WPF – Tech Talk

January 7, 2013

Invert a Color in C#

A very quick code snippet for you all today. I had encountered an issue where I needed to invert the text color from the background (color was changing consistently from the user). So after some googling and playing around, I created something to do just that for me. First we needed a method to take convert our color to a...

C#/WPF Comments: 0

June 25, 2012

The image cannot be decoded. The image header might be corrupted

I was recently trying to send to Telerik’s image editing control a jpeg image in a stream format. I was checking for the other types and using the appropriate format providers, but I kept getting an exception when working with JPEGs : The image cannot be decoded. The image header might be corrupted With the following code : So, I...

C#/WPF Comments: 4

June 1, 2012

Filter an ObservableCollection with a CollectionView in C#

Using an ObservableCollection and need to filter its contents? A quick and easy way I found was to create and bind to a CollectionView to perform the filtering for you. Step 1 : Create the Observable Collection The first step is to create the observable collection. This will work for objects or system type lists, so feel free to use...

C#/WPF Comments: 6

May 5, 2011

Open Documents and Media in WPF’s Web Browser Control in C#

Ever need to display a word document in the same application and didn’t want to shell execute word? Ever need to display text from a rich text file or regular text file? How about quickly displaying an image file? All of these could use there own controls in WPF (Document Viewer, Image control, etc..), however if you use the web browser...

C#/Development/WPF Comments: 6

March 11, 2011

Do a Like Statement in LINQ in C#

There has been a few times I needed to do a like statement in LINQ, but didn’t know exactly how to go about it. Just in case there are you out there looking for the same, I thought I would post what I did. For example, say you had this SQL statement : This would translate to LINQ code in...

C#/SQL/WPF Comments: 0

January 12, 2011

Replacing Names Quickly in Visual ‘s Find and Replace

Part of the perks of moving your application to MvvM, you dont have to name your controls since you are binding everything. This frees up resources when running your application. Since my application was fairly large, I decided to dabble in Visual ‘s regular expression to replace all the names. I ended up putting :

WPF Comments: 0

January 12, 2011

Getting the Connection String From Your App.Config In WPF and C#

I am using Active Reports and came across a problem where I needed to send the report a connection string. Before I would build the connection string based on what database was used, etc… from an INI file. Now we moved to a MvvM structure with the connection string in the App.Config. I had found a common solution : This...

WPF Comments: 2

December 6, 2010

Constraining the Mouse to a Graphical Element

I was creating a dashboard application which I needed to give the ability to drag and move a widget around a tab control item.

WPF Comments: 0

November 19, 2010

WPF Development Tools

Here is a list of a few of the tools I use to help you out when learning and using WPF.

Development/Tools/WPF Comments: 0

February 20, 2010

WPF Filtering a Combobox

Setting Up the ComboBox So in WPF, I wanted to filter a combobox to treat it as an autocompletebox. Note : This tutorial expects you understand how to populate the combobox to have the data to filter. I started off enabling two items on the properties tab of the combobox. isEditable Allows the user to be able to type in...

WPF Comments: 3

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Tech Talk

Category: WPF

Invert a Color in C#

The image cannot be decoded. The image header might be corrupted

Filter an ObservableCollection with a CollectionView in C#

Open Documents and Media in WPF’s Web Browser Control in C#

Do a Like Statement in LINQ in C#

Replacing Names Quickly in Visual ‘s Find and Replace

Getting the Connection String From Your App.Config In WPF and C#

Constraining the Mouse to a Graphical Element

WPF Development Tools

WPF Filtering a Combobox

Category: WPF

Invert a Color in C#

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The image cannot be decoded. The image header might be corrupted

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Filter an ObservableCollection with a CollectionView in C#

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Open Documents and Media in WPF’s Web Browser Control in C#

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Do a Like Statement in LINQ in C#

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Replacing Names Quickly in Visual ‘s Find and Replace

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Getting the Connection String From Your App.Config In WPF and C#

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Constraining the Mouse to a Graphical Element

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WPF Development Tools

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WPF Filtering a Combobox

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