Ways to troubleshoot form flicker issues

1. When declaring a form class, add:
Private
Procedure CreateParams (var params:tcreateparams); Override

2. In the Form Implementation section, add:
Procedure Tfrm_main.createparams (var params:tcreateparams);
Begin
inherited;
Params.exstyle: = 33554432; 0x 02 00 00 00
End

has been tested to effectively resolve flicker problems with forms that contain multiple controls. See the original posts: http://social.msdn.microsoft.com/forums/en-US/winforms/thread/aaed00ce-4bc9-424e-8c05-c30213171c2c/

Http://blog.sina.com.cn/s/blog_6016bdc80100frvx.html

Ways to troubleshoot form flicker issues