public void Open(int sizeId)
{
if (this._handle == 0)
{
Error.ThrowNativeException(ObjectDisposed);
}
if (sizeId < 0 || this._cameraInfo.SupportedPreviewSizes.Count < sizeId)
{
Error.ThrowNativeException(ArgumentOutOfRange);
}
int errorCode = Camera.OpenNative(this._handle, this._cameraInfo.SupportedPreviewSizes[sizeId]);
if (errorCode < 0)
{
this.Close();
}
else
{
CameraSize currentPreviewSize;
errorCode = Camera.GetPreviewSizeNative(this._handle, out currentPreviewSize);
if (errorCode < 0)
{
this.Close();
}
else
{
this._currentPreviewSize = currentPreviewSize;
CameraImageFormat currentPreviewImageFormat;
errorCode = Camera.GetPreviewImageFormatNative(this._handle, out currentPreviewImageFormat);
if (errorCode < 0)
{
this.Close();
}
else
{
this._currentPreviewImageFormat = currentPreviewImageFormat;
}
}
}
}
private static extern int TakePictureNative(int handle, CameraSize size);
private static extern int GetPreviewSizeNative(int handle, out CameraSize size);
private static extern int OpenNative(int handle, CameraSize size);
private static extern int GetSupportedPictureSizeNative(int cameraId, int sizeId, out CameraSize size);
