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October 2007 - Posts

Friday, October 26, 2007 1:40 PM

Create a WPF Form to choose a text color

I wanted to choose some nice colors for various kinds of text, so I wrote a simple text color picker using Windows Presentation Foundation (WPF) . The code creates a TextBlock and 4 slider controls: one for Alpha channel (Opacity) and one each for Red,
Posted by Calvin_Hsia | 2 Comments
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Thursday, October 11, 2007 10:55 PM

Resize your pictures for your phone or pocket pc

I have many digital pictures, and I'd like to put some of my favorites on my SmartPhone . However the files are much higher resolution than the device's display. This means the files take a lot more memory on the phone, and they take longer to process.
Posted by Calvin_Hsia | 9 Comments
Monday, October 08, 2007 12:13 PM

Generate and run PowerShell scripts dynamically

In my prior post Use new XML Features of VB to generate dynamic scripts and text files , we generated a simple batch file. It’s difficult to modify the registry or manipulate a COM object PowerShell scripts allow you to manipulate files, registry and
Posted by Calvin_Hsia | 3 Comments
Thursday, October 04, 2007 10:50 AM

Use new XML Features of VB to generate dynamic scripts and text files

There's a very useful feature that FoxPro users have had for over 2 decades: being able to output text in any format, with WYSIWYG and the ability to embed expressions (The TEXT…ENDTEXT command ) Generating XML, HTML, Bat files, PowerShell Script, etc
Posted by Calvin_Hsia | 13 Comments
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Tuesday, October 02, 2007 11:49 PM

Customize the display of types in the Debugger using Extension Methods and DebuggerDisplay Attribute

I was writing some code using System.Text.StringBuilder . : Dim sb As New StringBuilder( "Init SB String" ) At a breakpoint the debugger Locals Window shows + sb {System.Text.StringBuilder} System.Text.StringBuilder If I expand by clicking on the "+",
Posted by Calvin_Hsia | 6 Comments
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Monday, October 01, 2007 1:41 PM

Create your own web browser on your SmartPhone

Windows Mobile 5.0 comes with a Web Browser (v6 is due out any day now). It runs on Pocket PCs and SmartPhones. That browser only allows one web page to show at a time: to show another page, you have to navigate away from the current page. I created a
Posted by Calvin_Hsia | 1 Comments
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