Visual C# CheckBox Usage

Example of Using CheckBox

In Visual C# applications, we can easily detect whether the checkbox object is checked or not. For this, it will be sufficient to use an if structure like the following.

if (checkBox1.Checked == true)
{
    ...
}
else
{
    ...
}

Since the Checked property will return a bool type result (either true or false), we can also use the expression as follows.

if (checkBox1.Checked)
{
    ...
}
else
{
    ...
}

Example: Suppose we have two checkboxes named CheckBox1 and CheckBox2. If both checkboxes are checked, we can enable the button as follows.

if (checkBox1.Checked && checkBox2.Checked)
{
    // done if both boxes are checked
    button1.Enabled = True;
}
else
{
    // done if one or both of the boxes are unchecked
    button1.Enabled = False;
}

 

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