Purpose
Extends the class CheckBox of CA-Visual Objects with new properties.
Class
bCheckBox
Properties
| Value | (Access / Assign) | 
Inherits From
CheckBox
Inherited By
<No descendants>
Description
The class makes the drawing and reading possible of 3-State-CkeckBox-Controls. 3-State-CheckBox-Controls can take altogether the three following values:
| Value | Description | 
| BST_CHECKED | The Control is checked. | 
| BST_INDETERMINATE | The Control is indeterminate. | 
| BST_UNCHECKED | The Control is unchecked. | 
In a 3-State-CheckBox either the windows style BS_AUTO3STATE or BS_3STATE must be set.
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