3. About Me
Member of the Global Mobility Practices team
Free consulting can occasionally be bought for a large
bag of fries and a cold drink
Blog: http://blogs.msdn.com/knowledgecast
Email: arunjeet.singh@microsoft.com
Twitter: @arunjeetsingh
4. Session Prerequisites
Visual Studio.NET
.NET Compact Framework
Familiarity with P/Invoke
Knowledge of Windows Mobile Development
5. What We Will Learn Today
What Makes a Great Looking UI
Transparency and Custom Borders
Some Guidelines
The UI Framework
Recap and Next Steps
Q&A
14. Transparent Backgrounds
One color (the background) is transparent
Support OOB in .NET Compact Framework
ImageAttributes attr = new ImageAttributes();
attr.SetColorKey(Color.Red, Color.Red);
e.Graphics.DrawImage(bmp, destRect, 0, 0, bmp.Width, bmp.Hei
ght, GrahicsUnit.Pixel, attr)
15. Semi-transparent Images
The image blends in with the background
Alpha Blending
Supported by the Platform
[DllImport(quot;coredll.dllquot;)
extern public static Int32 AlphaBlend(IntPtr hdcDest,
Int32 xDest, Int32 yDest, Int32 cxDest,
Int32 cyDest, IntPtr hdcSrc, Int32 xSrc,
Int32 ySrc, Int32 cxSrc, Int32 cySrc,
BlendFunction blendFunction);
16. Building a Splash Screen
Arunjeet Singh
Mobility Consultant
Microsoft
17. Using the Alpha Channel
Parts of the image are drawn with an “alpha”
channel
The channel defines custom transparency
Supported by a COM interfaces of the Imaging
API
IImagingFactory
IImage
21. Some Guidelines
Window transparency is not supported
Drawing must be done in one Graphics context
Reuse drawing resources (Brushes, Pens, Fonts)
Use double buffering
24. Next Steps
Get the Windows Mobile 6 SDK
http://www.microsoft.com/downloads/details.aspx?fa
milyid=06111A3A-A651-4745-88EF-
3D48091A390B&displaylang=en
25. Next Steps
Leverage what we talked about today
http://code.msdn.microsoft.com/Release/ProjectReleases.aspx?
ProjectName=uiframework&ReleaseId=2315
27. More Information
Code from this session:
http://code.msdn.microsoft.com/Release/ProjectReleases.a
spx?ProjectName=uiframework&ReleaseId=2315
How to create a Microsoft .NET Compact Framework-
based Image Button:
http://msdn.microsoft.com/en-us/library/aa446518.aspx
Chris Lorton’s blog (Alpha Blending):
http://blogs.msdn.com/chrislorton/archive/2006/04/07/57
0649.aspx
28. More Information
How-to Display Gradient Fill:
http://msdn.microsoft.com/en-us/library/ms229655.aspx
Building Graphically advanced Apps in .NET Compact
Framework:
http://expression.microsoft.com/en-us/dd279543.aspx
MSDN Article that covers these concepts:
http://msdn.microsoft.com/en-us/library/dd630622.aspx
29.
30. Related Content
May 15 (1100 – 1215) - Windows mobile platform: Past, Present and Future
May 15 (1500 – 1615) - Occasionally connected Applications using the Sync Framework
May 15 (1630 – 1745) - Understanding and optimizing for .NET CF Memory Architecture
Exam 70-540 - Microsoft Windows Mobile 5.0 - Application Development
