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TIP: Handling WPF DialogResult with simplicity

, 4 Sep 2010 CPOL 21.7K 1
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Shorter way to evaluate DialogResult after calling Window.ShowDialog
I have seen many code snippets like:
 
frm.ShowDialog();
if (frm.DialogResult.HasValue && frm.DialogResult.Value) 
{
   // do something here
}
or
DialogResult result = frm.ShowDialog();
if (result.HasValue && result.Value)
{
   // do something here
}
This double check is done because DialogResult is of nullable type: bool?, but evaluation can be as simple as:
frm.ShowDialog();
if (frm.DialogResult.Equals(true))
{
   // do something here
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Jaime Olivares
Architect Freelance (jaimeolivares.com)
Peru Peru


Computer Electronics professional, Software Architect and senior Windows C++ and C# developer with experience in many other programming languages, platforms and application areas including communications, simulation systems, PACS/DICOM (radiology), GIS, 3D graphics and HTML5-based web applications.
Currently intensively working with Visual C# 2013 and TFS.
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Comments and Discussions

 
QuestionMy 2 cents Pin
Thomas Polaert14-Dec-12 1:49
memberThomas Polaert14-Dec-12 1:49 
GeneralThanks.. I guess the best way to check for bool? is the make... Pin
Simon Dufour19-Aug-10 4:24
memberSimon Dufour19-Aug-10 4:24 

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