[Demo] Plain-text checkboxes

[Sergey Tkachenko]

This demo shows how to implement checkboxes in TRichViewEdit using plain text.
No controls or images are used inside the editor in this demo: check marks are implemented as Unicode characters. Checkboxes are implemented as hyperlinks.

TextCheckBoxes.zip

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This demo has methods:

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    // gets the checkbox value
    function GetCheckBoxValue(const CheckBoxName: String): Boolean;
    // sets the checkbox value
    procedure SetCheckBoxValue(const CheckBoxName: String; Value: Boolean);
    // occurs when a checkbox is clicked
    procedure CheckBoxClickInEditor(const CheckBoxName: String; Checked: Boolean);

It shoes how to synchronize checkboxes in the editor and a group of TCheckBox controls.

[Sergey Tkachenko]

This document can be stored not only in RVF but also in RTF.
Only one additional setting is needed to make checkboxes work after reloading from RTF: RichViewEdit1.RTFReadProperties.BasePathLinks = False. With this settings, hyperlink targets are saved and loaded as they are.