Sample Download :
CS Version: http://code.msdn.microsoft.com/How-to-find-the-text-and-e92b8d78
VB Version: http://code.msdn.microsoft.com/How-to-find-the-text-and-5da4ceb4
The sample demonstrates how to find and highlight all matched text in RichTextBox of Windows Form.
Users can input text that they want to search in search combobox, and then they also can select find options and highlight color, if the searched text exists in richtextbox, the searched text will be highlighted with the selected color; and if the searched text can't be found in the text of richtextbox control, a prompt message will be shown.
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