*`"MultipleSelection"` (string): allow multiple selection in choices. The string indicates the initial selection pattern, e.g. `"1001111"`
*`"MultipleSelection"` (string): allow multiple selection in choices. The string indicates the initial selection pattern, e.g. `"1001111"`
*`"Macro"` (string): if the string is `"Action"`, trigger a ONELAB "check" event with the ONELAB parameter `"ONELAB/Action"` set to the value of the parameter; if the string is `"GmshMergeFile"`, trigger Gmsh to merge the file with name given by the value of the parameter; if the string is `"GmshParseString"`, trigger Gmsh to parse the string given by the value of the parameter
*`"Macro"` (string): if the string is `"Action"`, trigger a ONELAB "check" event with the ONELAB parameter `"ONELAB/Action"` set to the value of the parameter; if the string is `"GmshMergeFile"`, trigger Gmsh to merge the file with name given by the value of the parameter; if the string is `"GmshParseString"`, trigger Gmsh to parse the string given by the value of the parameter
*`"Aspect"` (string): if the string is `"Button"`, display the widget as a "3D" button instead of the standard text