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 Zebra Notes: Open, Save, Save As, and Format with a Rich Text Box

Zebra Notes: Open, Save, Save As, and Format with a Rich Text Box

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Module 19: Zebra Notes: Open, Save, Save As, and Format with a Rich Text Box

In this lesson we will create an application similar to notepad, but we will use a RichTextBox so that you can format the text to make it bold, italics, etc.
The file type that we will create is rtf.

Goals:

• Work with a Rich Text Box;
• Format Text; Save changes;
• Remind to Save;
• Use Context menus to copy, cut and paste.

Objectives:

• Use variables to track changes;
• Resize a Rich text box;
• Use a timer to show the current time;
• Work with an RTF file;
• Write code to create a context menu
• Implement Ask to Save.

Please study the material at each of the links below.

1. Microsoft Reference: The Rich Text Box Overview
2. Build the Form: Show all the controls and properties for this project
3. Declare variables to track changes: In order to remind the user to save, we use a Boolean variable changed
4. Resize: Rich text box fills the form: Richtext box fills the lower part of the form: between the toolstrip and the statusbar
5. Display the date and time on timer tick: Timer event: toolStripStatusDateTime.Text = System.DateTime.Now.ToString();
6. Save the file as rtf: Code for function to save the contents of the richtext box to file
7. Do you want to save?: If there have been changes warn user when they select New, Open, or exit program.
8. Remind to save before closing: Code to cancel closing the form if user wants to save first.
9. Remind to save before Opening new file: Code to open a new file and load it asks about saving first
10. Remind to save when selecting New: On selecting new, first ask about saving (if changes), then clear text and filename
11. Change font of selected text: Uses the Font Dialog to select font
12. Change color of selected text: Uses the Color Dialog to select color of selected text
13. Using clipboard to copy, cut and paste: Code implements copy, cut and paste using the clipboard
14. Using a context menu to copy, cut and paste: A context menu is a pop-up menu that appears on right click
15. Finishing touches: Finishing touches include adding icon, about box, and removing unused menu items

Glossary for richtext lesson
Full Glossary