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| __NOTOC__
| | #REDIRECT [[IUP/Controls/IupRadio]] |
| __NOEDITSECTION__
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| :Creates the radio element for grouping mutual exclusive toggles. Only one of its descendet toggles will be active at a time. The toggles can be at any composion.
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| ===Creation===
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| :iup.radio{'''element''': ihandle} -> ('''elem''': ihandle)
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| :'''element''': Identifier of an interface element. Usually it is a vbox or an hbox containing the toggles associated to the radio.
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| :This function returns the identifier of the created radio, or nil if an error occurs.
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| ===Attributes===
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| :'''VALUE''': Identifier of the active toggle. <!-- The identifier is set by means of IupSetHandle.-->
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| ===Examples===
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| <source lang=lua>
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| -- IupRadio Example in IupLua
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| -- Creates a dialog for the user to select his/her gender.
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| -- In this case, the radio element is essential to prevent the user from
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| -- selecting both options.
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| male = iup.toggle{title="Male"}
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| female = iup.toggle{title="Female"}
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| exclusive = iup.radio
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| {
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| iup.vbox
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| {
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| male,
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| female
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| };
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| value=female,
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| tip="Two state button - Exclusive - RADIO"
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| }
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| frame = iup.frame{exclusive; title="Gender"}
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| dialog = iup.dialog
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| {
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| iup.hbox
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| {
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| iup.fill{},
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| frame,
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| iup.fill{}
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| };
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| title="IupRadio",
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| size=140,
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| resize="NO",
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| minbox="NO",
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| maxbox="NO"
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| }
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| dialog:show()
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| </source>
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