There's a great wealth of knowledge in these short "How Do I" videos on MSDN.   Check out the latest videos here: http://msdn.microsoft.com/en-us/netframework/bb495180.aspx

Want to know how to do any of these 77 things?  (all links open in a new tab/windows)
 

•  #1 How Do I: Enable Windows Mobile Device Emulator UDP Support?
   
•  #2 How Do I: Successfully Debug Application Code that Establishes a Cellular or Wi-Fi Connection?
   
•  #3 How Do I: Use the ThreadPool to Execute Worker Threads?
   
•  #4 How Do I: Assure that my Application Code Continues Running when the Device is in Suspended Mode?
   
•  #5 How Do I: Use a Monitor Object for Thread Synchronization?
   
•  #6 How Do I: Synchronize Multiple Threads?
   
•  #7 How Do I: Respond to Windows Mobile’s Request to Release Resources?
   
•  #8 How Do I: Automatically Start an Application on a System State Change?
   
•  #9 How Do I: Monitor for an Application to Exit Without Draining the Device Battery?
   
• #10 How Do I: Convert a .NET Compact Framework DateTime to a Win32 SystemTime Structure?
   
• #11 How Do I: Attach the Debugger to a .NET Compact Framework Application that is Already Running?
   
• #12 How Do I: Associate an Application with the Hardware Buttons on a Windows Mobile Device?
   
• #13 How Do I: Add User Defined States?
   
• #14 How Do I: Use the GPS Intermediate Driver to Retrieve Location Information?
   
• #15 How Do I: Run Smart Device Unit Tests from a Command Prompt?
   
• #16 How Do I: Use The Remote Logging Configuration Tool?
   
• #17 How Do I: Create a Process Based Splash Screen Inside a .NET CF Application?
   
• #18 How Do I: Create a Form Based Splash Screen Inside my .NET Compact Framework Application?
   
• #19 How Do I: Use NETCFCFG to Run my Application Against a Specific Version of the .NET CF?
   
• #20 How Do I: Automate the Setup of a Debug and Test Environment that uses the Cellular Emulator?
   
• #21 How Do I: Use Existing COM Objects in .NET Compact Framework Applications?
   
• #22 How Do I: Use Custom Extension Methods to Improve the Efficiency of LINQ Queries?
   
• #23 How Do I: Use the .NET CF 3.5 Remote Performance Monitor?
   
• #24 How Do I: Detect Managed Memory Leaks Using Remote Performance Monitor?
   
• #25 How Do I: Work Around LINQ to DataSet Limitations in VB Device Projects?
   
• #26 How Do I: Efficiently Query a SQL Server Compact Database Using LINQ?
   
• #27 How Do I: Use the CLR Profiler to Detect Finalization Problems On My Device?
   
• #28 How Do I: Update User Interface Controls in Multithreaded Applications?
   
• #29 How Do I: Use Windows Communications Foundation (WCF) to Safely Send Messages to Offline Devices?
   
• #30 How Do I: Test Unit Tests for Devices?
   
• #31 How Do I: Programmatically Determine the Windows Mobile Device Type Using .NET Compact Framework 3.5?
   
• #32 How Do I: Build and Run a Unit Test for a Smart Device Application?
   
• #33 How Do I: Upgrade My Mobile Device Projects from Visual Studio 2005 to Visual Studio 2008?
   
• #34 How Do I: Correctly Terminate Multithreaded .NET Compact Framework Applications?
   
• #35 How Do I: View and Manage the List of Certificates Installed On a Device?
   
• #36 How Do I: Programmatically Control the Configuration of a Running Device Emulator?
   
• #37 How Do I: Use the New Visual Studio 2008 Device Security?
   
• #38 How Do I: Build a .NET Compact Framework 3.5 Application for Windows Mobile 6 Devices?
   
• #39 How Do I: Programmatically Control Device Emulators and the Device Emulator Manager in Visual Studio 2008?
   
• #40 How Do I: Use the Microsoft Hopper Test Tool To Stress Test My Windows Mobile Application?
   
• #41 How Do I: Update Pocket Outlook Items Without Invalid Operation Exceptions?
   
• #42 How Do I: Search the Pocket Outlook Tasks, Contacts, and Appointments Folders?
   
• #43 How Do I: Create a Visual Studio 2005 ASP.NET AJAX Application to Work with Windows Mobile Devices?
   
• #44 How Do I: Run One Instance Only of My .NET Compact Framework Application?
   
• #45 How Do I: Send and Receive SMS Messages?
   
• #46 How Do I: Download Script Code On Demand to My Internet Explorer Mobile AJAX Pages?
   
• #47 How Do I: Make Dynamic JavaScript Object Notation (JSON) Calls From Internet Explorer Mobile?
   
• #48 How Do I: Maximize Communication Efficiency of SQL Server Compact Edition Data Synchronization?
   
• #49 How Do I: Determine Whether a Windows Mobile Device Supports ASP.NET AJAX?
   
• #50 How Do I: View and Control a Windows Mobile 5.0 or Windows Mobile 6 Device from My Desktop?
   
• #51 How Do I: Find the List of Storage Cards Loaded Into My Device?
   
• #52 How Do I: Ensure That My Application Includes Necessary Security Privileges?
   
• #53 How Do I: Limit System Notifications to Only Those Containing Specific Data?
   
• #54 How Do I: Implement Universal Download Capabilities?
   
• #55 How Do I: Create an E-mail Attachment and Display to a Device for Review?
   
• #56 How Do I: Programmatically Monitor for a Specific Time of Day Without Draining a Device Battery?
   
• #57 How Do I: Detect and Verify a Network Connection?
   
• #58 How Do I: Detect and Identify a Mobile Device?
   
• #59 How Do I: Programmatically Determine Whether a Specific SQL Table Exists?
   
• #60 How Do I: Use Development Test Certificates to Sign an Application?
   
• #61 How Do I: Launch Smartphone Applications from Visual Studio?
   
• #62 How Do I: Programmatically Determine If a Device Has a Physical Keyboard Connected?
   
• #63 How Do I: Automate the Device Emulator Configuration for Windows Mobile?
   
• #64 How Do I: Monitor and Manage Display Orientation Changes?
   
• #65 How Do I: Auto Start an Application?
   
• #66 How Do I: Hide Standard Device UI Elements in a .NET Compact Framework Application?
   
• #67 How Do I: Schedule an Application to Run at a Specific Time?
   
• #68 How Do I: Determine if a Combo Box Drop-Down List is Visible within the .NET Compact Framework?
   
• #69 How Do I: Create a Test Server Using the Local Server Framework in the Windows Mobile 6 SDK?
   
• #70 How Do I: Configure the Device Emulator to Use an Emulated Cellular Connection?
   
• #71 How Do I: Get an Application to Automatically Start When a Mobile Device Wakes Up?
   
• #72 How Do I: Debug Native Code in a Managed Windows Mobile Application?
   
• #73 How Do I: Implement a Managed Application Requiring Callbacks from a Native API?
   
• #74 How Do I: Create a Desktop Project for Installing CAB Files to a Windows Mobile Device?
   
• #75 How Do I: Merge Replication for Windows Mobile Device Access? (Part 2)
   
• #76 How Do I: Merge Replication for Windows Mobile Device Access? (Part 1)
   
• #77 How Do I: Improve Data Performance using Visual Studio 2005?