void initialize(MemoryBlock newBlock) {
		this.block = newBlock;
		length = newBlock.getSize();
		startAddr = newBlock.getStart();
		endAddr = newBlock.getEnd();
		blockStart = startAddr;
		message = "";
		listener.stateChanged(null);
	}
Initialize this model using the given block.
@param newBlock block that will be expanded
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/memory/ExpandBlockModel.java