifyPropertyPages spec = null;
DsCAUUID cauuid = new DsCAUUID();
try {
Guid cat = PinCategory.Capture;
Guid type = MediaType.Interleaved;
Guid iid = typeof(IAMTVTuner).GUID;
hr = bld.FindInterface(ref cat, ref type, flt, ref iid, out comObj);
if (hr != 0)
{
type = MediaType.Video;
hr = bld.FindInterface(ref cat, ref type, flt, ref iid, out comObj);
if (hr != 0)
{
return(false);
}
}
spec = comObj as ISpecifyPropertyPages;
if (spec == null)
{
return(false);
}
hr = spec.GetPages(out cauuid);
hr = OleCreatePropertyFrame(hwnd, 30, 30, null, 1,
ref comObj, cauuid.cElems, cauuid.pElems, 0, 0, IntPtr.Zero);
return(true);
}
catch (Exception ee)
{
Trace.WriteLine("!Ds.NET: ShowCapPinDialog " + ee.Message);
return(false);
}
finally
{
if (cauuid.pElems != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(cauuid.pElems);
}
spec = null;
if (comObj != null)
{
Marshal.ReleaseComObject(comObj);
}
comObj = null;
}
}