摘要：How to convert between URI and normal file path:Convert normal file path to URI:Uri uri = new Uri(@"c:\Documents\myfile");Convert URI to normal file p... 阅读全文

摘要：In a timer handler (function), we should set a flag to avoid function re-entering, for example:bool bProcessing = false;void onTimer(){if (bProcessing... 阅读全文

摘要：If you want to customize a scrollbar for a control such as listbox as follows:You can define xaml as follows (wrap listbox with a scrollviewer): ... 阅读全文

摘要：When creating certificate via KeyChain in an old mac, then you want to use it in a new mac, you may see the following warning "valid signing identity ... 阅读全文

摘要：Prepare Provisioning profile:Keychain Access-->Certificate Assistant-->Request a Certificate from a Certificate Authority-->input email address (App I... 阅读全文