Indicates whether all selected components have the same value for the property.
function AllEqual: Boolean; virtual;
virtual __fastcall Boolean AllEqual();
The Object Inspector calls AllEqual when there is more than one component selected to determine whether a value should appear for this property. If this method returns true, the Object Inspector displays a value for the property. If this method returns false, the line for the property in the Object Inspector remains blank.
In TPropertyEditor, AllEqual always returns false if more than one selected component has the associated property. Override this method to check the properties of individual components and determine whether a property value can be displayed in the Object Inspector.
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