Difference between revisions of "Lua:Class:CheckBox"

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Revision as of 18:22, 13 April 2012

CheckBox Class (Inheritance ButtonControl->WinControl->Control->Component->Object) The Checkbox is a visual component that lets the user click it and change state between checked, unchecked, and if possible, grayed


createCheckBox(owner) Creates a CheckBox class object which belongs to the given owner. Owner can be any object inherited from WinControl


checkbox_getAllowGrayed(CheckBox) Gets the AllowGrayed property


checkbox_setAllowGrayed(CheckBox, boolean) Sets the AllowGrayed property


checkbox_getState(checkbox) Gets the current state of the checkbox

 0=Unchecked
 1=Checked
 2=Grayed


checkbox_setState(checkbox, state) Sets the state of the checkbox

 0=Unchecked
 1=Checked
 2=Grayed


checkbox_onChange(checkbox, function) Sets an OnChange event for the checkbox that gets triggered when the state has been changed (by the user of programatically)

 function (sender)


Example:

local form = createForm( true );

local checkBoxes = {}; checkBoxes[1] = createCheckBox( form ); checkBoxes[2] = createCheckBox( form ); checkBoxes[3] = createCheckBox( form ); checkBoxes[4] = createCheckBox( form ); checkBoxes[5] = createCheckBox( form );

for x = 1, #checkBoxes do

   control_setCaption( checkBoxes[x], "This is checkbox " .. tostring( x ) );
   control_setPosition( checkBoxes[x], 10, x * 20 )

end checkbox_setState(checkboxes[1], 0) -- Sets checkboxes[1] to unchecked state. checkbox_setState(checkboxes[2], 1) -- Sets checkboxes[2] to checked state. checkbox_setState(checkboxes[3], 2) -- checkboxes[3] is grayed out.

if checkbox_getState(checkboxes[4]) then -- if checkboxes[4] is checked then the function returns true otherwise false.

  print "true"

else

  print "false"

end