private static IEnumerator CaptureScreenRectShot(Canvas cans, RectTransform rect, bool bTimeLine)
{
Rect targetRect = GameFunction.GetSpaceRect(cans, rect, cans.worldCamera);
Int32 timestamp = (Int32)(DateTime.Now.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
string screenshotname = GameDefine.ScreenshotSavePath + timestamp.ToString() + ".png";
yield return(new WaitForEndOfFrame());
Texture2D tex = new Texture2D((int)targetRect.width, (int)targetRect.height, TextureFormat.RGBA32, false);
tex.ReadPixels(targetRect, 0, 0);
tex.Apply();
File.WriteAllBytes(screenshotname, tex.EncodeToPNG());
while (!File.Exists(screenshotname))
{
yield return(new WaitForSeconds(0.05f));
}
WeChat_ShareImageByPath(screenshotname, bTimeLine);
}