Net Tutorial: How to show alert MessageBox in Windows forms applications in C#.net || How to show Confirm MessageBox with Yes No buttons in windows Applications in C#.net
Understanding Message Box in Windows Forms using C#
MessageBox.Show Method in C#
MessageBox.Show Method in C#
C# Message Box
Easy to use, custom C# Message Box with a configurable checkbox. | medmondson2011
visual studio 2008 - C# MessageBox with DialogResult giving "No overload for method 'Show' takes '3' arguments" - Stack Overflow