void Initialize()
{
if (firstActive)
{
throw new VideoGrabberException("已經呼叫過 BeginGrabber() 方法了！");
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
EndGrabber();
throw new VideoGrabberException("系統未安裝 DirectX 8.1 以後的版本！");
}
/*
* //if( ! DsDevice.GetDevicesOfCat( FilterCategory.VideoInputDevice, out capDevices ) )
* if( (capDevices = DsDevice.GetDevicesOfCat( FilterCategory.VideoInputDevice )) == null )
* {
* EndGrabber();
* throw new VideoGrabberException("未偵測到視訊裝置！");
* }
*
* DsDevice dev = null;
* if( capDevices.Length == 1 )
* dev = capDevices[0] as DsDevice;
* else
* {
* DeviceSelector selector = new DeviceSelector( capDevices );
* selector.ShowDialog( this );
* dev = selector.SelectedDevice;
* }
*/
if (capDevice == null)
{
DeviceSelector selector = new DeviceSelector( );
if (selector.Devices.Length > 1)
{
selector.ShowDialog(this);
}
capDevice = selector.SelectedDevice;
if (capDevice == null)
{
EndGrabber();
throw new VideoGrabberException("無法取得視訊裝置！");
}
}
if (!StartupVideo(capDevice.Mon))
{
EndPreview();
EndGrabber();
throw new VideoGrabberException("無法初始化設定視訊裝置！");
}
}
void Initialize()
{
if (firstActive)
{
throw new VideoGrabberException("已經呼叫過 BeginGrabber() 方法了！");
}
firstActive = true;
if (!DsUtils.IsCorrectDirectXVersion())
{
EndGrabber();
throw new VideoGrabberException("系統未安裝 DirectX 8.1 以後的版本！");
}
if (capDevice == null)
{
if ((capDevices = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice)) == null)
{
EndGrabber();
throw new VideoGrabberException("未偵測到視訊裝置！");
}
if (capDevices.Length >= 1)
{
capDevice = capDevices[0] as DsDevice;
}
else
{
DeviceSelector selector = new DeviceSelector();
selector.ShowDialog(this);
capDevice = selector.SelectedDevice;
}
}
if (capDevice == null)
{
EndGrabber();
throw new VideoGrabberException("無法取得視訊裝置！");
}
if (!StartupVideo(capDevice.Mon))
{
EndGrabber();
throw new VideoGrabberException("無法初始化設定視訊裝置！");
}
grabberThread = new Thread(new ThreadStart(Processing));
}
